Can a black light be used to charge a solar powered product

You are pushing on a heavy desk with a force of 65 N the desk does not slide the force of friction between the desk and the floor is 65 N true or false

Hobbyists build a compressed air powered cannon which is able to launch a pumpkin a horizontal distance of 2700 ft.

What is the wavelength of a 2.2 mhz ultrasound wave traveling through aluminum? assume that the speed of sound in aluminum is 5100 m/s?

What is the average emf induced in a circular wedding ring of diameter 2.3 cm if the ring is at the center of the mri magnet coils and the original magnetic field is perpendicular to the plane that is encircled by the ring?

What is the power usage of a device that uses 3.0 A of current at a voltage of 120 V? How much energy (in kilowatt-hours) does this device use if it is left on for 2.0 hr?

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?

What happens when the spaceship in the animation has zero horizontal velocity?