Why are some appliances called vampires

Juan is standing on the street. An ambulance moves toward him and then passes by. What best describes the pitch that Juan heats? (A) the pitch remains constant as the ambulance moves toward and then away from Juan.

The reason most atoms undergo nuclear decay is because

A rocket is moving with constant velocity of 2000ms and accelerates uniformly at 10ms. What is the velocity after 5 minutes?

What is the temperature of the lithosphere?

Which of the following is not a transverse wave? A) soundB) lightC) radioD) all of theseE) none of these

Why does a gymnast rub powder on his hands before exercising on a set of parallel bars? (I need a scientific answer)

Which expression is a measurement of density? 5.2 cm 3 0.71 mg 20 g/cm 2 5.13 kg/l?

Which of these statements is a fundamental part of Keynesian economics? a. The federal government should have a balanced budget every year to protect economic growth. b.

Hiroto needs to record the volume of liquid in a graduated cylinder. He holds the graduated cylinder up at eye level, but it is slightly tilted. Hiroto records the volume as 32 mL. The actual volume is 30 mL.

The waste products of combustion leave the internal combustion engine through the: A. crankshaft, B. exhaust valve. C. cylinder. D. intake valve.