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A car with a total mass of 1.78 103 kg has wheels of radius 31.0 cm and moment of inertia 0.805 kg · m2.
(a) Find the car's translational kinetic energy when the car is moving at a speed of 22.5 m/s.
(b) Find the car's rotational energy when the car is moving at a speed of 22.5 m/s.
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 at a distance of 55 from the source. At what rate did energy pass through an area of 3.0 at 1.0
Light of wavelength 550nm in air is found to travel at 1.96*10^8 m/s in a certain liquid. Determine the wavelength of the light in the liquid
In one of the original Doppler experiments, a tuba was played at a frequency of 92.0Hz on a moving flat train car, What beat frequency was heard in the station if the train car approached the station at a speed of 7.00m/s
A 2.3 box, starting from rest, is pushed up a ramp by a 10 force parallel to the ramp. The ramp is 2.0long and tilted at 17 . The speed of the box at the top of the ramp is 0.80 .
You are given a slide with two slits cut into it and asked how far apart the slits are. What is the separation of the two slits
A circular parallel-plate capacitor with a spacing of 3.2 mm is charged to produce a uniform electric field with strength of 1.50 multiplied by 106 N/C. What plate radius is required if the stored charge is -15.6 µC.
A 1.8-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 88 N, how much does its length change
A 1.2 kg mass attached to a spring oscillates with amplitude of 6.3 cm and a frequency of 1.1 Hz. What is its energy of motion.
It is 150 cm from your eyes to your toes. You are standing 196 cm in front of a tall mirror. How far is it from your eyes to the image of your toes.
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
A 63.0kg skier is moving at 6.55m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.55m long. How fast is the skier moving when she gets to the bottom of the hill
A 3.0 m long rigid beam with a mass of 120 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Explain by how much upward force does each support exert on the beam?
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