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A 9.5 g bullet is accelerated in a rifle barrel 35.9 cm long to a speed of 458 m/s.
Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N
q1. a cube of ice is taken from the freezer at -8.7degc and placed in a 97 g aluminium calorimeter filled with 351 g of
a rigid closed insulated container with a volume of 45 ft3 is filled with carbon dioxide at a pressure of 14.7 psia and
In a certain solar house, energy from the Sun is stored in barrels filled with water. In a particular winter stretch of five cloudy days, 1.37 x 106 kcal is needed to maintain the inside of the house at 22.4oC. what volume of water is required
A long straight horizontal wire carries a current I = 2.40Ato the left. What is the magnitude F of the magnitude force on the charge
A 5.0 x 102-N object is hung from the end of a wire of cross-sectional area 0.010 cm2. The wire stretches from its original length of 200.00 cm to 200.50 cm. What is the stress on the wire? Decide the Young's module on the wire.
a hoop is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle 25 degrees with the horizontal. What is the speed of the hoop
Assume that if the shear stress in steel exceeds about4.00108N/m2, the steel ruptures. Determine the shearing force necessary to shear a steel bolt1.10cm in diameter
A 72.3 kg man carrying a 5.23 kg box gets on an elevator. As the elevator accelerates upwards at 0.224 m/s^2, he feels the box is heavier, During this time, what is the weight on the floor from his feet
Adolf and Ed are wearing harnesses and are hanging from theceiling by means of ropes attached to them. To what height above his starting point does Edrise
A photon of wavelength 0.45000nm strikes a free electron that is initially at rest, What is the speed of the recoil electron after the collision
Calculate the magnitude of the flux of a constant electric field of 5.00 N/C tilted 60° from the positive z-direction through a rectangle with area 4.00 m2 in the xy-plane.
Water ( ρw = 1000 kg/m3 ) flows during a horizontal, cylindrical pipe of radius 0.0200 m. The pipe bends upwards and climbs 5.0 m in height. It then bends horizontal again however widens to a radius of 0.0300 m. What volume flow rate will keep the pr..
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