A wheelchair ramp needs to be 8 inches high how long does it have to be to have a mechanical advantage of 5

A child is holding a cup of hot tea. His mother, a physicist, warns him not to start running with the tea. According to Newton's first law, why should his mother be concerned if the child started running?

When the boy tire maker married the girl tire maker what did everyone say?

Instructions:Type the correct answer in each box. Round your answers to the nearest hundredth. A ball with a mass of 1.5 kilograms is tied to the end of a rope. The ball is pulled to a height of 0.5 meters above the ground and released.

Three forces act on an object. Two of the forces are at an angle of 100◦to each other and have magnitude 25N and 12N. The third is perpendicular to the plane of these two forces and has magnitude 4N.

A bicyclist and his bike together have a mass of 70 kg and a speed of 6 m/s. How much work would be done for the biker to accelerate to 10 m/s?

What is the difference between a meteorite and a asteroid?

Which of the following best explains why a magnet sticks to a refrigerator? the magnet is

If the truck has a mass of 4,000 kilograms, what is its momentum? Express your answer in kg x m/s

Using diagram differentiate between solenoid and a toroid

If a gas has a gage pressure of 156 kPa, its absolute pressure is approximately