An airplane starts at rest and accelerates down the run way for 20 s. at the end of the run way, its velocity 80 m/s north whats it acceleration?

Motion is generally defined as an increase in distance is it true or false

A small mass m is tied to a string of length L and is whirled in vertical circular motion. The speed of the mass v is such that the ratio of the string tension at the top of the circle to that at the bottom of the circle is FtopT/FbotT = 0.5.

You are bungee jumping from a bridge. Initially, while you are falling the slack bungee cord isn't exerting any forces or torques on you. Earth's gravity is effectively pulling downward on you at your center of gravity.

An astronaut has a mass of 100 kg and has a weight and if 370 N on Mars. What is the gravitational strength on Mars?

What did newtons discover about gravity?

The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s the magnitude of the car's acceleration is

An object that has kinetic energy must what?

A student measures the length and width of a rectangle to be 40.7 cm and 0.599 cm, respectively. Wanting to find the area (in cm2) of this rectangle, the student multiplies on a calculator and obtains a result of 24.3793.

A red apple is illuminated by green light. what color will the apple appear as?

Explain why a roller coaster's second hill cannot be taller than the first hill.