12. The source of the sun's heat is

The latent heat of fusion for water is 33.5 * 10⁴ J/kg, while the latent heat of vaporization is 22.6 * 10⁵ J/kg. What mass m of water at 0 °C must be frozen in order to release the amount of heat that 2.

If a car decelerates at a rate of 5.1 m/s, and its initial speed was 24 m/s. how long will it take the car to stop?

Once the causes of a problem with a product are identified, the next step is to a. communicate the solution. b. identify a need. c. redesign the product. d. build a prototype.

An X-Y graph with plots of observations allows sketching a trend line. What does the slope of the trend line represent? A. the rate of change in accuracy of the data B. the slope of the trend line has no meaning in experiments C.

During a baseball game a pitcher threw a baseball, and the catcher, who was behind home plate, caught it. Which is true about the pitcher when the catcher caught the ball? A) He saw the catcher catch the ball first.

A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much power is she using? A. 40 W B. 55 W C. 70 W D. 75 W

How is volume calculated directly and indirectly

Which state of matter has the greatest amount of particle movement?

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have

What is the meaning of heredity