90 percent if amphibians are ... ? (Choose all that apply) a. Frogs b. Toads c. Newts d. Salamanders e. Caecillans

The average mass of an automobile in the United States is about. The mass of a mosquito is 10 mg. The mass of an electron is Use order-of-magnitude calculations to estimate how many times more massive both a mosquito and an automobile are when

What creates an electric force field that moves electrons through a circuit? a. energy source b. load c. metal wires d. resistance

This is the constructive or destructive overlap of waves. Example: the high pitched feedback when a microphone gets too close to a speaker

If the student had a mass of 88.6 what would his weight be

A scuba tank, when fully submerged, displaces 14.3L of seawater. The tank itself has a mass of 12.4 kg and, when "full," contains 2.91kg of air.

What is a Nuclei of uranium atoms split apart

The velocity a rocket must reach to establish an orbit around Earth is called a. thrust velocity. c. artificial velocity. b. orbital velocity. d. escape velocity.

What is striking a match an example of? A) providing activation energy to a physical reaction B) providing activation energy to a chemical reaction C) an endothermic reaction D) an endothermic process

From Energy Graphs (LOLs) Again: Scenario 4 Hitting a Golf Ball Mass of the golf ball is 0.045 kg and has a forward velocity of 41 m/s due to the hit by the club. 9. What is the kinetic energy of the ball after being hit when its speed is 42 m/s? 10.

Which scientist proposed the idea of a sun-centered solar system instead of an earth-centered solar system?