无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp，上传完成后会在上方生成预览，用鼠标连续双击缩略图，或拖动缩略图，该图片就被绑定至本题，显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片，绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习：Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 396，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autodiscover.5edu.win/test396.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: admin    总分: 46分  得分: _____________

答题人: 游客未登录  开始时间: 24年04月05日 22:23  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.01: Starting from regcc.4ff8 e)ef st, object 1 falls freely for 4.0 seconds, and object 2 falls freely for 8.0 seconds. Compared to object 1, objefef4cf8g e).cct 2 falls:

参考答案:    
标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.02: A car starts from rest and uniformly accelerates to a finalev :h-meuu) lncj m0d.(q6i (p speed of 20.0 m/s in a time of 15.0 s. How fard)m0p (-u c(i 6jl:quv.ehmne does the car travel during this time?

参考答案:    
标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.03: A ball is thrown off a high cliff with no horizontal velocq e3d.gc/rv8l /rha f:ity. It lands 6.0 s later with a velocity of 40 m/s. What was the initial velocity of the ball.crdlrahefvg 8: /q/3 ?

参考答案:    
标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.27: A rocket near the surface of txr ,1x5ubg1r khe earth is accelerating vertically upward at g 5xbux,r k1r1$10\;m/s^2$. The rocket releases an instrument package. Immediately after release the acceleration of the instrument package is:

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.13: A freely falling body is found to be moving downwards at 27 ms9*ovzjebhfprt r;0t/.x(2z /s at one instant. If it continues to fall, one second later the object would b *b z9;(t/tvr je0 fx2orz.sphe moving with a downward velocity closest to:

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.39: A car starts from rest and a(y03bbu pw 0x/ 4f3hsixu f0pyyvjz(0ccelerates at $0.80\;m/s^2$ for 10 s. It then continues at constant velocity. Twenty seconds (20 s) after it began to move, the car has:

参考答案:    
标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.17: A ball which is droppe f(k(s7l+k/lp ujn+t;t j lj*ud from the top of a building strikes the ground with a speed of 30 m/s. Assume air resistance can be ignored. The height of the building is apk++fjt/usn ;(* u(kjj7 tplllproximately:

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.09: At a certain time, an object in free fall has velocity 4.0 m/s in t0c-k u)1*wvj saisux 2he upward direction. What is the approximate velocity of the object one second l u)-c kxv2au10 iswj*sater?

参考答案:    
标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.14: How long must a a -lwr-z*ovyk9n+9iri.. f7zq+jstv $2.5\;m/s^2$ acceleration act to change the velocity of a 2.0 kg object by 3.0 m/s?

参考答案:    
标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.15: A freely falling object is found to be moving downward at 5nin8k*25wxi1 r +qjspkrll. 18 m/s. If it cont k5rj klwx2sqinlp8i*n r51.+inues to fall, two seconds later the object would be moving with a speed of

参考答案:    
标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.02: A small object is released from rest and falls freely fotp *(i yyyofjnb55 .*sr 4.00 s until reaching the ground. Wha oitn55yp b(fy*syj*.t was the height above the ground from which the object was released?

参考答案:    
标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.06: A ball of mass =0.100 kg is launched straight upward so that it rises t suys0by8(k h-xoxr-x+vux9w (7b6bvo a maximum height of 12.0 m above the launch point. Ignore air resistance. When the ball reaches its maximum height, which one of the following choices best represents the magnitude of the net fo-x8xb +b 6x v7 wur y-vh9sbxyk((0ousrce acting on the ball?
D 10.0 N
E 12.0 N

参考答案:    
标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.07: A ball of mass =0.100 kg is launched straight upward so that it rises-3l e99j*h 0nccw w, 4jkgv:dyrr3 thu to a maximum height of 12.0 m above the launch point. Ignore air resistance. Approximately how much time does it take the ball to reach the maximumh0jr9vhjl 3 ,9ngcw 3:y-te*k4 r cduw height from its launch?

