Who invented the telephone?

Thomas Edison

the Wright brothers

Alexander Graham Bell

Henry Ford

When you jump up, you exert an action force on the ground. What's the reaction force? A. your weight B. Earth's gravity C. the ground pushing on you D. your body moving upward

If the torque required to loosen the nut that is holding a flat tire in a place on a car has a magnitude of 35 N•m what minimum force must be exerted by the mechanic at the end of a 27 cm long wrench to loosen the nut

Sean and Mary have conducted an investigation to test which materials conduct electricity. To do this, they set up a simple circuit using a battery, wire, and a light bulb. Then, they completed the circuit with objects made from different materials.

Why does the mirror get misty when someone uses the shower?

In 1940, the Tacoma Narrows Bridge across the Puget Sound collapsed. The bridge was a suspension bridge. The wind blowing through the narrows matched the natural frequency of the bridge.

Birds, squirrels, and chipmunks all living in the same tree, using the same resources, are an example of:

Does air resistence decrease with speed

In one area, the lowest angle of elevation of the sun in winter is 23 ° 18 '. Find the minimum distance, x, that a plant needing full sun can be placed from a fence 4.63 ft high.

A wave has a wavelength of 50 m and a speed of 200 m/s. What is the frequency of this wave in hertz?

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?