A toy plane with a mass of 1.5 kg is flying in the air at 8.0 m/s. What is it's kinetic energy?

If you charge a pocket comb by rubbing it with a silk scarf, how can you determine if the comb is positively or negatively charged?

Differences between gamma rays and microwaves

If the position of an object is zero at one instant, what is true about the velocity of that object?

Which of the follow are examples of an object accelerating? (choose 4) A car turning a corner A ball rolling on the ground and slowing down OA box being pushed on the ground at a constant velocity A ball falling A paper falling to the ground with a

Find the potential difference required to pass a current of 0.2A in a wire of resistance 20ohm

They are called short-period comets. Short-period comets are thought to originate in the Kuiper Belt, which is a belt of icy objects just beyond the orbit of the planet

The most common type of lighting unit utilized in street lighting is: a. metal halide lamps b. mercury vapor lamp c. high-intensity sodium vapor lamp d. incandescent lamp

a family drives from boston (100 miles away) to new york (500 miles away) in 10 hours. How fast were they were traveling?

The specific heat of copper is 0.385 j/g•°c. Which equation would you use to caculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°c to 29°c?

Identify the situation where work is being done. A. Carrying a box of crayons across the room. B. Lifting a backpack off the floor C. Sitting on a stool D. Holding a football