Physics, 17.01.2020 21:31 monyeemonyee12
When thermal insulation, such as spun glass or rock wool, is placed beneath the roof of a house, then in cold weather the insulation will: . create heat to warm the house. b. keep the cold from coming through the roof. c. slow the flow of heat from inside the house to the outside. d. stop the flow of heat from inside the house to the outside.
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Physics, 21.06.2019 17:10
What is the radius of the circular path ofa charged particle in a magnetic field?
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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?
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Physics, 22.06.2019 09:50
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
Answers: 1
Physics, 22.06.2019 12:30
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
Answers: 1
When thermal insulation, such as spun glass or rock wool, is placed beneath the roof of a house, the...
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