A sample of water with mass of 587.00 is heated with 87 kj of energy to a temperature of 518.4 K. The specific heat of water is 1 J-1 kg K-1. What is the initial temperature of the water?

What do diffraction and refraction have in common? pick only one They both involve interference. They both involve wave interactions. They both involve reflection. They both involve construction.

Why do you think the wind speeds on gas giant planets are much greater than on earth

The distance between slits on a diffraction grating is 0.60 mm, and one of the angles of diffraction is 0.30°. The light forms a second-order bright band. How large is the path difference? 1047 nm 1571 nm 3142 nm 6284 nm

In a certain region of space, the electric field is zero. From this fact, what can you conclude about the electric potential in this region? (a) It is zero. (b) It does not vary with position. (c) It is positive. (d) It is negative.

The 0.18 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by the following equation.

Which describes a property shared by ultraviolet light and X-rays? A They are both transverse waves. B They share the same wavelength. C They contain less energy than visible light. D They both require a medium to travel through.

What is the potential energy called that is associated with objects that can be stretched

Which of the following is not a current use of radioisotopes? medical diagnosis sterilization of equipment detection of leaks in building structures light fixtures

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a