A constant force of f = 47i + 30j moves an object along a vector d = 13i - 8j, where units are in pounds and feet. find the work done.

How do i explain to kids how much water on earth is drinkable?

What occurs when the velocity of an object changes

In the early 19th century Christian Doppler, an Austrian physicist, proposed a theory regarding the properties of a moving source of sound. This is now known as Doppler's law or the Doppler effect. What does this law state?

What is the law that states that matter can not be created nor destroyed? A) The Law of Conservation of Matter B) The Law of the Land C) The Law of Universal Gravitation D) The Law of Thermodynamics

A frog jumps vertically upward from a 20m tall building with an initial velocity of 10m/s. How high above the ground will the frog reach? What is its velocity as it hits the ground below?

The radius of a car wheel is 3 inches. how far will the car travel in 10 revolutions of the wheel?

What happens to a muscle when you exercise it?

A certain rain cloud at an altitude of 1.80 km contains 3.20 107 kg of water vapor. How long would it take for a 2.90-kW pump to raise the amount of water from Earth's surface to the cloud's position?

The law of conservation of energy states that A) energy may be created, destroyed or transformed. B) energy may be created, but only in certain types of nuclear reactions. C) energy may neither be created nor destroyed; it may only be transformed.

Pushing a rock from a hill top is called