A(n) ______ force is the overall force on an object after all the force are added together.
2 answers:
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<h2>Answer:2.65 seconds</h2>
Explanation:
Let be the acceleration.
Let be the initial velocity.
Let be the final velocity.
Let be the time taken.
As we know from the equations of motion,
Given,
Answer:
Explanation:
Given that,
Pressure, P = 1 atm = 101325 Pa
Area of the square surface, A = 10² = 100 m²
We need to find the mass of vertical column of air. We know that, pressure is equal to the force acting per unit area. So,
So, the required mass of the vertical column of air is .
Answer:
150 inches (12.5 ft)
Explanation:
The work done to lift the 500 pound block 3 inches should be the same as that to lift the 10 pond object a given distance.
The following is the equation one needs to solve:
therefore solving for the distance "x" gives as the answer (in inches):
which can also be given in feet as: 12.5 ft