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A pitcher claims he can throw a 0.150 kilogram baseball with as much momentum as a 1.60 gram bullet moving with a speed of 1.50 x 103 meter per second.
(a) Obtain what must the baseball speed be if the pitcher's claim is valid?
(b) Find which has greater kinetic energy, the ball or the bullet?
The force component along the displacement varies with the magnitude of the displacement, Find the work done by the force in the interval
an electron with a speed of 6.00106 ms collides with an atom the collision excites the atom from its ground state 0ev
ashlee pulls andy on a skateboard. ashlee pulls with a force of 52.2n to get it moving and 42.0n to keep it at a
A rock climber stands on top of a 51 m high cliffoverhanging a pool of water. He throws two stones verticallydownward 1.0 s apart and observes that they cause a singlesplash. The initial speed of the first stone was2.4 m/s.
A 65 kg woman and an 80 kg man stand 10.0 m apart on frictionless ice. How far will the man have moved when he collides with the woman
A spider hangs from a strand of silk whose radius is5.8x10-6 m. The density of the silk is 1100kg/m3. When the spider moves, waves travel along thestrand of silk at a speed of 310 m/s. Determine the mass of the spider.
What average force is required to stop an 1100-kg car in 8.0 seconds if the car is traveling at 95 km/h
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. What is the volume flow rate through the pipe
The vector position of a 3.80 g particle moving in the XY plane varies in time according to \(r_1= (3i + 3j)t + 2t^2\), Determine the vector position of the center of mass at t = 2.90
The directors of the Ufizzi museum decide to assassinate the curator of the Prado museum with producing 2 mostaccioli noodles (hollow open at both ends) for him as a gift. Discover the value for the next highest frequency that the stuffed noodles wil..
a workman on the scaffolding outside one of the science classrooms drops a wrench. a physics student bored with the
In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 3.1 1011 m, with a period of 1140 days
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