Which of the following does not represent a mechanical wave?

sound

waves in the ocean

waves in a wheat field

light

If a solid is 180g what is the density

Which of these is a likely impact of stronger than normal trade winds in the Pacific Northwest of the United States?

The process of conversion of solid into gas and again gas into solid is known as

How does a generator convert mechanical energy into electrical energy?

A uniform electric field of magnitude 31 V/m makes an angle of 30∘ with a displacement of length 10 m.

Study the scenario. As a spacecraft moves beyond Pluto, its thrusters are turned on for a short time to boost its speed to approximately 32,500 mi/h. The thrusters are then turned off.

What produces an electromagnetic wave? A) An oscillating or accelerating electric charge B) An electric charge moving at constant velocity C) A static electric charge D) A magnetic monopole moving at constant velocity

A physics book has a height of 25.8 cm, a width of 20.2 cm, and a thickness of 2.90 cm. (a) What is the density of the physics book if it weighs 20 N? kg/m³ (b) Find the pressure that the physics book exerts on a desktop when the book lies face up.

A 24 volt battery is connected to a 3Ω resistor and a 5Ω resistor in series. What is the current in the circuit?

Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brakes may be out of adjustment.