Multiple Choice
A mass of 4.5 kg,resting on a horizontal frictionless surface,is attached on the right to a horizontal spring with spring constant 29 N/m and on the left to a horizontal spring with spring constant 60 N/m.If this system is moved from equilibrium,what is the effective spring constant?
A) -31 N/m
B) 31 N/m
C) 89 N/m
D) -89 N/m
E) 16 N/m
Correct Answer:
Verified
Correct Answer:
Verified
Q63: A 0.38-kg block rests on a level
Q64: A large spring requires a force of
Q65: A mass on a spring vibrates in
Q66: Suppose a 0.74-kg mass on a spring
Q67: For a mass suspended on a spring
Q69: Spring #1 has spring constant 61.0 N/m.Spring
Q70: If the speed of a wave on
Q71: Equal-wavelength waves of amplitude 0.27 m and
Q72: The kinetic energy of the bob on
Q73: If a long spring with spring constant