What device is used on a power tool's universal motor to provide a burnout-proof motor?

a. Current relay

b. Circuit breaker

c. Thermal protector

d. Fuse

Which of the following is true of the relationship between the moon and the earth The moon rotates around the earth The moon rotates around the sun The earth revolves around the moon The moon revolves around the earth

How long does it take a car traveling at 50.7 mi/hr to travel to 655 miles?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

A guitar string is 1.75 m. Calculate the wavelength of the 78th harmonic * A) 78 m B) 0.02 m C) 0.04 m D) 0 44.60

If a force of 27 N is applied to an object with a mass of 6 kg, the object will accelerate at m/s2

Scientists can find the absolute age of a rock by using a uranium 235 dating b carbon 14 dating c carbon 12 dating d relative dating

What do scalars measure force acceleration magnitude velocity

Why do metals differ in specific heat? why is Al much higher than gold

Witch kind of force do you exert on an object when you pull towards you A-Applied force B-Attractive force C-Drag force D-Normal force

a solid sphere is rolling without slipping along a horizontal surface with a speed of 5.5 meters per second when it starts up a ramp that makes an angle of 25 degrees with the horizontal what is the speed of the sphere after it has Road 3M up the