A collision in which kinetic energy is transferred only as kinetic energy from one object to another and is not converted in any
2 answers:
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Answer:
W = 600 J
Explanation:
We have,
According to attached figure,
Height of the inclined plane is 60 m
Force acting on the block is 10 N
It is required to find the work must be done against gravity to move it to the top of the incline. The work done is given by :
W = mgh
or
So, the work done against the gravity is 600 J.
Answer:
(a) Distance traveled = 75.3846 m
(b) Velocity of car at that instant will be 14 m/sec
Explanation:
We have given acceleration of the car
Initial velocity of the cart u = 0 m/sec
(a) According to second equation of motion we know that
So distance traveled by car
As the truck is moving with constant speed
So distance traveled by truck
As the truck overtakes the car
So
So distance traveled
(b) From second equation of motion we know that v = u+at
So v = 0+1.3×10.769 = 14 m /sec