参考答案:    
标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.31: An object sliding down an inclined plane has n4 nw d2.qif3 6r7mpozspeed 0.40 m/s two seconds after it begins to slide. Approximately how far does it travel in three sec 6fi4m3r7 pz onq2.dnwonds?

参考答案:    
标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.40: Coin I is thrownl/0ar6 xnr0lhxuy)q- upward from the top of a 100-m tower with a speed of 15 m/s. Coin II is dropped)60hrnxqylx/ -u lr a0 (zero initial speed) from the top of the tower 2.0 s later. Assume g is $10 \; m/s^2$. How far below the top of the tower does coin I pass coin II?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.04: If a ball is thrown directly upwards wit 7-.6 ootn8rizk/bsgqh twice the initial speed of another, how much higher will it be at itsgr.7i/ -o8q6ostnb zk apex?

参考答案:    
标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.30: A box falls to the ground from a d5wkc1d5+gg zqdn h 995lmwyw:elivery truck traveling at 30 m/s. After hitting the romwy+9lh9q5g1wc 55z nddk:g wad, it slides 45 meters to rest. How long does it take the box to come to rest?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.29: An object is a5 q(c8 wfn:(i 5tk sszp2ma+cthrown upwards with a velocity of 30 m/s near the surface of the earth. After two seconds whafs+2:mwn 55aai tc( p8cszk (qt would be the direction of the displacement, velocity and acceleration?
displacement velocity acceleration

参考答案:    
标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.10: Three stones of different mass (1m, 2m& 3m) are thrown vertically upward 2fdz*50 csaf9at*dbq z)8sls mer 0e4with different velocities (1v, 2v& 3v respectively). 2s8qram4e)dszc0f5be*a l9s fd 0t*zThe diagram indicates the mass and velocity of each stone. Rank from high to low the maximum height of each stone. Assume air resistance is negligible.


参考答案:    
标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.25: Two point objects are lyr u9j9aweu ofb,c;4-c 9j wi3aunched straight upward with identical linear momentum. Object 1 has mass M and reaches a maximum height H above the launch pobyo ie;cj3j4 -u u,afw99cr9wint. If object 2 has mass 2M, what is its maximum attained height above the launch point in terms of H ?


参考答案:    
标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.28: A rubber ball bounces on xy;b)4yy9p0d (ohq fvthe ground as shown. After each bounce, the ball reaches one-half the hyqpy b(vf) o0x 9yd4;height of the bounce before it. If the time the ball was in the air between the first and second bounce was 1 second, what would be the time between the second and third bounce?

参考答案:    
标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.21: At 1.94 s after launch, a projgy9k2d iahy42qk s; 6a+h0chrectile in free fall achieved its minimum speerih9 +26 ;gdaahkqk0h2ysy4c d during flight. If that minimum speed was 15.0 m/s, what was the projectile’s initial angle of launch from the horizontal?

参考答案:    
标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.02: A pebble is dropped from a high sd-jf6s tilss/y- 6 no1w.)xh vertical cliff. The collision of the pebble with the ground below is seen 1.50 seconds after the pebble is dropped-xssyt- ) 6ni6s/. ow sfjld1h. With what speed did the pebble hit the ground? Ignore air resistance.

参考答案:    
标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.03: Three students were arguing about the height of a parking garage. One s v6ytxg i xcsmvz81-05tudent suggested that to determine the height of the garage, they simply had to drop tennxtg1 zci0-vs x6y5vm8is balls from the top and time the fall of the tennis balls. If the time for the ball to fall was 1.4 seconds, approximately how tall is the parking garage?

参考答案:    
标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.07: A snail is moving along a straight line. Its initial position is , /-fdpdg ncsx4f+ cmde :*3)gou;xhdx0 = -5 meters and it is moving away from the origin and slowing down. In this coordinate system, the signs of the initial position, initial velocity and a3m h, xpdgddc /s+cex-:; n4gfuf* do)cceleration, respectively, are

参考答案:    
标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.38: A small point-like object i w xdkze)*fz/vpk;wsa- c/2: xs pulled downwards by gravity (down the plane of the page) but is constrained to exactly follow each of the frictionless pathways shown. Rank these three paths from shortest to longest in terms of the amount of time (T) necessary for the object to be released from rest at point A and travel to point B. Assume that in changing direction that da /vw -s/e;2z:fwc*k )pxzk xthere is no loss of energy and that it takes negligible time.


