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Q1. A tennis ball is served at 73.12 m/s and was in contact with the racquet for .027 s and starts from rest. The ball has an acceleration of 2730 m/s^2. Compute the distance travelled by the ball throughout the serve.
Q2. A pipe open only at one end has a fundamental frequency of 214 Hz. A second pipe, initially identical to first pipe, is shortened by cutting off the portion of the open end. Now, as both pipes vibrate at their fundamental frequencies, the beat frequency of 11.6 Hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 343 m/s.
The lowest pedal note on a large pipe organ has a fundamental frequency of 16 Hz, What is the length of the open-closed pipe that makes that note
A skier is slinding downhill at 11 m/s when she reaches an icy path on which her skies more freely with negligible friction. find the speed of the skier at the bottom of the icy path
A photographer uses his camera, whose lens has a 50 mm focal length, to focus on an object 3.5m away. How far must the lens move to focus on this second object
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
An object has a total energy of 4.20 1015 J and a kinetic energy of 2.40 1015 J. What is the magnitude of the object's relativistic momentum
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
Find the slit width. compute the coefficient of kinetic friction between the slide and the child.
A bullet of mass 0.0022 kg initially moving at 496 m/s embeds itself in a large fixed piece of wood and travels 0.64 m before coming to rest. Imagine that an acceleration of the bullet is constant.
Charge is placed on two conducting spheres that are very far apart and connected by a long thin wire. Find the surface charge density on each sphere
If astronauts could travel at v = 0.950 c, we on Earth would say it takes (4.20 / 0.970) = 4.42 years to reach Alpha Centauri, 4.20 light-years away. The astronauts disagree. How much time passes on astronauts' clocks? What is the distance to Alph..
A 7.00 g bullet, when fired from a gun into a 1.00 kg block of wood held in a vise, penetrates the block to a depth of 8.00 cm. To what depth will the bullet penetrate the block in this case
A copper flask with a volume of 80 cm^3 is filled to the brim with olive oil. If the temp of the system is increased from 8C to 52C, how much oil spills
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