Define the magnitude of the acceleration of the elevator

Reference no: EM1360287

Q. A 578-N physics student stands on a bathroom scale in an 879-kg (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 434 N.

Find the magnitude of the acceleration of the elevator.

Q. A 300 kg piano slides 4.1 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.

A) Calculate the work done by the man on the piano.
B) Calculate the work done by the friction force.
C) What is the work done by the force of gravity?
D) What is the net work done on the piano?

Reference no: EM1360287

Questions Cloud

Find out the equilibrium price prevail in the market : Find out the equilibrium price and quantity that will prevail in the market. At a price of $10, would there be a surplus or shortage.

Strengths and weaknesses of kohlberg theory : Discuss the strengths and weaknesses of the Kohlberg's theory of moral development theory. Which stage of the Kohlberg's theory of moral development, do you think that you are currently experiencing? Provide examples to reinforce your answer.

Explain how does what they do in washington : Explain How does what they do in Washington and affect Americans during their doctor's visit

Liability in medical professions : Describe and briefly discuss case management and utilization review in modern U.S. healthcare organizations

Define the magnitude of the acceleration of the elevator : define the magnitude of the acceleration of the elevator. A 300 kg piano slides 4.1m down a 30 degree incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction ..

Create command line based application for perfect hundred : Create a COMMAND LINE based application to play a game called Perfect Hundred. In this game, the user/player competes against the computer.

Program evaluation in an organization : Why is program evaluation useful for an organization and what is the nature and purpose of the objectives-based program model.

Elucidate why it is a nash equilibrium : Each can produce the next generation super computer for math (M) or for chip research. However, only one can successfully produce for both markets simultaneously. Find the Nash equilibrium (include the payoff in your answer), and elucidate why it i..

Concept of negative punishment : What do you think about the concept of negative punishment where an unwanted behavior is decreased because of removing something good like privileges?

User Account

All Pages