Asked by Joseph

A 400 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the required net force?
Answered by drwls
F = M a

Calculate the acceleration, a, from the relation
Vfinal = a t

Vfinal = 444 m/s (You need to convert km/h to m/s)
a = 444/2 = 222 m/s^2
Answered by Anonymous
88800N
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