A projectile is launched with an initial speed of 30m/s, at an angle 30 above horizontal what is the trajectory of this motion

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

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.

Aball is thrown vertically upwards from the top of a tower with a speed of 100m/s.it strikes the pound near the base of the tower after 25sec . the height of the tower is