Answer:
The pressure produced on the air in the pump is 37.209 pounds per square inch.
Explanation:
By definition, the pressure is the force exerted on the piston divided by its area. Given that, force is distributed uniformly on the piston area, the formula to determine the pressure is:
Where:
- Pressure, measured in pounds per square inch.
- Force exerted on the piston, measured in pounds.
- Piston area, measured in square inches.
If 
and 
, the pressure produced on the air in the pump is:
The pressure produced on the air in the pump is 37.209 pounds per square inch.
The second wire has 1/2 the <u>radius</u> of the first wire.
Now the area of a circle is (A =π r²) ... the area changes in proportion to the SQUARE of the circle's radius.
So if you cut both wires exactly perpendicular to their lengths, and look at the circular end where the cut is, the second wire has only 1/4 the cross-section AREA of the first wire. Current in the second wire is trying to squeeze through a pipe that only has 1/4 the space to carry it.
The resistance of a piece of wire-2 is 4 times the resistance of a piece of wire-1 with the same length.
The resistance of wire-2 is (4 x 0.5 ohm) = <em>2 ohms</em> .
<span>10 meters per second. The formula is F = ma, so to solve we substitute 20 for F, 2 for m and then solve for a. 20 divided by 2 - 10, therefore the acceleration is 10 meters per second.</span>
100 g lead target. Lead has a very high density which means even a very small volume and weight quite a lot. So because the lead target weighs only 100 g it's going to be small in size compared to other targets which are all made of lesser dense materials than lead.
The gravitational force between two objects may be calculated by the equation,
F = G x (m1 x m2) / d²
where G is universal gravitational constant, m1 and m2 are the masses of two bodies and d is the distance between them. Substituting the known values,
9.20 x 10^-9 = (6.673 x 10^-11) (5.01 kg x m2) / (0.192m)²
The value of m2 is approximately 1.01 kg.
