Q.1.
a=−ω2xmcos⁡(ωt+ϕ)a=−ω2xm\cos(ωt+ϕ)a=−ω2xmcos(ωt+ϕ)  the aim of the above formula is to find?
Q.2.
x=xmcos⁡(ωt+ϕ)x=xm\cos(ωt+ϕ)x=xmcos(ωt+ϕ)  the aim of the above formula is to find?
Q.3.
ω=kmω=\sqrt{\frac{k}{m}}ω=mk​​  the aim of the above formula is to find?
Q.4.
T=2πmkT=2π\sqrt{\frac{m}{k}}T=2πkm​​  the aim of the above formula is to find?
Q.5.
The value of  xmxmxm   determines how far the particle moves in its oscillations and is called the amplitude of what?
Q.6.
F=−kxF=−kxF=−kx  for the force acting on the block, the formula can now relate the spring constant k (a measure of the stiffness of the spring) to the mass of the block and the resulting angular frequency of what formula?
Q.7.
A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates
Q.8.
Sound is an example of a
Q.9.
What is common with all electromagnetic and mechanical waves?
Q.10.
The number of wavelengths that pass a point each per second is:
Q.11.
A truck with bad shock absorbers bounces up and down after hitting a bump. The truck has a mass ofkg and is supported by four springs, each having a spring constant ofN/m. What is the period for each spring?
Q.12.
An object attached to one end of a spring makescomplete vibrations in 10s. Its period is:
Q.13.
A pair of trapeze performers at the circus is swinging from ropes attached to a large elevated platform. Suppose that the performers can be treated as a simple pendulum with a length ofm. Determine the period for one complete back and forth cycle.
Q.14.
An object is attached to a vertical spring and bobs up and down between points A and B.  Where is the object located when its kinetic energy is a maximum?
Q.15.
Which material does sound travel the fastest?