The coin was traveling with a speed of 0.40 m/s. it landed 0.20 m away from the table. how high is the table?

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?