Physics, 31.08.2019 11:00 yachtboy2811

Explain as if i am a 6 year old; why is time travel theoretically impossible?

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Physics, 21.06.2019 21:30, jenn8055

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

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Physics, 21.06.2019 23:00, cargod1

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

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Physics, 22.06.2019 07:30, babygreg2001p97abr

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 12:00, drivinghydra

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?