A point on a wheel rotating at 5.00 rev/s is located 0.200 m from the axis. What is the centripetal acceleration?
198 m/s².
1.35 m/s².
48.0 m/s².
0.050 m/s².
A 0.50 kg mass is attached to the end of a 1.0-m string. The system is whirled in a horizontal circular path. If the maximum tension that the string can withstand is 350 N. What is the maximum speed of the mass if the string is not to break?
13 m/s.
19 m/s.
26 m/s.
700 m/s.