When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a

a. flat metal washer.

b. hexagonal aluminum shoulder.

c. steel nut.

d. mica washer.

Is everyone in your class able to hear a quiet sound equally well?

A ball slows down as it rolls up a hill this is an example of

The law of reflection states that if the angle of incidence is 56 degrees, the angle of reflection is ___ degrees.

What is KE if mass = 5kg and velocity = 15m/s

A 3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting?

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.