An echo is an example of sound wave

Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B says that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct? a. technician A only b.

A small sphere with a mass of 441 g is moving upward along the vertical + y-axis when it encounters an electric field of 5.00 N/C. If, due to this field, the sphere suddenly acquires a horizontal acceleration of 13.

Compare the forces in a small nucleus to the forces in a large nucleus

What kind of tide happens during a last quarter moon? Spring tide Neap tide Extreme tide Low tide

An ideal pendulum is often discussed when studying simple harmonic motion. What are the conditions needed for an ideal pendulum? Check all that apply. A) Gravitational force acts to pull the pendulum's mass down.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.