POSSIBLE POINTS: 6.25 Object 1 has a mass of 30 kg. Object 2 has a mass of 85 kg. The centers of both objects are six meters
apart. What is the gravitational force between the two objects?
0 4.72 x 10^-9 N
06.7 x 10^-9 N
1.38 x 10-9 N
8.9 X 10^-9 N
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8
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.