Suppose that two point charges, each with a charge of +1 Coulomb are separated by a distance of 1 meter. (a) Will they attract or repel? (b) Determine the magnitude of the electrical force between them. (c) What would the magnitude of the force be if the distance was 3 meters?

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

How do we measure or think of speed in the united states?