A $2.60 \mathrm{~kg}$ Mass Is Moving in a Circular Path with a Constant

Multiple Choice

A $2.60 \mathrm{~kg}$ mass is moving in a circular path with a constant angular speed of $5.50 \mathrm{rad} / \mathrm{sec}$ and with a linear speed of $3.50 \mathrm{~m} / \mathrm{s}$ . The magnitude of the radial force on the mass is

A) $50.1 \mathrm{~N}$ .
B) $66.7 \mathrm{~N}$ .
C) $30.4 \mathrm{~N}$ .
D) $40.5 \mathrm{~N}$ .
E) $60.5 \mathrm{~N}$ .