A child drags a 0.518 kg toy elephant
across flat ground at constant speed,
with a 5.23 N force at a 51.0° angle.
What is the normal force acting on
the toy?

The index of refraction of the oil is 1.20. what is the minimum thickness t of the oil slick at that spot?

In the absence of friction, gravity, and all other external forces, what kind of speed will an object display if it travels from the bottom to the top of an inclined plane? a. constant speed b. increasing speed c. decreasing speed d. speed increases and then decreases e. speed decreases and then increases

Any device that makes work easier is called a .