Physics, 14.09.2019 04:10 norinashanleyc
A1.8-kg block is released from rest at the top of a rough 45° inclined plane. as the block slides down the incline, its acceleration is 2.0 m/s, down the incline. determine the magnitude of the force of friction acting on the block. a. 16.1 n b. 8.9 n c. 12.5 n d. 2.3 n e. 17.6n
Answers: 2
Physics, 21.06.2019 22:30, christson805
The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
Answers: 2
Physics, 22.06.2019 16:40, scully1442
Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?
Answers: 3
Physics, 22.06.2019 17:00, agelafa
Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
Answers: 1
A1.8-kg block is released from rest at the top of a rough 45° inclined plane. as the block slides do...
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