Where do clouds form? Select three options.

at the ground

in the upper atmosphere

near the Earth's surface

where the air has very low humidity

where the atmosphere contains few particles

An electromagnetic radio wave is received by a transmitter before it is converted to a sound wave. The radio wave has a wavelength of 23,076 m and a frequency of 13,000 Hz.

These types of electromagnetic waves are right next to red light on the electromagnetic spectrum: A. radio B. X rays C. infrared D. blue light

Which of the following are forms of asexual reproduction? Check all that apply.

A particle of charge q moves in a circle of radius a with speed v. Treat the circular path as a current loop with a constant current equal to the ratio of the particles charge magnitude to its period of motion.

Two technicians are discussing oil and filter changes. Technician A says that there should be a gasket in place on a spin-on oil filter when removed, and if not, that you should make sure the gasket isn't stuck to the engine mount.

What is the critical angle c for total internal reflection if the material is clear acrylic, with a refractive index of 1.5?

What is happening if energy input remains constant and voltage remains the same in a circuit, but the current decreases? A. The resistance has increased. B. The volts have decreased. C. The power has increased.

The velocity - time graph of a ball of mass 25g moving on road is as given below: (a) How much force does the road exert on the ball to bring it to rest? (b) What is the direction of the force exerted by the road?

A spring required a force of 5.0 n to compress it 0.1 m. How much work is required to stretch the spring 0.4 m?

ou purchase a rectangular piece of metal that has dimen - sions 5.0 * 15.0 * 30.0 mm and mass 0.0158 kg. The seller tells you that the metal is gold. To check this, you compute the average density of the piece.