参考答案:    
标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.13: A rock is dropped from the top of a tall tower. Hlu(+-a9a cjvualf a second later another rlu9au j (v-a+cock, twice as massive as the first, is dropped. Ignoring air resistance,

参考答案:    
标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.18: A cart is initially moving at 0.5 m/s along a trae :+p 6:mb)8az3mtx ua,xigtwck. The cart comes to rest after traveling 1 m. The experiment is repeated on the same track, but now the cart isiw+, mpz ):eg:xta6 8bu3tax m initially moving at 1 m/s. How far does the cart travel before coming to rest?

参考答案:    
标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.11: A cart is initially moving at 0.5 m/s along a track. The cart comes to . r2)fsx9al42u jy uaurest after traveling 1 m. The experiment is repeated on the same track, but now the cart is initially moving at 1 m/s. How fauyla2 4. rasjx9ufu2) r does the cart travel before coming to rest?

参考答案:    
标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.03: A dog starts from rest and runs in a strasjhk1, x4*ny t7n9xx kight line with a constant accelerajks 1 htn9nxk7,y4xx *tion of 2$.5\;m/s^2$. How much time does it take for the dog to run a distance of $10\;m$?

参考答案:    
标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.29: A ball initially at rest falls without air resistance from a-z4wa( ogdm *;n5tf a cnw5(uk height h above the ground. If the ball falls the first distance 0.5h in amtwo(n 5wa5*gnkdu ; f( 4c-za time t, how much time is required to fall the remaining distance of 0.5h?

参考答案:    
标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.38: Two objects both move and lb 5p(6lz cfm/3*webauniformly accelerate to the right. At time t=0,the objects are at the same initial position. Object 1 has initial speed twice that of Object 2; Object 1 has one-half the acceleration of Object 2. After some time T, the velocity of the two objects is the same. What is the ratio of the distance traveled in this time T by Obje lb/53mlfa6 (eb w*zpcct 2 to that traveled by Object 1?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.26: An object is thrown horizontally with speed 10.0 m/s: mxh4j 0llr91: obe90tgx pnr from a height H above the ground. The object reaches the ground with a speed of 20.0 m/s. Which one of the following choices b :0jtrl9np9bheo4 0gr :x mx1lest represents the time of the object’s flight to the ground? Ignore air resistance.

参考答案:    
标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.10: An object is thrown straight upward. The ik9bplm044/ + plern oobject remains in free fall until it returns to its initial launch point. Which one of the following graphs 0lon+4krei4 lpm9p b/could represent the velocity of the object as a function of time during its flight?


参考答案:    
标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.03: An object is dropped into free fall. 9uzrv3 kj*pzhz6 :e ohm)7 z)egx0 l5nThrough how many meters does the object fall duri0egu:jkop ez*h n6z5 x3vmlz)hz r79)ng the first 3.00 seconds of flight?

参考答案:    
标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.02: A box uniformly slides 7.50 m to rest across a -mb.rzw6e-o4yur ; fvgix( 1hflat surface in a time of 12.0 s. What was the initial speed of the box when itu-he 6fy(4zow bxv.1img- ;rr started its slide?

参考答案:    
标记此题
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.07: Starting from rest, a cart uniformlw /lk/fd*ln 7(r;r o3po.qi ycy accelerates to a speed of 7.60 m/s in aq/l fkrni7 lr*./;wp oc3y(do time of 3.00 s. Through what distance does the cart move in this time?

