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Q. Two cars move toward each other at the same speed. One car emits a frequency of 400.0 Hz which the other car hears at 500.0 Hz. How fast is each car going?
Q. A 0.250 kg block on a vertical spring with a spring constant of 500x 10^ N/m is pushed downward, compressing the spring 0.100m. when released, the block leaves the spring and travels upward vertically. how high does it rise above the point of release.
A meter stick with a mass of 89.5 g is being supported at the 50 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of stick about that point is 0.00746 kgm^2. What is the period of oscillation ..
In order to clearly read a book 24 cm away, a farsighted girl needs an image to be 35 cm from her eyes. What focal length is necessary for lens in her eyeglasses.
A 80 g, 37 cm long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 15 g ball of clay traveling horizontally at 2.7 hits and sticks to the very bottom tip of rod.
what happens to light of a particular frequency when it is incident upon the material that natural frequency is the same as the frequency of the light.
Find out a magnitude and direction of the electric field
How rapidly atom are assembled in this protein synthesis
How long will it take you to cover the 99 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.5 m/s relative to the walkway.
W hat is the ratio of an amplitude of the damped oscillations
A coffee filter of mass 1.4 grams dropped from a height of 3 m reaches ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.
A high-voltage transmission line with the resistance of 0.30 /km carries a current of 950 A. The line is at a potential of 710 kV at the power station and carries the current to a city located 161 km from the station.
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