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Determine what is the speed of a proton accelerated by a potential difference of 111 MV?
A man pulls a 300 N object across a horizontal surface using a100 N force applied at a 35° angle. What is the normal force?If the object is pulled at constant speed, what is the coefficientof friction?
An organ tube is open at one end. A certain harmonic produced by the tube has a frequency of 450 Hz. The next higher harmonic has a frequency of 750 Hz. The speed of sound in air is 343 m/s. i. What is the integer n that describes the harmonic whose ..
estimate how many books can be shelved in a college library with 3500 of floor space. assume 5 shelves high having
A uniform magnetic field B with magnitude 1.2 mT is directed vertically upward throughout the volume of a laboratory chamber. Determine the acceleration of the proton in the chamber
A 9150kg railroad car travels alone on a level frictionless track with a constant speed of 13.0m/s . A 4100kg load, initially at rest, is dropped onto the car.
A cannon tilted upward at = 33 fires the cannonball with a speed of 99. At that instant, what is the component of the cannonball's velocity parallel to the ground.
A large truck collides head-on with a small car. how do the forces acting between the truck and car compare during the collision
A 69N box of clothes is pulled 8.9 m up a 30° ramp by a force of 100 N that points along the ramp. If the coefficient of kinetic friction between the box and ramp is 0.22, compute the change in the box's kinetic energy.
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
A bullet with a mass of .06 kg hits a 5.0 kg block with an initialspeed of 225 m/s. The block is connected to a spring. Thefriction between the block and the table is negligible. Uponimpact the bullet bounces back from the box with a speed of 75m/s.
An automobile with a mass of 2250 slugs is driven around a circular curve, What is the centripetal force on the car
A block of wood has a density of 0.50 g/cm3 and a mass of 1.500 kg. What is the volume of oil that the wood displaces
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