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A 90 Kg halfback running north with a speed of 10m/s is tackled bya 120 Kg opponent running south at 4m/s. The collision is perfectlyinelastic. Compute the velocity of the 2 players just after the tackle.
A bowling ball (mass = 7.2 kg, radius = 0.13 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated asuniform spheres
q1.a bat in a cave emits a sound pulse and receives an echo 0.22 second later. assuming that the speed of sound is 339
The driver of a 1250 kg car, initially traveling at 10.1 m/s, applies the brakes, bringing the car to rest in a distance of 25.0 m
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0.615 c. What is the velocity of the protons in the resting frame when the cannon is shot in the backward direction
Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds are shown to the right. how long does each ball take to reach the finish line
A telescope mirror has a radius of curvature of 18.0 m. What is the diameter of the image of the Moon produced by this mirror
A coil of four circular loops of radius 3.0cm carries a current of 5.0A clockwise, What is the magnetic field at the center of the coil
A ball of clay of mass m travels with velocity v in a path tangent to a disk of Radius R and mass M. What is the final angular speed of the clay and disk
two large parallel conducting plates are 12 cm apart and have charges of equal magnitude and opposite sign on their
A person is sitting on a freely spinning lab stool (no friction). is her angular velocity increasing or decreasing
Consider a single electron, with a mass of 9.1×10?31kg , subject to a single force equal to the weight of a penny, 2.5×10?2N
suppose we measure the resistance from one hand to the other and find it to be 2 kilo ohms. What is the resistivity of skin
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