Ahorizontal force of 2500 n is applied for a time of 30 seconds to the car mass of 1000 kg if the car is at rest and friction is negligible determine the distance travelled by the car

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

Why should seat belts not be mandatory quick plz