A 2-kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep the object moving at this speed and in this direction?

Water evaporators is this a physical change or a chemical change?

Coulomb is a very large unit for practical use. Justify your answer if 10^10 electrons are transferred from a body/second

What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?

You are about to attack a troll in a role-playing game. You will throw w with the letters A through F. In order to bear you will beat the troll? ning game. You will throw two dice, one numbered one to eight and the other gh F.

Which statement best reflects the approach of Gestalt psychology?

Which term defines the energy of motion? a. chemical energy b. electrical energy c. gravitational energy d. kinetic energy user: what is electromagnetic energy that travels in transverse waves? a. nuclear energy b. potential energy c.

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets