At the start of his race, 86-kg Olympic 100m champion Usain Bolt pushes against the starting block, exerting an average force of 1700N. The force that the block exerts on his foot points 20 degrees above the horizontal. Determine his horizontal speed after the force is exerted for .32 seconds.

Question

anonymous · Answer

Do you have an idea about how to start?

anonymous · Answer

No

anonymous · Answer

Start by finding the horizontal component of the force exerted on Bolt's foot by the block.