Ask a New Question

Question

A 75.0-kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant velocity from ground level to the floor above, a vertical height of 4.30 m. What is the work done on the man by (a) the gravitational force and (b) the escalator?
12 years ago

Answers

Elena
1. W(grav) = -mgh
2. W(es) = mgh
12 years ago
fart
a)80
b) 97
10 years ago
fart
previous answers were wrong
10 years ago

Related Questions

Calculate the ratio of the escape velocities from the moon and Earth. Calculate the ratio of the es... A 86.0-kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant v... What does the boy want to escape from in these lines? Which statement about fire escape plans is true? 1. A fire escape plan will prevent a fire 2.... Which statement about fire escape plans is true? (1 point) Responses A fire escape plan will... hat are the two gases that escaped Earth's atmosphere during early formation? Question 16 options:... Which statement about fire escape plans is true? (1 point) Responses A fire escape plan will prevent... The absence of what led to escalating railroad rates and upset among stakeholders? skilled engine... Which statement about fire escape plans is true? (1 point) Responses A fire escape plan will... self awareness and ways of escaping unpleasant awareness of self
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use