Physics, 15.04.2020 22:29, ryleeshea816
A 0.50-kg block attached to an ideal spring with a spring constant of 80 N/m oscillates on a horizontal frictionless surface. When the spring is 4.0 cm longer than its equilibrium length, the speed of the block is 0.50 m/s. The greatest speed of the block is:
Answers: 2
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?
Answers: 1
Physics, 22.06.2019 15:00, chynahgibsonwinfrey
What happens when a rubber rod is rubbed with a piece of fur?
Answers: 1
A 0.50-kg block attached to an ideal spring with a spring constant of 80 N/m oscillates on a horizon...
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