How much power is required to lift a 25 kg box to the top of a 4 meter flight of stairs in 3.5 seconds?

Which of the following statements are true? a. A satellite's motion is independent of its mass. b. A satellite's velocity and orbital radius are independent of each other. c. A geosynchronous satellite has a period of approximately 28 days. d.

What two scientific laws or principles contribute to the total amount of lift?

the highest-caliber cannon ever built (though never used) is located in Moscow Russia. The diameter of the cannon's bar is about 82 cm, and the cannon's mass is 35027 kg. Suppose the cannon were lifted by airplane.

What is the correct explanation of Newton's Third Law of Motion? Question 1 options: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? Your answer must include an explanation of what is happening to the molecules.

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.

Which of the following equations are balanced correctly? A: Cu + H2O → CuO + H2 B: Zn + HCl → ZnCl2 + H2 C: 2C4H10 + 13O2 → 8CO2 + 10H2O D: 2Ag2O → 4Ag + O2

Two identical objects are moving directly toward one another at the same speed v. ~v - ~v m m What is the total kinetic energy of the system of the two objects?