1)a body is moving with a uniform velocity of 2m/s what does it means? 2)Under what condition a body travels a certain distance but the net displacement is zero. Explain with an example.

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?