参考答案:    
标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.16: A toy car initially moves to the right at 60.0 cm/s. /,3g.kj .hn8bfbc l-e 0-j.ot uau tvvFive seconds later, the car is moving at 40.0 cm/s to the left. The total displacement of the car during this time is 10.0 cm to the left of where it started. Which one of the fo0n,ec/t3kub..jhb t u f-v jlg. 8-vaollowing choices best represents the magnitude of the average velocity of the car during the five second motion?

参考答案:    
标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.17: A toy car initially moves to the right at 60.044;i+j+ boc 5i 1pzzynv bflv* cm/s. Five seconds later, the car is moving at 40.0 cm/s to the left. The total displacement of the car during this time is 10.0 cm to the left of where it started. Which one zo i15 ;nvbz 4v+ylipc*+fj4bof the following choices best represents the magnitude of the average acceleration of the car during the five second motion?

参考答案:    
标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.33: An object moves with constant acceleration st:z70s9g.l xp )wq6n2f xa c-p/vn wdlrarting with velocity $v_0 = 5.00\;m/s$ and ending with a velocity of $v = -1.00\;m/s$ in a time of 3.00 s. For this motion, what is the average speed associated with the object?

参考答案:    
标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.05: An object initially is moving upward while in frvg mkic1 5b;0ju-c7ffee fall. Which one of the following choices best represents the direction of the object’s acceler7ccj5m v-bf 1;fki u0gation during its flight?


参考答案:    
标记此题
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.26: An object moving only to the right completes mkw*oxn 1 n ev8h5j9t-a 20.0 second trip in two stages, I and II. The average speed of the entire trip is 10.0 m/s. Ft91e j*hox -5k8 nwvmnor stage I, the object moves with a constant velocity of 6.0 m/s for 12.0 seconds. What constant acceleration must the object have during the 8.0 seconds of stage II?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.32: An object moving along a line c) 1/a1 9tgvn bclvilb,ompletes a 20.0 second trip with an average speed of 10.0 m/s in two stages. During stage 1, the object moves with a constant velocity of 6.0 m/s to the right for 12.0 seconds. What constant magnitude acceleration directed to the left must the object ha1,vb v19)gci l/tabl nve during the 8.0 seconds of stage 2?

参考答案:    
标记此题
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.33: At the top of a high cliff, a small rock is dropped from rest. (wq(37 s1 1yb1y ntkwx yj9rqmA ball is launched straight downward with an initial speed of 36 m/s at a time 2.10 s after the rock was dropped. When the ball has fallen 28.0 m furtwy7j1 qnykrb3ym( t1wq1 x9s( her than the initially dropped rock, what is the speed of the ball relative to the rock?

参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.36: On a straight road, a self-driving car racevm.*kg: d9nbl s with a robot. The robot accelerates atnvkdlb.*g9 : m $8.50\;m/s^2$ until reaching its maximum constant speed of 15.0 m/s. The car accelerates at $5.60\;m/s^2$ until reaching its maximum constant speed of 25.0 m/s. The car and robot start from rest from the same location. What is the maximum distance that the robot leads the car during the race?

参考答案:    
标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.44: A ball is launched vertically u,d09 cy6y):g xyl- o 4nstqr69pb-)lsbkhcklpward. The vertical position of the ball 0.70 s after release is thed9ntlobc6slrs-,x qlphy 69k gk0)y 4b cy:)- same as its vertical position 4.10 s after its release. At what time is the object first at a vertical position that is one-half of the maximum height it obtains during its flight?

参考答案:    
  • 姓名:游客(未登录)
    •
    总分:46分 及格:27.6分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题，此次习题练习共有 46 道题
    本平台(https://autodiscover.5edu.win/)支持练习，作业与考试(自动评分)三种模式，群组成绩统计排序导出，题目动态变量实现同卷千人千题。
    如果您对本系统感兴趣，想加入我们或者想进行任何形式的合作，请加微信 skysky1258

    试卷内容到此结束!   © 2026 无忧得胜-网上国际课程 (https://5edu.win)版权所有

    浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

    GMT+8, 2026-3-27 10:35 , Processed in 0.665121 second(s), 122 queries , Redis On.