an object has a mass of 60kg and is sitting on the ground. based on the normal force you calculated in the previous question and a friction coefficient of 0.6, what force must be applied to the object to make it go at a constant speed?

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?