A box of mass 3kg is lifted onto a shelf. Calculate the change on its gravitational potential energy. The gravitational field strength is 10N/kg.

A spacecraft left Earth to collect soil samples from Mars. Which statement is true about the strength of Earth's gravity on the moving spacecraft? A) It decreases. B) It increases. C) It remains the same. D) It doesn't affect the spacecraft

Chemical, potential energy is stored in a battery. The negative end of a battery is connected to a wire. The wire loops numerous times around a piece of steel. The wire returns to the positive end of the battery.

The gravitational potential energy of a boulder at 100m is 1000J. What is the G. P. E at 50 m, 20m, 1m, 0m?

A force of 73.8 newtons is applied to travel bag at an angle 39.0° with the horizontal. What are the horizontal and vertical components of the force?

Based on your knowledge of the electromagnetic spectrum, why are radio waves considered harmless while ultraviolet waves and x-rays considered harmful?

What is needed to support life

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol

Locomotor movement applies to which of the following motions running squatting bending twisting

Which of the following is a feature of the sun's radiation? A. It cannot travel through air. B. It cannot travel through vacuum. C. It is made up of rays of the same frequency. D. It is made up of rays of different wavelengths.

determine the pressure exerted on the surface of a submarine cruising 175 ft below the free surface of the sea. assume that the barometric pressure is 14.7 psia and the specific gravity of seawater is 1.03.