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In a gutball tournament against people half his age, a physics professor threw his 0.4-kg soccer ball at a kid throwing a 0.6-kg basketball. The balls collided in midair (see the figure), and the basketball flew off with an energy of 92.8 J at an angle θ = 29.9 degree relative to its initial path. Before the collision, the energy of the soccer ball was 100 J and the energy of the basketball was 112 J. At what angle and speed did the soccer ball move away from the collision?
Two 24 cm focal-length converging lenses are placed 16.50 cm apart. An object is placed 39.0 cm in front of one. Where would the final image formed by the second lens be located.
A 63.5-kg runner has a speed of 5.80 m/s at one instant during a long-distance event. If he doubles his speed to reach the finish line, by what factor does his kinetic energy change
A particle is trapped in a potential well described by U(x) = 1.5 x2-b, where U is in joules, x is in meters, and b = 3.5 Joule. Determine what is the force on the particle when it is at x=2.3 meter
you are traveling in a convertible with the top down. the car is moving at a constant velocity 25.5 ms due east along
q1. what do superstring theories try to elucidate?a. forces holding super clusters of galaxies togetherb. behaviour of
A meteoroid is speeding throughout the atmosphere, travelling east at 16.80 km/s while descending at 13.60 km/s. What is its speed in km/s.
The tires of a 1500 kilogram car are 0.600 meter in diameter and the coefficients of friction with the road surface are µs = 0.800 and µk = 0.600. Find the normal force that must be applied to the rotor such that the car slows as quickly as possib..
You throw a ball vertically upward from the edge of the roof of the Bisdorf building with a speed 15.0 m/s. Find the position and velocity of the ball 1.00 s after leaving your hand
an electric dipole consisting of charges of magnitude 1.90 nc separated by 8.80 microm is in an electric field of
In the following figure, determine the direction of the current in resistor ab: As switch S is closed and As coil B is moved away from coil A with the switch closed;
a charge of -1.0nbspmicroc is located at the origin a second charge of 4.2nbspmicroc is located atxnbsp 0nbspynbsp 0.1
in the game of baseball the catcher uses his fingers to send a sign to the pitcher telling what pitch to throw next.
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