Multiple Choice
A disk (radius = 8.0 cm) that rotates about a fixed axis starts from rest and accelerates at a constant rate to an angular velocity of 4.0 rad/s in 2.0 s. What is the magnitude of the total linear acceleration of a point on the rim of the disk at the instant when the angular velocity of the disk is 1.5 rad/s?
A) 24 cm/s2
B) 16 cm/s2
C) 18 cm/s2
D) 34 cm/s2
E) 44 cm/s2
Correct Answer:
Verified
Correct Answer:
Verified
Q18: A horizontal force of magnitude 6.5 N
Q19: A wheel (radius = 12 cm) is
Q20: A wheel rotating about a fixed axis
Q21: Two forces of magnitude 50 N, as
Q22: Particles (mass of each = 0.20 kg)
Q24: A wheel rotates about a fixed axis
Q25: A nonuniform 2.0-kg rod is 2.0 m
Q26: The figure below shows a graph of
Q27: When the sum of the external forces
Q28: Which of the following diagrams shows the