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A spring is hung from the ceiling. A 0.375 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.106 m before momentarily coming to rest, after which it moves back upward.
(a) What is the spring constant of the spring?
(b) Find the angular frequency of the block's vibrations.
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of time the rocket is in the air
In a suspense-thriller movie, two submarines, X and Y, approach each other, traveling at 11 m/s and 20 m/s, How much is the Doppler shift
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.70 cm. find the friction force exerted by the nozzle on the stopper
Assuming that the bond energy holding together a water molecule is typical, use table below to estimate how various molecular bonds might be broken with this energy.
The thrust produced by a single jet engine, m = 6700 kg, creates a force of F = 67000 N. It takes the jet a distance of d = 0.8 km to take off. What is the take-off speed of the jet vt in m/s
A sphere of radius r starts from rest and rolls without slipping along a curved surface, Find the final speed v of the sphere's center of mass
Angular speed is the increased to 10 rad/2 over the next 4 seconds. Illustrate what is the average tangential speed at the edge of the grindstone during this time
A 12 kg block is at rest on a level floor. A 390 g glob of putty is thrown at the block such that it travels horizontally, hits the block, and sticks to it. what is the initial speed of the putty
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
An electrical engineer constructs a cylindrical solenoid of area 6 cm2 and length 20 cm from 160 m of thin wire. How much energy can the inductor store
A dentist's mirror is placed 2.1 cm from a tooth. The enlarged image is located 5.7 cm behind the mirror. (a) What kind of mirror (plane, concave, or convex) is being used
A vertical wall (7.2 m 2.8 m) in a house faces due east. A uniform electric field has a magnitude of 150 N/C. What is the electric flux through the wall
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