Question

A 100 kg crate rest at the back of the bed of a pick up truck. The length of the crate is 1 m in the length of the bed is 4 m. There is no friction between the bed of the truck in the crate. If the truck is traveling at 25 m/s just before it hits the wall, how long before the crate hits the back of the pickup's cab? How would the answer change if the crates mass were 1000 kg?

Answer 1

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