Which of the following expressions correctly represents the kinetic energy of a body…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Which of the following expressions correctly represents the kinetic energy

K

of a body of mass

m

moving with speed

v

? (a)

K = \dfrac{2}{3} m v^{2}

(b)

K = \dfrac{1}{2} m v^{2}

(c)

K = m v^{2}

(d)

K = \dfrac{3}{4} m v^{2}