Physics, 17.10.2019 01:30 gracethegreat1
(d) you observe someone pulling a block of mass 41 kg across a low-friction surface. while they pull a distance of 4 m in the direction of motion, the speed of the block changes from 5 m/s to 7 m/s. calculate the magnitude of the force exerted by the person on the block.
Answers: 3
Physics, 21.06.2019 18:40
An observer that stands still as the electron moves by him, will observe
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Physics, 21.06.2019 22:30
Select the word from the list that best fits the definition classification of most stars on the h-r diagram
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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 12:20
A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
Answers: 2
(d) you observe someone pulling a block of mass 41 kg across a low-friction surface. while they pull...
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