waec model questions vol1 2017 physics
Essay • Question 5
Question 5
WAEC_MODEL_QUESTIONS_VOL1
•
2017
A block of mass 5 kg is placed on a frictionless inclined plane that makes an angle of 30° with the horizontal. The block is released from rest at the top of the incline, which is 4 m long. Calculate the following:
Question Parts
(
a
)
Determine the gravitational potential energy of the block at the top of the incline.
(
b
)
Calculate the speed of the block at the bottom of the incline just before it reaches the bottom.
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