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

If you increase the force on a object what happens to the acceleration?

If wavelength is kept constant, which increases as the speed of a wave increases?

A car is moving with a constant speed of 15.0 m/s along a straight path. What is the distance covered by the car in 12.0 min? Question 2 options: 1.02 * 10-3 km 1.80 * 10-1 km 8.00 * 10-5 km 1.08 * 101 km

You must design a pair of slits for a demonstration in which the first minimum of the diffraction pattern sits at the same place as the 5th order maximum of the interference pattern.

A green light is submerged 2.90 m beneath the surface of a liquid with an index of refraction 1.35. What is the radius of the circle from which light escapes from the liquid into the air above the surface?

What method of heat transfer does heat energy use to reach earth from the sun?

What is the spring constant (in n/m) of a spring that stores 100 J of elastic potential energy when it is stretched 5 m?

Assuming 100% efficient energy conversion, how much water stored behind a 50cm high hydroelectric dam would be required to charge a 50 ampere-minute 12 volt battery with 600j of energy stored in it

Institutions that anticipate and recognize significant external forces and modify their strategies and operations will prosper accordingly. True False

A constant force of 2.0 N is used to push a box 4.0 m across the floor. How much work is done?