Which two simple machines are part of an axe?

A. lever and wedge

B. blade and handle

C. inclined plane and screw

D. wedge and inclined plane

When the angle of incidence is above the critical angle, what law does light obey?

It's a hot and sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter than outside. Why is that

A red car with a mass of 3.0 kg traveling at 8 m/s collided with a blue car with a mass of 2.0 kg, which is at rest. The velocity of the blue car after the elastic collision is 9.6 m/s. What is the velocity of the red car?

15. Describe how the speed of sound would change as it first travels through a Solid: Liquid: Gas: (2pts)

Light travels from air (n = 1) into a tank of water (n = 1.33) and continues on into a layer of glass (n = 1.5). The light strikes the air-water interface at θi = 45°. What angle does the beam make to the normal line inside the glass (i. e.

The vector quantity that defines the distance and direction between two positions.

Which statement is true? Select one of the options below as your answer: A. Quarks always occur in groups with leptons. B. Quarks always occur independently. C. Quarks always occur in groups with other quarks. D.

Peat is actually the early stage of

Explain how electric current is able to flow.

What is the angle between a rigid object and the force applied to it that yields torque using the equation T=Fd?