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The string on a string bass vibrates at a fundamental frequency of 54 Hertz. If the string's tension were increased by a factor of 5, find what would be the new fundamental frequency?
------------ HZ
Unpolarized light with intensity I0 is incident on two polarizing filters. The axis of the first filter makes an angle of ? = 60 ? with the vertical, What is the intensity of the light after it has passed through the second filter
A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diame..
Now your cousin wants to go on the playground slide, which is 1.5 meters long and has an incline of 30 degrees. what is her final velocity in ms when she reaches the bottom
A lead fishing weight with a mass of 57.0g absorbs 146cal of heat. If its primary temperature is 50 C, what is its final temperature.
A 0.16-kg ball on a stick is whirled on a vertical circle at a constant speed. Find the tension in the stick
question1a boat crosses a river of width 228 m in that the current has a uniform speed of 1.97 ms. the pilot maintains
A lens of focal length 10cm produces a real image with magnification of 2. Find the object and image distances and characterize the image
A 60.0 kg crate is slid up an inclined ramp 2m long onto a platform 1.6 m above the floor level. A 452 N force, parallel to the ramp, is needed to slide the crate up the ramp at a constant speed. How much work is done in sliding the crate up the r..
A crate of mass 12.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, What is the change in kinetic energy of the crate
A car is stopped at a traffic light. When the light turns green it accelerates at 2.5 m/s2 for 16 seconds. How many seconds does it take from start to stop
If a rubber ball of mass 1.0 kg is dropped from a height of 2.0 m and rebounds on the first bounce to 0.75 of the height from which it was dropped, how much energy is dissipated through the collision with the floor?
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
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