Physics, 26.11.2019 07:31 goawayyounoob21
:a 10 g bullet travelling at 300 m/s hits a 500 g wooden block that is initially stationary. the bullet becomes embedded in the block, and both travel together along a frictioneless surface. answer each of the following questions a) what is the kinetic energy of the bullet before it hits the block? b) what is the velocity of the bullet+block after the collision?
Answers: 2
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 23:00
Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?
Answers: 1
:a 10 g bullet travelling at 300 m/s hits a 500 g wooden block that is initially stationary. the bul...
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