The device which is used to increase or decrease the voltage of electricity is called

How is color related to wavelength? Question 1 options: a. Purple has the longest wavelength and highest frequency. b. Each color has a different wavelength allowing the eye to see it. c. Colors with short wavelengths are easier to see. d.

A glass table top is able to exert a maximum normal force of 1600 N. A large object with a mass of 165 kg is gently lowered onto the center of the table top, then released there.

What velocity must a 1340kg car have in order to have the same momentum as a 2680kg truck traveling at a velocity of 15 m/s to the west

What is velocity? And the formula of it?

What internal process cause most earthquake

In a laundromat, during the spin-dry cycle of a washer, the rotating tub goes from rest to its maximum angular speed of 4.7 rev/s in 8.3 s. You lift the lid of the washer and notice that the tub decelerates and comes to a stop in 17.5 s.

5. While a gas does 500J of work on its surroundings, 800J of heat is added to the gas. The mass of the gas is 300 grams, specific heat capacity is 1000 Joules/kg and the work is done keeping pressure constant.

A transparent film laminated to a fabric is identified in the study material as a. stretch fabric. b. PVC. c. a skin. d. two-faced fabric

Light from the sun travels through space to Earth's atmosphere. Which will light waves do when they move from empty space into matter made up of different gases? A. move at the same speed B. move faster as they transmit C. slow down and refract D.

A 12.5 kg box sliding on a frictionless flat surface tuns into a fixed spring which compresses at a distance x = 14.1 cm. the spring constant is 94.5 kN/m Find the initial speed of the box