Sound travels faster in: steel water sir

What force would be needed to make a 10kg bowling ball accelerate down the alleyway with an acceleration of 3m/s2

Which of the following is an accurate statement? A. Step-down voltage transformers have a different number of turns in the primary than in the secondary winding, so they change the incoming voltage to a higher voltage. B.

How much does it take a person to walk 12km north at a velocity of 6.5 km/h?

A skier starts from rest at the top of a 40.8 m hill, skis down a 30 degree incline into a valley, and continues up a 32.5 m high hill. The heights of both hills are measured from the valley floor.

A "shooting star" is usually a grain of sand from outer space that burns up and gives off light as it enters the atmosphere. what exactly causes this burning?

Describe the composition of the nucleus of an atom. Question 2 options: It is composed of protons. It is composed of protons and neutrons. It is composed of protons and electrons. It is composed of protons, neutrons, and electrons.

What does the three gorges dam produce? a. electricity from wind power b. electricity from water power c. electricity from coal d. electricity from natural gas

Light passes from a material with index of refraction 1.25 to one with index of refraction 1.72. The angle of incidence is 34.3°. What is the angle of refraction?

How tall would a tower need to be if the period of a pendulum were 30. seconds

0.100kg of a nuclear is converted to energy per day. What is the power produced by this fuel?