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Use a vice to firmly clamp one end of a hacksaw blade. You twang the free end and it vibrates. If you do the same, but first place a wad of clay on the free end, how, if at all, will the frequency of vibration differ? Would it make a difference if the wad of clay were stuck to the middle? Explain
In 13.6 s, 220 bullets strike and embed themselves in a wall. What is the average change in momentum per second for the bullets
A 25 kg trunk strikes the ground with a speed of 12.5m/s. if no energy is lost from air resistance, what is the height from which trunk fell.
Ilya and Anya each can run at a speed of 8.40mph and walk at a speed of 3.00mph. Find Anya's average speed. How long does it take Ilya to cover the distance
q1. vector is along a measured trail and is 1310 m in a direction 27.0 deg north of east. vector is not along a
For the motion along the inclined plane, should the maximum kinetic energy of the cart be equal to the potential energy of the compressed spring (under ideal conditions)?
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
Two 22 centimeter focal length converging lenses are located 16.5 centimeter apart. Find where will the final image formed by the second lens be located? Evaluate the image distance from the second lens
calculate stopping distance from 62 mph for a vehicle with a tireroad friction coefficient equal to 0.6 0.8 and 1.0
A car is parked at the top of a 50 {\rm m}-high hill. It slips out of gear and rolls down the hill. How fast will it be going at the bottom
Two very small plastic balls of equal mass are released from rest. One of them carries +10 µC of excess charge and the other one carries +1µC of charge. No other charges or fields are present. Which of the following statements are true about them as ..
A 14.0 μF capacitor and a 5.50 mH inductor are connected in series with an open switch. Obtain the angular frequency of the charge oscillations in the capacitor after the switch is closed
A ball is hanging at rest when suddenly the line breaks. The time it takes for the ball to fall halfway to the ground is 1.2s. Discover the time it takes for the ball to fall from rest all the way to the ground.
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