Gina wheels her wheelchair up a ramp using a force of 80 Newtons. If the ramp has a mechanical advantage of 7 what is the output force in newtons

A car traveling at a speed of 24 m/s comes to a stop at a red light. How much time will it take for the car to stop if its acceleration is - 8.0 m/s2? 3 s

Why is it important to follow all directions in an experiment carefully

A calculus book weighing 20 N rests on the floor of a classroom. The reaction to the force of the floor on the book is a force of

Identify the number of significant figures for the following values: a. 72.1 b. 4,525.25 c. 1.999

Which of the following is not correct for an object in projectile motion on earth? a. the only force acting on the object is gravity. b. the shape of the object's path is a parabola. c. the object's acceleration never changes with time. d.

Which statement is true about planets with longer orbits in the solar system? A. They have longer periods of revolution. B. They are smaller in size. C. They have less distance to travel for one revolution. D. They have longer seasons

Atmospheric conditions near a mountain range are such that a cloud at an altitude of 2.00 km contains 3.20 ✕ 10^7 kg of water vapor. How long (in years) would it take for a 2.

In addition to the conditions required for any solar eclipse, what must also be true in order for you to observe a total solar eclipse?

Protons and neutrons strongly attract when they

How far is Jupiter from the sun?