How many calories of heat are needed to change the temperature of 550g of water from 12'C to 16'C

The diagram shows two bar magnets. They are cut along the dashed line, and then the two marked ends are placed near each other. Two bar magnet horizontal. The top has the north pole left and the south pole right. The magnet below is reversed.

What are the 4 rules of seismic waves?

What causes thunder? a. static electricity in the air b. the sudden heating of the air by a lightning bolt c. the movement of raindrops and hail within the cloud d. the formation of raindrops out of rapidly condensing water vapor?

How does the periodic table arrange the elements? A. in alphabetical order B. by chemical properties C. by the date they were discovered D. by how common they are on Earth

What is the inertial

A beam of light with a wavelength 760 nm in air travels in water. The index of refraction of water is 1.33. What is the wavelength in water?

45. An object with a mass of 25 kg accelerates east at a rate of 7 m/s? What fiet force is acting on the object?

The speedometer in your car reads 55mi/h this represents ___ of the car

What is the speed of a plane that traveled 1500 km in 2.5 hours? How far would that same plane travel in eight hours if it maintained a constant speed?

A 75 W lightbulb is being run on a 110 V outlet. Determine the resistance of the lightbulb. Provide a detailed description of the process.