Question #6426213Single Choice

Physics

Question

A 4.5 kg object is thrown vertically upward with an initial speed of 8 m/s. How much work does gravity do on the object when it reaches the highest point of its trajectory? (Take g = 10 m/s2)

Options

A
    144 J
B
    -144 J
C
    -288 J
D
    288 J

Answer & Analysis