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A ball and bat, approaching one another each with the same speed of 1.1 m/s collide. Find the speed of the ball after the collision. (Assume the mass of the bat is much much larger than the mass of the ball and that this is an elastic collision with no rotational motion).
For the previous problem, find the factor by which the kinetic energy of the ball increases due to the collision.
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. Illustrate what force does the block exert on the bullet? What is the time it takes?
A spaceship leaves Earth traveling at 0.65 c. A second spaceship leaves the first at a speed of 0.80 c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth
Given you have a 1000 kg automobile with an Otto cycle engine, compression ratio of 10. estimate the real engine losses due to friction and drag
The spheres are then separated so that there is a distance of 200mm between their centers. What is the force between them?
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth? A bucket of water weighs 48.2 N. What is the mass of the bucket and water?
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. What minimum speed will allow the ball to clear the roof
A spaceship of proper length 306 m takes 0.70 µs to pass an Earth observer. find the speed of this spaceship as measured by the Earth observer.
What is the energy stored in the inductor after the switch has been closed for a very long time? Take V = 15 V, R = 1400 ? and L = 20 mH
In your lab is a steel vessel having a volume of 15.0L you charge the vessel with 2.00 moles of H2 and 1.00 moles of O2. What is the partial pressure of the hydrogen
A molecule of DNA (deoxyribonucleic acid) is 2.07 µm long. The ends of the molecule become singly ionized: negative on one end, Determine the effective spring constant of the molecule
as you get closer, you notice that it is GODZILLA!! and he sees you! and begins to come after you!! if you are now moving away at 15 m/s, what is the new frequency you detect from GODZILLA
Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force of 9300 N. Illustrate what does the scale read during the acceleration?
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