The thin membrane that divides the outer ear from the middle ear is known as the:

A human being can be electrocuted if a current as small as 55 mA passes near the heart. An electrician working with sweaty hands makes good contact with the two conductors he is holding.

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by the expression v = (-5.15 multiplied by 107) t2 + (2.30 multiplied by 105) t, where v is in meters per second and t is in seconds.

Q1. Give 2 characteristics of high mass stars

What is the maximum speed at which a car could safely negotiate a curve on a highway, if the radious of the curve is 250 m and the coefficient of friction is 0.4? Give the answer in meter/sec.

Which of the following statements describes a battery? Batteries store electric charge. The negative electrode of a battery has an excess of positive charge. Batteries use electrolytes and similar metals to produce a flow of electrons.

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?