What are the units for angular momentum

What is the rotational inertia of a solid steel flywheel with a mass of 55kg and a radius of 6.9m

Superimposed sound waves of a similar frequency produce what effect?

Waves being produced by a source moving relative to an observer

A wheel with rot inertia of 1.5 Kgm^2 rotates at 115 rads^-1. Calculate the angular momentum.

Identify the direction we should take around a reference circle as time increases. What position should the phasor indicate at t=0 if starting at equilibrium?

A 200kg car travelling at 17ms-1 rounds a corner (r=16m). What force is needed to keep the car following a circular path 16m from the centre?

What do we call the effect that produces areas of high and low amplitude when waves interact?

How does apparent wavelength change when a source is moving rapidly away from an observer?

A person hearing sound waves of 402Hz and 404Hz would notice an undulation in volume. How many times per second would the sound be loudest?

When is angular momentum Not conserved?

State both of the conditions necessary for SHM

Aidan is rolling down the hill at 1200 RPM (2sf). His rotational inertia is 7.35 Kgm^2. What is his rotational kinetic energy?

A diffraction grating had its slit separation decreased. Explain what change would be observed in the fringe pattern.

What happens to apparent frequency when an observer moves rapidly towards a source?

What is the wavelength of the fundamental in a 1.6 m tube with a single closed end?

When an external torque is applied

Force acts towards equilibrium OR acceleration and displacement are proportional (and opposite in direction)

According to x=n(lambda)l/d the fringes would be further apart

How fast would a roller coaster cart need to be traveling in order for the passengers to feel weightless at the top of a loop. Radius of 15.0m

Playing on a playground swing, Oliver maintains the period of oscillation at 4.20s by swinging his legs back and forth. The amplitude is 1.65m and Oliver has a mass of 75.0kg. Assuming this is SHM, what is Oliver's maximum velocity on the swing?

A cars flywheel accerlerates from rest to 250 rad/s (2sf), if the flywheel completed 25 full rotations what was it's angular acceleration?

What value of path difference would produce a third minima?

A remote controlled car produces a sound of frequency 320 Hz. If it was travelling towards you at 15ms-1 what frequency would you hear?

What is the frequency of the fundamental in a 30 cm (2sf) open pipe?

A car (4905N) travels at a constant 50.0 km/h. Liam (87Kg) steps in front of it and flees down the road, covering 100.0 m in 16 seconds. Calculate the combined momentum of the car and Liam

A spring with a 45.0kg load undergoes SHM. The amplitude is 0.19m and the period is 1.42 seconds. Calculate the spring constant and maximum amount of energy stored in the spring.

Uranus (4.64x10^23Kg) has a period of rotation of 8.23x10^6 seconds. What distance would a geostationary satellite be from the centre of Uranus?

Twin speakers placed 1.25m apart play a tone of 2.50 kHz simultaneously. An observer stands 20.0m away at the central order maxima. How far would they have to walk (without getting closer to the speakers) to reach the 2nd order maxima? Assume the speed of sound is 340 ms-1

A car produces a sound of frequency 640 Hz. If it travels towards Aidan at 22 ms-1, and Aidan was running towards it at 8.0 ms-1, what frequency would he hear?

What is the frequency of the 3rd Harmonic in a 1.6m tube with a single closed end?

4.46m (half points if used dx/L => 4.35m as angle is too large)