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spring is compressed by 0.0925 mand is used to launch an object horizontally with a speed of3.83 m/s. If the object were attachedto the spring, at what angular frequency (in rad/s) would it oscillate? rad/s
A 0.19-kg stone is held 1.4 m above the top edge of a water well and then dropped into it, What is the change in gravitational potential energy of the system from release to reaching the bottom of the well
If a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion
What is the relationship between current and magnetic force, What is the relationship between the length of the wire and the magnetic force
A ball is dropped from a height of 4 m and makes an elastic collision with the ground. Assume that no mechanical energy is lost to air resistance. Is the motion simple harmonic
A Nichrome heater dissipates 450 W when the applied potential difference is 110 V and the wire temperature is 700°C. What would be the dissipation rate if the wire temperature were held at 200°C by immersing the wire in a bath of cooking oil? The app..
The linear impulse delivered by the hit of a boxer is 248 N • s during the 0.373 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? React in units of N
Two cylindrical glass beads each of mass m = 32 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is μs = 0.3. The beads are then gi..
A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, What is the initial current through the patient
Giancoli, page 30 --when they say that x-xo increases with the square of the initial speed. Why do they say square of initial speed only, what about square of final speed? And why do they ignore that the distance also decreases by a factor of 2.
A very long wire is held under tension by suspending weights from an end that passes over a pulley. What is the speed of the traveling speed
What are speed and direction of the ball after the collision
A bus contains a 1440 kg flywheel ( a disk that has a 0.670 m radius ) and has a total mass of 9400 kg. Calculate the angular velocity of the flywheel
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