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A 25 g bullet traveling at 475 meter per second hits a tree and slows uniformly to a stop while penetrating a distance of 6.75 centimeter in the tree's trunk.
(a) Find the force exerted in the bullet by the tree to bring the bullet to a stop?
(b) Find how much work did the tree have to do to stop bullet?
(c) Use the energy equations to find the highest point the bullet could reach of the gun was shot straight up into the air.
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 228 N/m and the mass is 454 g, Determine the mechanical energy of the system
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A single conservative force F(x) acts on a 3.2 kg particle that moves along an x axis. What is the mechanical energy of the system
A machine shop has 100 equally noisy machines that together produce an intensity level of 90db. If the intensity level must be reduced to 80db, how many machines must be turned off
Assume The resistance per length of the wire is 0.089 Ω/m. When the magnetic field is 0.5 T, find out the magnitude of the current through middle leg PQ of the circuit.
LC oscillators have been used in circuits connected to loudspeakers to create some of the sounds of electronic music. which is in the audible range of frequencies
Walking by a pond, you find a rope attached to a tree limb 6.0 m off the ground. You decide to use the rope to swing out over the pond. What is the maximum safe initial angle between the rope and the vertical so that it will not break during the swi..
During a 10 minute period, 30 grams of steam condenses into water. How much energy flowed out of the water-steam mixture, What is the change in the entropy of the water-steam mixture
A 16.0 kg rock is initially at rest upon a level table. A person suddenly pushes against the rock in the horizontal direction with a force of 8.0 N. FIND the velocity of the rock after 1.5 s
The average speed of the atoms in a 3.9 g sample of helium gas is 607 m/s. Estimate the thermal energy of the sample
while taking photographs in death valley on a day when the temperature is 57.0degc bill hiker finds that a certain
A fire hose must be able to shoot a stream of water a specified height, straight up. Calculate the gauge pressure (difference between actual pressure
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