Simple harmonic motion (SHM) is defined as motion where acceleration is:
AConstant in magnitude and direction
BProportional to displacement and directed toward equilibrium
CInversely proportional to velocity
DZero at all times
Question 2
The time period of a spring-mass system depends on:
AAmplitude of oscillation
BMass of the body and spring constant (T = 2π√(m/k))
CLength of the spring only
DThe gravitational acceleration g
Question 3
The speed of sound in air at 0°C is approximately:
A220 m/s
B331 m/s
C500 m/s
D3 × 10⁸ m/s
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