Physics, 09.12.2019 21:31 christophergaudette0
Suppose you pull a suitcase with a strap that makes a 30degrees angle with the horizontal. the magnitude of the force you exert on the suitcase is 48 lb.
a. find the horizontal and vertical components of the force.
b. is the horizontal component of the force greater if the angle of the strap is 60degrees instead of 30degrees?
c. is the vertical component of the force greater if the angle of the strap is 60degrees instead of 30degrees?
Answers: 2
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Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
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Physics, 23.06.2019 10:40
2.which choice most accurately explains what happens to the bonds between atoms when water changes to steam, and what becomes of the energy added during this phase change? when water changes to steam bonds between molecules are created. after reaching the boiling point, energy is used to change bond strength and change the kinetic energy of the atoms. when water changes to steam bonds between molecules break apart. after reaching the boiling point, energy is used to break bonds, but does not affect the kinetic energy of the atoms. when water changes to steam bonds between molecules are created. after reaching the boiling point, energy is used to break bonds, but does not affect the kinetic energy of the atoms. when water changes to steam bonds between molecules break apart. after reaching the boiling point, energy is used to change bond strength and change the kinetic energy of the atoms.
Answers: 1
Suppose you pull a suitcase with a strap that makes a 30degrees angle with the horizontal. the magni...
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