A 2.3 k g object is moving to the right with a speed of 1.0 m / s when it experi

Question

A 2.3kg object is moving to the right with a speed of 1.0m/s when it experiences the force shown in the figure (a). What is the object's speed after the force ends?

A 2.3kg object is moving to the right with a speed of 1.0m/s when it experiences the force shown in the figure (b). What is the object's speed after the force ends?

A 2.3kg object is moving to the right with a speed of 1.0m/s when it experiences the force shown in the figure What is the object's speed after the force ends? A 2.3kg object is moving to the right with a speed of 1.0m/s when it experiences the force shown in the figure. What is the object's speed after the force ends?

Explanation / Answer

v = u+at

a = F/m

F = 2

a = 2/2.3

v = 1 + 2/2.3 * 1/2

v = 1.43 m/sex

b) = F = -2

a = -2/2.3

v = 1-2/2.3 * 1/2

v = 0.57 m/sec

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