To escape Earth's gravitational pull, an object mush reach a speed of 11,180 meters per second. how fast is this kilometers per second

You pull a shopping cart with the net force of 25 N to the left. your friend pulls the same one with the 25 N to the right. Describe the motion of the cart

What is an error in a lab mean?

Julius competes in the hammer throw event. the hammer has a mass of 7.26 kg and is 1.215 m long. what is the centripetal force on the hammer when it has a tangential speed of 31.95 m/s? the answer is rounded off to the nearest whole number.

Chet believes that electric fields can impact objects only when the objects are in direct contact. Tonya disagrees with Chet.

If a fast moving car makes a loud noise approaches what will happen as the distance between the two increases

What do you use to measure potential difference

A force F = 94.9 N acts at an angle α = 35◦ with respect to the horizontal on a block of mass m = 29.3 kg, which is at rest on a horizontal plane. The acceleration of gravity is 9.81 m/s 2. If the static frictional coefficient is µs = 0.

Which statements about eclipses are true? Check all that apply. Earth's shadow creates a solar eclipse. A total lunar eclipse has a reddish color. The moon moves between Earth and the Sun during a solar eclipse.

Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because?