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A car with a total mass of 1.43 103 kg has wheels of radius 29.0 cm and moment of inertia 0.885 kg · m2.
(a) Find the car's translational kinetic energy when the car is moving at a speed of 22.0 m/s.
(b) Find the car's rotational energy when the car is moving at a speed of 22.0 m/s.
An observer moving at a speed of 0.795 c relative to a rod (Fig. P26.14) measures its length to be 2.00 m, What is the proper length of the rod
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
A certain helium-neon laser pointer, emitting light with a wavelength of 632 nm, How many photons are emitted by the laser pointer
A camera has a lens with a focal length of 25.6 cm. how far from the film should the lens be placed
Consider the Earth and a cloud layer 600 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
The outside mirror on the passenger side of a car is convex and has a focal length of -7.7 m. Relative to this mirror, Find the image distance of the truck.
A 473g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.69m/s2, what was the strength of the force used to push the block to start with
A proton is released from rest in a uniform electric field of magnitude 421 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in..
The human eye can detect light intensities as small as about 8 10-23 W/m2. How does this force compare to the weight of an electron
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.60 m long conducting wire. estimate the tension in the wire.
Anemometers (pictured) are used to measure wind speeds. Wind striking the cups causes the assembly to rotate; a gauge measures the frequency of this rotation and translates the data into wind speed. calculate the number of turns in the coil wire
A horizontal 790-N merry-go-round of radius 1.20 m is started from rest by a constant horizontal force of 45 N, Find the kinetic energy of the merry-go-round after 5.0 s
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