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If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will respong to a tuning fork of frequency 112 Hz? Answer in cm.
A heavy ball with a weight of 150N is hung from the ceiling of a lecture hall on a 4.8-m-long rope. What is the tension in the rope at that point
An object is launched at a speed of 22 m/s at an angle of 31 degrees above the horizontal from the top of a building at the edge of the building. When the object lands on the ground, it hits the ground at an angle of 68 degrees below the horizon..
lenzs law is said to be a consequence of the principle of conservation of energy. explain this statement by describing
A generator consists of 250 turns of wire each with a radius of 8.7cm. The armature turns with a frequency of 120r/s in a magnetic field of 0.86T. What is the the maximum emf generated?
A convex mirror has a radius of curvature of 89 cm. An image is produced 40 cm in front of the mirror. Where is the object
A 14.0 V battery is connected in series by a resistor and an inductor. The series circuit has a time constant of 600 µs, and the maximum current is 303mA. What is the value of the inductance?
Explain the terms amplitude, frequency, angular frequency, and period as they apply to the Uniform Circular Motion and other oscillating systems
The bullet becomes embedded in the block. If the bullet block system compresses the spring by a highest of 84- cm, what was the speed of the bullet at impact with the block.
If you wanted to develop a telescope, what kind of lenses would you use for the objective lens (the lens that collects the light) and the eyepiece? Explain your reasoning. Draw a picture with ray tracing of your setup.
A novice skier, starting from rest, slides down a frictionless 35.0 Degrees incline whose vertical height is 185 m. How fast is she going when she reaches the bottom
A 2.20 kg object is suspended from a spring with k = 18.00 N/m. The mass is pulled 0.35 m downward from its equilibrium position and allowed to oscillate. What is the highest kinetic energy of object.
Distinguish between speed and velocity and Under what condition(s) is the magnitude of average velocity of an object equal to its average speed
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