Physics, 23.03.2020 19:01 sadieanngraham15
Which is an example of the electromagnetic force?
A compass needle points north toward Earth’s magnetic pole.
An iron nail rolls off a table and falls to the ground.
The moon pulls on the water in Earth’s oceans, causing tides.
Protons that make up a nitrogen atom stay together in the nucleus.
Answers: 3
Physics, 21.06.2019 18:30
A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s
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Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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Physics, 22.06.2019 04:30
Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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Physics, 22.06.2019 04:50
Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k
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Which is an example of the electromagnetic force?
A compass needle points north toward E...
A compass needle points north toward E...
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