The region where electrically charged ions are formed as a result of the absorption of solar energy is called the

a.

troposphere.

c.

ionosphere.

b.

lithosphere.

d.

exosphere.

Following an inelastic collision, what can kinetic energy be converted into? Check all that apply. heat impulse momentum potential energy sound

What is the bohr diagram for flourine

A 19.0-μF capacitor and a 44.0-μF capacitor are charged by being connected across separate 45.0-V batteries. a. Determine the resulting charge on each capacitor. (Give your answer to at least three significant figures.) b.

Many solid air fresheners work by releasing particles into the air. Which change of state is this an example of? A. Melting B. Condensation C. Freezing? D. Sublimation

A package was determined to have a mass of 5.7kilograms. what's the force of gravity acting on the package on earth? (a) 37.93N (b) 1.72N (c) 13.44N (d) 55.86N

How does an electromagnetic wave propagate itself? a. A changing magnetic field induces an electric field perpendicular to the magnetic field. b. A changing electric field induces a magnetic field perpendicular to the electric field. c.

Which of the following is an example of convection? A. hot air rising and cooler air falling B. a hot object transferring heat to a cooler one C. a hot oven warming the air around it D. the rays of the Sun warming the earth

A 50,000 kg locomotive is traveling at 10 m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop? Assume the track is level.

A rectangular loop of wire with sides 0.262 and 0.401 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.

In the system you're inspecting the damper motor isn't working, You decide to see if the damper-postion sensor us sending the proper signal to the which then signals the damper motor. A. heating coil B. duckwork c. energy source D. controller