A light with a second-order bright band forms a diffraction angle of 30.0°. The diffraction grating has 250.0 lines per mm. What is the wavelength of the light? 800 nm 1,000 nm 1,386 nm 1,732 nm

A sky diver jumps from a reasonable height above the ground. The air resistance she experiences is proportional to her velocity, and the constant of proportionality is k = 0.19.

A trampoline has a spring constant of 3430 N/m how far will the trampoline sink when a 70 kg person steps on it

What needs to happen for an ion to become positively charged?

Which of the following statement about the use of prescribed fires in the everglades is true

A painter uses a fixed pulley to raise a 1-Kg can of paint a distance of 10 cm. Calculate the ideal mechanical advantage.

What method of heat transfer does heat energy use to reach earth from the sun?

What is the spring constant (in n/m) of a spring that stores 100 J of elastic potential energy when it is stretched 5 m?

Assuming 100% efficient energy conversion, how much water stored behind a 50cm high hydroelectric dam would be required to charge a 50 ampere-minute 12 volt battery with 600j of energy stored in it

Institutions that anticipate and recognize significant external forces and modify their strategies and operations will prosper accordingly. True False

A constant force of 2.0 N is used to push a box 4.0 m across the floor. How much work is done?