On earth a rock is dropped and falls 4.9 meters just before it hits the ground. how much time did the rock take to fall this distance

What happens to the width of the central diffraction pattern (in the single slit experiment) as the slit width is changed and why?

Which of the following is an example in which you are traveling at constant speed but not at constant velocity?

On what bases are galaxies classified? A) Density and volume B) Mass and temperature C) Shape and structure D) Temperature and size

Albert jumps upward with an acceleration of 1.0 m/s2 while he is in an elevator that is accelerating upward at a rate of 1.5 m/s2 What is Albert's total acceleration?

What replaces a cold current that sinks to the ocean floor?

6. A technlclan can be electrocuted when working on HEVs or EVs. A) O True B) O False

You light a light bulb with a 1.5 volt battery. if the bulb has a resistance of 10 ohms, how much current is flowing?

How are the mass and weight an object related? Include a description with words and a equation.

Which layer of the atmosphere is the top layer of the thermosphere?

Apakah yang dimaksud dengan gaya