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A trumpet player standing at rest plays a note of frequency 1200 hertz. An observer in a automobile driving nearby hears a Frequency of 1100 hertz. Determine the speed of the automobile and weather it is driving toward or away from the trumpeter.
A hand grenade is thrown with a speed of v0 30 m/s, and a 60 degree angle with x-axis, just prior to exploding. It breaks into two pieces of equal mass after the explosion. One piece has a final velocity of 40 m/s along x. Find the velocity of t..
A uniform rod of mass M and length L is sitting on a frictionless table. Describe the subsequent motion of the rod
When the switch was first closed to charge the capacitor, what was the effective resistance of the capacitor when it was fully charged
A 52-kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s, determine her altitude as she crosses the bar
Suppose a light bulb is rated for a voltage of 1.8 V. At this voltage is draws a current of 0.054A, Using Ohm's Law, determine the resistance of the bulb
A bob of mass m = 0.300kg is suspended from a fixed point with a massless string of length L = 21.0cm, What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 24.0
DEFINE the terms " Cofficient of Static Friction" and " Cofficient of Kinetic Friction, The force probe reading will represent the frictional force
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.32s, What is the weight of the grapes
If a compressive force of 3.2×104N is exerted on the end of a 18cm long bone of cross-sectional area 4.3cm2 , will the bone break, By how much does it shorten
Particle A and particle B are held together with a compressed spring between them. When they are free, the spring pushes them apart and they after that fly off in opposite directions, free of the spring.
The equations for free fall at the surface of Mars and Jupiter (s in meters, t in seconds) are Mars, s = 1.86t^2; Jupiter, s = 11.44t^2. How long would it take an object falling from rest to reach a velocity of 100 km/hr on each planet?
A block rides on a piston that is moving vertically with simple harmonic motion. If the SHM has period 4.7 s, at what amplitude of motion will the block and piston separate
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