Question

A 0.50 kg object travels from point A to point B. If the speed of the...

A 0.50 kg object travels from point A to point B. If the speed of the object at point A is 6.0 m/s and the kinetic energy at point B is 8.0 J, determine the following.

(a)

the kinetic energy (in J) of the object at point A

J

(b)

the speed (in m/s) of the object at point B

m/s


A man does 4,430 J of work in the process of pushing his 2.60  103 kg truck from rest to a speed of v, over a distance of 26.5 m. Neglecting friction between truck and road, determine the following.

(a)

the speed v (in m/s)

m/s

(b)

the horizontal force exerted on the truck (in N)

N

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