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Question A. How does the decrease in gravitational potential energy of a falling ball compare to its increase in kinetic energy?
Question B. What happens to the total of the gravitational potential energy plus the kinetic energy as a ball falls?Data:
Question C. What happens to the gravitational potential energy (Energy #1) as the ball falls?Question D. What happens to the kinetic energy (Energy #2) as the ball falls?Question E. What is one reason that some of the energy is ‘lost’ as the ball falls?Question F. What does the “Total Energy – Time” graph tell you about the total energy of the ball as it falls?
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 32.12 seconds until it hits the ground, how far above the ground was the plan..
What is the turntables angular speed as the block
A 64-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 834 N. What is the acceleration of elevator.
One sphere is negatively charged, with net charge -2.25 mu C, and other sphere is positively charged, with net charge 4.00 mu C. The charge is uniformly distributed within the volume of each sphere.
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
A dog running in an open field has components of velocity = 3.4 and = -1.9 at time = 10.4. For the time interval from = 10.9 to = 24.7, the average acceleration of the dog has magnitude 0.45 and direction 25.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is momentum of the block
A helicopter is ascending vertically with a speed of 5.57. At a height of 124 above the Earth, package is dropped from a window. How much time does it take for the package to reach the ground?
Find the total work done on the car
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt.
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
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