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Assume that you hear a clap of thunder 16.9 s after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed of light is 3.00 X 108 m/s. How far are you from the lightning stroke?
It's generally okay to ignore relativistic effects when a particle's speed is less than 1.0% of the speed of light, Find the accelerating potential difference that will bring electrons to that speed, starting from rest
A cat rides a merry-go-round while turning with uniform circular motion. At time t1 = 2.00 s, What is the magnitude of the cat's centripetal acceleration
The period of a pendulum is proportional to the square root of its length. A 2.5 m long pendulum has a period of 3.0s
In measuring an RL circuit, you find that the total resistance of the circuit is 60 ohms and that t1/2 is 0.000836 seconds. Find the inductance of the circuit
A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder, estimate the acceleration of the system
the current density in a copper wire of radius 0.750 mm is uniform. the wires length is 6.00 m the end-to-end potential
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
a cylindrical resistor of length l 2 cm is constructed from an inner cylindrical core of radius r1 3.0 mm made from
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 20000 V. find the electron speed just before the electron strikes the screen
A lunch tray is being held in one hand, as the figure illustrates. The mass of the tray itself is 0.247 kg, and itscenter of gravity is located at its geometrical center. On the trayis a 1.01-kg plate of food and a 0.254-kg cup of coffee.
Let the mass of object 1 be m and the mass of object 2 be 3m. what are the velocities of the two objects after the collision
question suppose a car is traveling along a straight road at 40 mph. the car then brakes to a stop. does this violate
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