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Question: A 3.0 g bullet of specific heat 128 J/kg.degree C is moving at 180 m/s and enters a bag of sand then stops. If all kinetic energy is converted into heat, by what amount is increase in temperature of bullet?
An electron and a proton are each accelerated through a potential dierence of 10.0 MV. Are the particles moving at relativistic speeds
A23.0-mW laser beam of diameter1.85mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB for a period of 9.00 hours, How much sound energy is incident on the eardrum during this time
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the binding energy per nucleon (in MeV)
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 22.2N ; when it is completely immersed in water, What is the volume of the block
What is speed of the resulting ball of clay
What is the tangential acceleration of a bug on the rim of an 11.00 in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 79.03 rev/min in 3.60 s? One second after the bug starts from rest, what is its centripetal accel..
You take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a tension of 1.96 N. What is the linear mass density of the string, including its uncertainty
An athlete swings a 4.50-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 1.000 m at an angular speed of 0.540 rev/s. What is the tangential speed of the ball
Two resistors of 20 ohms and 25 ohms are connected in parallel. find the potential difference across the third resistor
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. Compute the position of the sandbag at a time 1.50 s after its rele..
A copper cylinder 1.50m long and 40.0cm in diameter stands onone end. What is the mass of the cylinder? What force does it exert on the ground?
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