You have to use 4 N of force to lift a 36 N object with a lever. The lever has an effort arm of 45 m. What is the load arm length?

A police car is parked by the side of a highway and its siren emits a sound measuring 750 Hz. As you approach the police car from a distance, you hear a change in the sound. The change is in the sound's

It is estimated that over ___% of crashes in the US are caused by driver distraction

A constant force of 560 n was applied to a rock. If 2700j of energy was used to move the rock, how far did the rock move

For every action force, there is: A. a net force. B. an unbalanced force. C. a friction force. D. an equal and opposite force. E. all of these

Napisz list oficjalny skierowany do Urzędu Miasta w sprawie pozostawienia drzew na terenie pobliskiego skweru.

A solid spherical insulator has radius r = 2.5 cm, and carries a total positive charge q = 8 * 10-10 c distributed uniformly throughout its volume. find the magnitude of the electric field |e| at a radius of 5 cm from the origin (i. e.

What are some things cyclists do to reduce friction?

What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions

How does the sun's heat affect the humidity of a place

Which "spheres" are interacting when water evaporates from plants