Asolid sphere of mass 4.0 kg and radius 0.12 m starts from rest at the top of a ramp inclined 15°, and rolls to the bottom. the upper end of the ramp is 1.2 m higher than the lower end. what is the linear speed of the sphere when it reaches the bottom of the ramp

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?

What surface does the epithelial tissue cover? a. the surface of the body b. lines internal organs c. forms many glands d. all of the above