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A water tank holds water to a depth of 80 cm.
What is the pressure on the bottom of the tank?

(Density of water = 1000 kg/m”.)

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.