Two parallel plates of area 7.34 x 10-4 m2 have 5.83 x 10-8 C of charge placed on them. A 6.62 x 10-6 C charge q1 is placed between the plates. What is the magnitude of the electric force on q1? pls help?

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart