Calculate the energy of a photon of electromagnetic radiation

A rock tied to the end of a string moves in a circle of radius 1.2m with a constant speed of 3.0 m/s. Calculate the centripetal acceleration of the rock.

What happens if you shoot a gun on a plane?

Why is summer hotter than winter? mastering astronomy?

Which solid-state component can be used as a switch to turn current on or off?

In the inclined plane the objects that are thrown from a more inclined place go faster?

Which of the following scientists is incorrectly paired with their major discovery? Henri Becquerel - radioactivity Charles Darwin - theory of evolution James Hutton - rock cycle Charles Lyell - faunal succession

What units are used in the periodic table for atomic mass?

A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

It takes 9 seconds for a 10 newton force to move an object 4 meters to the right. What are the direction and magnitude of this force? A. The direction is to the right. The magnitude is 9 seconds. B. The direction is 4 meters.

West of a city, a certain eastbound route is straight and makes a steep descent toward the city. The highway has a 14% grade, which means that its slope is - 14 100.