You go to a water fountain and note that the trajectoryy of the water coming from the nozzle has a range of 6 centimeters at level range. you estimate that the angle that the water makes coming out of the nozzle is 70 degrees. what is the speed of the water?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Which best represents the law of conservation of mass ?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.