Aperson wheels his wheelchair up a ramp using a force of 93 n. if the ramp has a
mechanical advantage of 7, what is the resistance force?

Debris produced by mining is called

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap