Suppose that the quarterback takes 0.30 s to return to the ground after throwing the ball. how far d will he move horizontally, assuming his speed is constant?

A transformer has a primary coil with 600 turns and a secondary coild of 300 turns, if the output voltage is 320 volts, what is the input voltage?

Why is the scientific method described as cyclic?

An object is dropped from a 15 m ledge. How fast it is moving just before it hits the ground?

Cual es es el carril que mas favorece a los corredores de los 100 metros planos y por que

What is the power of a lightbulb that converts electrical energy at a rate of 100 joules per second?

1. An automobile with a mass of 1000 kg accelerates when the traffic light turns green. If the net force on the car is 4000 N, what is the car's acceleration?

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt