An electric heater is rated 1000w, 250v. calculate the resistance

Light waves will bend when passing from one transparent substance to another unless: a. Constructive interference occurs / b. Destructive interference occurs / c. The light hits the substance at an angle of 60 degrees / d.

A hunter is aiming horizontally at a monkey who is sitting in a tree. The monkey is so terrified when it sees the gun that it falls off the tree. At that very instant, the hunter pulls the trigger ... Part A. What will happen?

Galileo's observational contributionsGalileo Galilei was the first scientist to perform experiments in order to test his ideas. He was also the first astronomer to systematically observe the skies with a telescope.

Express 10-4 phones in microphones. Answer in units of μphone.

Two bumper cars collide into each other and each caor jolts backwards what law is this isnt it newtons second law?

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?

The puzzle box is traditionally associated with the work of

A 0.95-kg sample of water at 11°C is in a calorimeter. You drop a piece of steel with a mass of 0.39 kg at 212°C into it.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.