Physics, 04.01.2020 06:31 ZacherySpeaks170
Aski jumper has 1.2 x 10 4 j of potential energy at the top of the ski jump. the friction on the jump slope is small, but not negligible. what can you conclude about the ski jumpers kinetic energy at the bottom of the jump?
Answers: 1
Physics, 22.06.2019 06:30
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 2
Physics, 22.06.2019 07:30
Boxing gloves are padded to lessen the force of a blow. (a) calculate the force exerted by a boxing glove on an opponent’s face, if the glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. (b) calculate the force exerted by an identical blow in the gory old days when no gloves were used and the knuckles and face would compress only 2.00 cm. (c) discuss the magnitude of the force with glove on. does it seem high enough to cause damage even though it is lower than the force with no glove?
Answers: 1
Aski jumper has 1.2 x 10 4 j of potential energy at the top of the ski jump. the friction on the jum...
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