03-11-2021
Physics

contestada

A person pushes a box up a ramp that is 3m long and 1m high. If the box has a mass of 20kg and the person pushes with a force of 80N, what is the efficiency of the ramp?

Respuesta :

infinishaw infinishaw

03-11-2021

Answer: 3

Explanation:

Answer Link

Otras preguntas

The circumference of a circle is 6.28.What is the area of the circle?

Find an equivalent ratio for 22/55 then write the proportion ?

Al washed a car in 6 minutes. Fred washes the same car in 8 min. How long dies it take Al and Fred to wash the car together?

solve 2/3 + 1/4x = 1/3

How many eighths are there in 4 1/4

if you live 35 miles from work & drive 35 mph how long would it take to get there

Which of the following rivers is the world's busiest waterway ?

The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length and width.

(X+12) 2 ÷ x2-144 ×-12. 12×-144

Where do the cranial nerves originate? Where do the spinal nerves originate?