If you are six feet tall how far back from a 3 foot mirror do you have to stand in order to see yourself completely?

Which phenomenon related to light allows scientists to measure the distance between a star and Earth? A. Dark patches appear in the electromagnetic spectrum emitted by stars. B. Light waves spread out as they move farther from their source. C.

Which of the following are voltage sources? a. ohm's law b. resistance c. electric charge d. batteries and wall sockets

What's the relationship between geology and the biosphere

A tv has a power of 110 watts and an efficiency of 75 percent. how much power is wasted as heat? A. 4.4w B. 82.5w C. 27.5w D. 1.5w

What is the formula for a molecule containing three Calcium atoms (Ca) and three Chlorine atoms (CI) ? O3Caci cacla CazCl3 O CA₃CL3

What is a Ramjet engine?

An airplane started at a distance of 20 km from Chicago and flew directly away from it. 10 minutes later, the airplane was 55 km from Chicago. If dis the distance of the airplane from Chicago, what is Ad? A. 10 km B. 55 km C. 35 km D. 20 km

An alpha particle travels at a velocity of magnitude 550 m/s through a uniform magnetic field of magnitude 0.045T. (An alpha particle has a charge of charge of + 3.2 x 10-19 C and a mass 6.

A woman tries to put lipstick in the car. She has to come to a fast stop, and the lipstick falls to the floor and rolls forward, under the brake pedal. She dies. Why does this happen?

The slope of the line on any speed vs time graph is equal to the objects?