A 2.5-kg rock is dropped off a 32-m cliff and hits a spring, compressing it 57 cm. What is the spring constant? Round your answer to two significant figures.

Kobes death do you think that the way the weather was that day is the cause of the helicopter crash or was it just defalty

For hundreds of years humans have been adding chemicals and other pollutants to the earths water supply. Can earths water ever be clean and pure again? What is clean and pure water?

In a physics lab, Asha is given a 10.5 kg uniform rectangular plate with edge lengths 66.3cm by 52.1cm.

Particle A of charge 3.06 10-4 C is at the origin, particle B of charge - 5.70 10-4 C is at (4.00 m, 0), and particle C of charge 1.08 10-4 C is at (0, 3.00 m). We wish to find the net electric force on C.

Solve without using a calculator. on a cold day near the ocean, it was found that 8 g of an unknown gas occupies a volume that is a little less than 6 l. based on this information, what is the most likely identity of the unknown gas?

Why cooking pans don't have have metal handles?

Why will marchers at the end of a long parade following a band be out of step with marchers nearer the band

How would you explain photosynthesis to a new student in class

If the abosolute of a gas is 600 k, the temperature in degrees Celsius is

How does an electromagnetic wave propagate itself? a. A changing magnetic field induces an electric field perpendicular to the magnetic field. b. A changing electric field induces a magnetic field perpendicular to the electric field. c.