How much heat is givne out when 6.0g of water freezes at 0 degrees celcius the heat of fusion of water is 80.0 cal/g?

What will happen if a car experiences a 300 N force to the right from the engine and a separate 150 N force due to friction and air resistance to the left? Show your work to support your position.

The seasons on Earth are created by the a. tilt of Earth on its axis, and the revolution of Earth around the sun. b. gravitational pull of the galaxy and dwarf planets. c. location of Earth's hemispheres, separated by the Equator. d.

What is the resistance of al lamp that allows a current of 10 amps with 120 volts

What causes different colors to appear in the sky? Answer : the scattering and reflection of light by dust particles

What is a wavelength? a. the highest part of the wave b. the distance between two wave troughs c. the speed of energy of the wave d. the lowest part of the wave

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy