While in empty space, an astronaut throws a ball at a velocity of 11 m/s. what will the velocity of the ball be after it has traveled 3 meters?

Select the correct answer from each drop-down menu. A baking tray is made of metal because it's of heat. An oven mitt is used to take the tray out of the oven because it's.

An electric iron operates on a 120-volt outlet and uses 2.30 amps of current. How much power does the iron use? A. 0.019 watts B. 276 watts C. 52 watts D. 630 watts

reasons why using mirrors to generate electricity is not a common practice.

A T-bar tow is required to pull 85 skiers up a 600 m slope inclined at 15° above horizontal at a speed of 2.5 m/s. The coefficient of kinetic friction is 0.06. Find the motor power required if the mass of the average skier is 60 kg.

Of the following reactions, which is a fusion reaction? a. uranium-235 absorbing a neutron and splitting into xenon-140, strontium-94, and two neutrons b. hydrochloric acid combining with sodium hydroxide to form a salt and water c.

What are at least three types of energy involving a microwave

1. At one time, people thought that heat was a substance called

How are magnet'so magnetic force and magnetic field different

Ahmed saw all of these things as he walked to school this morning. Which one is an example of a force pushing downward toward the ground? A. A bird sat on a telephone wire. B. A woman moved her child from one place to another in a wagon. C.

What types of mediums are involved in the energy transfer