Multiple Choice
A 0.30-m radius grinding wheel starts at rest and develops an angular speed of 20 rad/s in 5 s.What is the average tangential acceleration of a point on the wheel's edge?
A) 6 m/s2
B) 1.2 m/s2
C) 66.7 m/s2
D) 2.4 m/s2
E) 100 m/s2
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q32: A 8.4-kg mass is placed at (4.0,5.0)m.Where
Q33: An object consists of a rod (of
Q34: A ventilation fan has blades 0.20 m
Q35: A Ferris wheel,rotating initially at an angular
Q36: A bucket in an old well is
Q38: 1700 rev/min is equivalent to which of
Q39: A fan blade,initially at rest,rotates with a
Q40: A bank vault is opened by applying
Q41: A circular disk is rotating about a
Q42: Suppose a car has a 100,000 mile