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marshall27 [118]
2 years ago
5

A crate slides off the back of a flatbed truck that accelerated forward from rest. If the bed of the truck is frictionless, the

crate falls off the back of the truck because
A. air friction pushes it backwards.
B. it moves forward with the truck but the truck goes too fast.
C. it is at rest and it tends to stay at rest.
D. it accelerates in the opposite direction of the truck.
Physics
1 answer:
jolli1 [7]2 years ago
5 0
The right answer should be B
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See the explanation below.

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slega [8]

*Graph is attached with the answer*

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So, we solved this question in 2 parts

Part 1:

               initial velocity = v₁ = 0 m/s

               final velocity = v₂ = 10 m/s

                time = t = 4 s

                acceleration = a = (v₂ - v₁)/t

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            s₂ = 20 m

Total distance = S = s₁ + s₂

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