What momentum of a 50kilogram ice skater gliding across the ice at a speed of 5m/s?

For each situation, identify when sound would travel faster and why? a. Outside on a winter day or outside on a summer day? b. Through water or air? c. When air pressure is high or low? d.

How to determine power

A person kicks a 4.00 kg door with a 32.0 N force causing the door to accelerate at 8.00 m/s 2. Determine the magnitude of the force exerted by the door on the person.

4. Monica stands at the edge of a circular platform that is slowly rotating on a frictionless axle. She then walks toward the opposite edge, passing through the platform's center. Describe the motion of the platform as Monica makes her trip.

Faraday's Law states how voltage can be increased or decreased in a system. True False

In what region would solar cookers be useful

Which of the following statement is FALSE about momentum? (Consider the formula p = mv.) Group of answer choices The momentum of an object varies directly with the speed of the object.

What's the difference between the resistance of 1,000 feet of aluminum No. 14 wire and 1,000 feet of No. 14 copper wire? A. The aluminum has 0.84 ohms more resistance. B. The aluminum has 2.66 ohms more resistance. C. The copper has 0.

Discuss the use of headrests in the seats in a car in terms of newtons laws. Use terms and provide a comprehensive in depth answer with references.

Larry's gravitational potential energy is 1870Jas he sits 2.20 m above the ground in a sky diving airplane. What is Larry's gravitational potential energy when he begins tojump from the airplane at an altitude of 923m?