Multiple Choice
A 0.40-kg object,attached to a spring with spring constant k = 10 N/m,is moving on a horizontal,frictionless surface in simple harmonic motion of amplitude of 0.080 m.What is its speed at the instant when its displacement is 0.040 m? (Hint: Use conservation of energy. )
A) 17 m/s
B) 35 cm/s
C) 3.5 cm/s
D) 6.9 cm/s
Correct Answer:

Verified
Correct Answer:
Verified
Q32: I attach a 2.0-kg block to a
Q33: A mass of 0.40 kg,hanging from a
Q34: The motion of a piston in an
Q35: Four identical springs each have the same
Q36: A mass on a spring vibrates in
Q38: A 0.20-kg mass is oscillating on a
Q39: The oxygen molecule (O<sub>2</sub>)may be regarded as
Q40: A 0.20-kg block rests on a frictionless,level
Q41: A car with bad shocks bounces up
Q42: Doubling the weight suspended vertically from a