What can keep ice from melting

Which statement summarizes the difference between a law and a theory?

How much power is used to lift a 1.9 kg brick 1.9 in 2. s

A wave ripples through a large flag when the wind blows steadily. What is the wavelength of the wave if its frequency is 12.0 hertz and its speed is 12 meters per second?

1. A body whose mass is 2 kg and has a volume of 500cm just floats when completely immersed in a liquid. Calculate the density of the liquid

What is the velocity of a car traveling a distance of 49 meters North in 7 seconds?

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas