A wave has a wavelength of 30 mm and a frequency of 5.0 hertz. What is its speed?

Lenses are described as convergent or divergent depending on how they refract light. What is the difference between these two types of lenses?

The composition of an igneous rock depends primarily on:

Why do the passengers on a high-flying airplane not appear weightless, similar to the astronauts on the space station?

Two cars collide in an intersection. the hoods of both cars collapse and the two cars rebound off each other. what type of collision was this

If you place a large number of electrons in one small spot on a conductor, they immediately redistribute themselves on the surface because they repel one another.

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. Since a lot of damage is done on the car : Select one: a. the force on the truck is smaller than the force on the car. b.

Acceleration can be best described as: The ability of an object to stay still. The ability of an object to speed up. The ability of an object to stop. The ability of an object to slow down.

A carnot engine rejects 80 mj of energy every hour by transferring heat to areservoir at 10°c. determine the temperature of the high-temperature reservoir and the power produced if the rate of energy addition is 40 kw.

When monochromatic light passes through the interface between two unknown materials at an angle θ where 0∘<θ<90∘, no changes in the direction of propagation of light are observed. What can be said about the two materials? A.

An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right.