By scratching a mineral with various substances, scientists are able to determine the mineral's

How many times could Haley fly bewteen the two flowers in 1 minute (60 seconds)

A spring with a spring constant of 0.70 N/m is stretched 1.5 m. What was the force?

A 5kg ball is dropped from a height of 5m. Neglecting the effects of friction, what is the balls kinetic energy just before it hits the ground? A) 10 J B) 25 J C) 62.5 J D) 245 J

An inductor connects to an AC circuit. If the frequency of the AC oscillations decreases, does the inductance increase, decrease, or remain constant?

Nearly monochromatic light of wavelength 420 nm is split in two beams. The first beam traveled 105 nm to the screen more than the second beam, thus yielding a path difference of 105 nm. A) Calculate the phase difference between the two beams.

A rocket moves away from the surface of the earth. As the distance r from the center of the planet increases, what happens to the force of gravity on the rocket?

Why am i not floating?

A person holds onto an object for 2 minutes, but doesn't move the object. Is work done on the object?

Warming in front of a fire while camping is an example of? A. Conduction B. Convection C. Radiation

In which medium would light travel the fastest? Question 21 options: a. across a room b. in a swimming pool c. through outer space d. through a railroad track