The car began to move at a speed of 20 m / s. Determine its speed and movement in 5 seconds, if the modulus of acceleration is 2 m / s.

univerkov | November 16, 2020 | education

Given: V0 = 20m / s a = 2 m / s ^ 2 t = 5c
Find: V, S
decision :
V = V0 + at
V = 20 + 2 * 5 = 30 m / s
S = V0t + at ^ 2/2
S = 20 * 5 + 2 * 25/2 = 125m

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