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Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 6.6 m/s. Neglect frictional losses.
(a) Find the height of the hill?
(b) Released from rest at the similar height, a can of frozen juice rolls to the bottom of the same hill. Estimate what the translational speed of the frozen juice can when it reaches the bottom?
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Calculate the radius a of the iron core
A girl delivering newspapers covers her route by traveling 7.00 blocks west, 4.00 blocks north, and then 3.00 blocks east. What is her resultant displacement
Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 2.8 . Two of the particles have a negative charge: = -6.7 and = -13.4 . The remaining particle has a positive charge, = 8.0 . What is ..
An object of mass 2.00 kg is oscillating freely on a vertical spring with a period of 0.540 s, Find the spring constant k and Find the unknown mass
a lens that has a focal length of 5.00 cm is used as a magnifying glass.a to obtain maximum magnification and an image
High speed photography shows that when a golf club hits a golf ball, the club and the ball typically remain in contact for 1x 10?3 s, Estimate the magnitude of the force that the club exerts on the ball
List the electricalcharge, baryon number, and electron lepton number for the following particles
An object of mass m undergoes an elastic collision with anidentical object that is at rest. The collision is not head-on. Show that the angle between the velocities of the two objects after the collision is 90o.
A square loop (edge = 9.4 cm) is comprised of 41 turns of copper wire. The square loop is placed in the plane of the page, What is the magnitude of the induced emf in the square loop
A 70 ohm lamp and a 75 ohm lamp are connected in series and placed across a potential of 41 V. What is the voltage drop across the first lamp
An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6000 rpm. What is the linear speed of a point on its edge
A 13.0-g wad of sticky clay is hurled horizontally at a 90-g wooden block initially at rest on a horizontal surface. The clay sticks to the block. what was the speed of the clay immediately before impact
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