If Fnet=Fg, what is the magnitude and direction of the acceleration of the object? Assume that the object is on Earths surface

Explain the difference between a fluorescence emission spectrum and a fluorescence excitation spectrum. which more closely resembles an absorption spectrum?

What is the approximate size of the smallest object on the earth that astronauts can resolve by eye when they are orbiting 250 km above the earth? assume λ = 500 nm and a pupil diameter of 5.00 mm?

Jesse is swinging miguel in a circle at a tangential speed of 3.50 m/s. if the radius of the circle is 0.600 m and miguel has a mass of 11.0 kg, what is the centripetal force on miguel? round to the nearest whole number.

An astronaut is moving in space when a big explosion occurs about 50 meters behind him. How will the astronaut come to know about the explosion?

What is a risk of using chemical pesticides on crops? A chemical contamination of streams and rivers B rotating crop production C genetic mutation of existing crops D attracting more insects to the harvest-able product Which of the following is used

A train started from rest and moved with constant acceleration. At one time it was traveling 27 m/s, and 150 m farther on it was traveling 54 m/s.

What best describes the motion of the medium particles in a longitudinal wave?

How many electrons are in the third energy level of a calcium atom

A child standing on a bus remains still when the bus is at rest. When the bus moves forward and then slows down, the child continues moving forward at the original speed. This is an example of

Where did Earth's water come from?, select the two competing scientific theories supported by evidence that explain the formation of the hydrosphere.