How long does the earth take to rotat

How many newtons of force are presented by the following amount:3 kg * m/sec squared? Select the correct answer a) 6 newtons b) 3 newtons c) 1 newton

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=58000 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical.

The form of energy associated with the position and motion of an object is called what?

Rank the following in terms of increasing pressure: a. A 10 kg object distributed on a square surface with dimensions 10 cm by 10 cmB. A 20 kg object distributed on a square surface with dimensions 10 cm by 10 cm c.

A soccer ball collides with another soccer ball at rest. the total momentum of the balls a) is zero b) increased c) remains constant d) decreases

Hakeem throws a 11.5 g ball straight down from a height of 2.0 m. the ball strikes the floor at a speed of 7.8 m/s. what was the initial speed of the ball? assume that air resistance is negligible.

What is the name of the device that measures how loud a sound is?

Which is a "big idea" for space and time? Energy can be transferred but not destroyed. The universe consists of matter. Forces describe the motion of the universe. The universe is very big and very old.

Which of these should you not do when merging onto a freeway? A. Select a gap large enough to fit your vehicle. B. Change lanes smoothly. C. Change two lanes at once and speed up. D. Adjust your speed to create a safe following interval.

Which change will cause the gravitational force between a baseball and a soccer ball to increase? Check all that apply.