Physics, 02.08.2019 19:30 linreaburg
Abullet with a mass =13.5 g is fired into a block of wood at velocity =249. the block is attached to a spring that has a spring constant of 205 n/m. the block and bullet continue to move, compressing the spring by 35.0 cm before the whole system momentarily comes to a stop. assuming that the surface on which the block is resting is frictionless, determine the mass of the wooden block.
Answers: 2
Physics, 22.06.2019 11:00, Arielledt10
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 13:30, Bra1nPowers
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
Abullet with a mass =13.5 g is fired into a block of wood at velocity =249. the block is attached to...
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