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What is the difference between the tangential acceleration and the radial acceleration of a point on a rotating object?
a sinusoidal wave traveling on a string is moving in the positive x-direction. the wave has a wavelength of 4m a
Assume that you are an observer located at a latitude of 40degrees north (on Earth). Draw a fully labeled diagram showing from your vantagepoint: What is the altitude or elevation of Polaris?
a 950 kg boat is traveling at 110 kmh when its engine is shut off. the magnitude of the frictional force fk between
Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. find the recoil velocity of the man relative to the ice
A group of hikers hears an echo 1.10 second after shouting. Find how far away is the mountain that reflected the sound wave
Two divers jump from a 5-m platform. One jumps upward at 1.90m/s , and the second steps off the platform as the first passes it on the way down. By how much does the first diver hit the water first (seconds)
What is the diffraction pattern of: a square array of dots? a rectangular array of dots? How do the orientations of the diffraction patterns relate tothe orientation of the array of dots?
A spaceship travels at a constant speed from earth to a planet orbiting another star. How far away is the planet, according to observers on earth
What is the linear speed of the phonograph needle
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.30 m/son a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 37.0 m/s and passes during the target, which is stopped with the impact. Wh..
A small sphere with mass 9.00 ?g and charge ?4.30?C is moving in a circular orbit around a stationary sphere that has charge +7.50?C. what is the radius of its orbit
The electric field midway between two equal but opposite point charges is 639 N/C, and the distance between the charges is 17.1 cm. What is the magnitude of the charge on each
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