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A golf ball strikes a hard, smooth floor at an angle of 29.0 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0106 kg, and its speed is 39.9 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the golf ball by the floor? (Hint: Note that only the vertical component of the ball's momentum changes during impact with the floor, and ignore the weight of the ball.)
a 2.1103 kg car starts from rest at the top of a driveway that is sloped at an angle of 20 degrees with the horizontal.
When a charge with q=2e moves under the influence of the electric force and an external force through a potential difference of -80V, The work done by the external force is
A screen is placed 1.20m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.40cm wide-that is, find the distance between the two second-order minima
A top spins at 28 rev/s about an axis that makes an angle of 33° with the vertical. The mass of the top is 0.44 kg, What is the precession rate
A solenoid is designed to produce a 2.74*10^-2T magnetic field near its center. what total length of wire is required to make this solenoid
A long straight wire carries a 40.0 A current in the +x direction. What is the force on the electron at this instant
A cube of iron, of side length 14cm, is heated from 10?C to 90?C; Calculate the total work done ON the cube and the change in internal energy of the cube
If the kinetic energy density of a fluid decreases along a horizontal streamline, what happens to the pressure of the fluid
A projectile is launched at an angle of 45° above the horizontal. What is the ratio of its horizontal range to its maximum height
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. find the speed of the ball just before it lands
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.3 rad/s^2 for 7.1 s, Find the total number of revolutions turned
Two objects of the same mass, m = 1.00 kg, are projected towards each other. The first object initially has velocity (20.0m/s)i^. What is the change in kinetic energy in the collision
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