Physics, 22.10.2020 19:01 haileeattaway
A 3.00-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. (a) Determine the force constant of the spring, if the box compresses the spring 5.20 cm before coming to rest. N/m (b) Determine the initial speed the box would need in order to compress the spring by 1.60 cm.
Answers: 3
Physics, 21.06.2019 17:30
What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )
Answers: 1
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 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
A 3.00-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it enc...
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