A 1.0 kg object is moving to the right with a speed of 2.9 m/s when...

Question

Question

A 1.0 kg object is moving to the right with a speed of 2.9 m/s when it experiences the force shown in the figure.

F, (N t (s) 1.0 s

a.) What is the object's speed after the force ends?

b.) What is the object's direction after the force ends? To the Left or to the Right?

Answer 1

Answer #1

F_net = 2 N , m = 1.0 kg , v_i = 2.9 m/s

time = 1 s

f = m a , a = f / m

a = 2 / 1.0 = 2 m/s²

V_f = (a * s) + V_i

= (2 * 1) + 2.9

V_f = 4.9 m/s

Answer 2

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