Which identifies that a chemical reaction has occurred?

A skier slides horizontally along the snow for a distance of 12 m before coming to rest. the coefficient of kinetic friction between the skier and the snow is μk = 0.060. initially, how fast was the skier going?

If you used 16 gallons when driving 367 miles, what was your gas mileage over that distance

3 - (a) What is the period of rotation of Earth in seconds? (b) What is the angular velocity of Earth? (c) Given that Earth has a radius of 40,075 km at its equator, what is the linear velocity at Earth's surface?

Fingernails and muscles are made of proteins, which are polymers of

Sound waves can't travel through A. an elastic material. B. a liquid. C. a solid. D. a vacuum.

Which force is responsible for the formation of waves? A. gravity B. wind C. friction D. centripetal

Is it better to design a ship with bigger bottom area or design it with smaller bottom area?

A rockets thruster provides a 300 N force to the right. Air resistance causes a 130 N to the left what is the net force?

A solar eclipse occurs when positions of the sun, moon, and earth are such that one of these objects is between the other two. during a solar eclipse, which object is between the other two? a. sun c. earth b. moon d. none of the above

One tuning fork vibrates at 440 Hz, while a second tuning fork vibrates at an unknown frequency. When both tuning forks are sounded simultaneously, you hear a tone that rises and falls three times per second.