a truck starts from rest and rolls down a hill with a constant acceleration . it travels a distance of 400 m in 20 s . find its acceleration
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Use equation of motion
S = ut + 0.5at²
400 m = (0 m/s × 20 s) + (0.5 × a × (20 s)²)
400 m = a × 200 s²
a = 2 m/s²
∴ Acceleration of truck is 2 m/s²
S = ut + 0.5at²
400 m = (0 m/s × 20 s) + (0.5 × a × (20 s)²)
400 m = a × 200 s²
a = 2 m/s²
∴ Acceleration of truck is 2 m/s²
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