Physics, 17.03.2020 03:18 stacysadousky
An object slides without friction in a bowl shaped like a hemisphere. It is released from rest at one edge of the bowl, slides through the bottom, and then slides up the other side before stopping right on the edge of the bowl. During which part of this process is the power being delivered by the gravitational force at its greatest? Note that we want the greatest positive power.
Answers: 3
Physics, 21.06.2019 21:30
According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
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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
Physics, 22.06.2019 11:30
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your
Answers: 2
Physics, 22.06.2019 15:30
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
An object slides without friction in a bowl shaped like a hemisphere. It is released from rest at on...
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