Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
A railway truck of mass 4000 kg moving at 3 m/s collides with a stationary truck of mass 2000 kg. The couplings join and the trucks move off together. Calculate their common velocity after collision.
0
votes
975
views
asked
Jul 7, 2021
in
Physics Form 3
by
anonymous
A railway truck of mass 4000 kg moving at 3 m/s collides with a stationary truck of mass 2000 kg. The couplings join and the trucks move off together. Calculate their common velocity after collision.
linear motion
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Jul 7, 2021
by
anonymous
m
1
u
1
+ m
2
u
2
=(m
1
+ m
2
)
4000 x 3 + 0= 6000v
v= 2m/s
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
A car of mass 2000kg travelling at 5ms−1 collides with a minibus of mass 5000kg travelling in the opposite direction at 7ms−1. The vehicles stick and move together after collision. If the collision lasts for 0.1seconds;
asked
Aug 5, 2021
in
Physics Form 3
by
anony mous
linear motion
newton's law of motion
0
votes
1
answer
A train whose length is 60 metres is travelling at 40km/h in the same direction as a bus whose length is 20m.If the speed of bus is 80km/h and moving parallel to the train, calculate the time it takes the truck to overtake the train completely in seconds.
asked
Aug 13, 2021
in
Mathematics Form 2
by
anony mous
linear motion
time
0
votes
5
answers
A bullet of mass 10g travelling horizontally at a speed of 100ms-1 embeds itself in a block of wood of mass 900g suspended from a light in extensible string so that it can swing freely find A.the velocity of the bullet and block immediately after collision B.the height through which the block rises
asked
Aug 4, 2022
in
Physics Form 3
by
crookie
newtons law of motion
0
votes
1
answer
A bullet of mass 20g moving with a velocity of 30m/s penetrates a sand bag and is brought to rest in 0.05s. Find the average retarding force of the sand
asked
Aug 5, 2021
in
Physics Form 3
by
anony mous
newton's law of motion
0
votes
5
answers
A ball of mass 200g is thrown vertically upward with velocity os 5ms.The air resistance is 0.4N, determine the net force as the ball moves up,(take acceleration due to gravity=10ms)
asked
Sep 23, 2022
in
Physics Form 3
by
trippleN
linear motion
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(632)
English
(287)
Kiswahili
(559)
Chemistry
(663)
Physics
(604)
Physics Form 1
(307)
Physics Form 2
(129)
Physics Form 3
(91)
Physics Form 4
(76)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(379)
Computer Studies
(20)
Home Science
(60)
General Questions
(432)
6.4k
questions
9.6k
answers
6
comments
590
users
...