1
You may sometimes find it difficult to get up from the sofa after watching a TV programme.
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1
You may sometimes find it difficult to get up from the sofa after watching a TV programme.
Assuming the force of gravity acts between the centre of your body and the centre of the sofa,
estimate the attraction between you and your sofa.
ON
2
Calculate the size of the gravitational pull of a sphere of mass 10 kg on a mass 2.0 kg
their centres are 200 mm apart.
What is the force of the 2.0 kg mass on the 10 kg mass?
when
Answers: 2
Physics, 21.06.2019 18:00, Pumpkinputters
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 06:30, madisonhusbands1458
The mini-refrigerator fire was most likely caused by what type of wiring?
Answers: 2
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