A person rubs her hands together and they heat up

• kinetic energy

• light energy

• sound energy

• electrical energy

• chemical energy

• heat energy

(multiple choice)

A tiger travels 3m/s^2 for 4.1s, what was its initial speed if it's final speed was 55k/h?

How do the lights in a series circuit behave when one bulb burns out? The rest of the bulbs continue to shine at maximum brightness. The rest of the bulbs continue to shine at a lower brightness.

Select the correct answer from each drop-down menu. Brass and bronze are both A.___ of copper because copper is the B.___ component in brass and bronze. A. alloys composites variations void B. main most dense most expensive only

A man stretches a rubber band around a newspaper. What type of energy is stored in the rubber band as a result of this stretch? A) thermal energy B) rotational energy C) kinetic energy D) elastic energy

What is the smallest thing in universe?

When performing a Phase 4 workout, how many repetitions per resistance training exercise should be performed?

Technician A says a that a voltmeter can be used to monitor the output signal of an optical sensor. Technician B says that optical sensors should be tested with an oscilloscope because of the sensor's speed. Which technician is correct? A.

Similar poles of bar magnets attract each other. True False

When an object is charged, what type of subatomic particle is transferred between objects?

The windshield of a car has a total length of arm and blade of 9 inches, and rotates back and forth through an angle of 93degrees. What is the area of the portion of the windshield cleaned by the 7 -in wiper blade?