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A toboggan approaches a snowy hill moving at 12.4 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.400 and 0.290, respectively, and the hill slopes upward at 44.0 degrees above the horizontal. What is the acceleration of the toboggan going up the hill? and the acceleration after it has reached its highest point and it sliding downhill?
Tension is maintained in a string as in the figure below. What is the mass per unit length of the string
At T=20degreesC , how long must an open organ pipe be to have a fundamental frequency of 313Hz ? Q 2)If this pipe is filled with helium, what is its fundamental frequency
A 45.5-g golf ball is driven from the tee with an initial speed of 47.3 m/s and rises to a height of 30.4 m. Neglect air resistance and determine the kinetic energy of the ball at its highest point
In a location where the speed of sound is 346 m/s, a 2000 Hz sound wave impinges on two slits 30 cm apart. At what angle is the first-order maximum located
In NYU's Diffraction and interference lab for general physics 2, what are the widths given on the slide with the double slits. On the lab manual it says they were given on the slide.
A car accelerates from rest at a constant rate of 2m/s2 for 5s. At the end of this time the speed of the car is 10 m/s. How far does the car travel in this time
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.00m/s. At the equal time, it has the horizontal velocity of 55 m/s
A mass of 1.7kg stretches a vertical spring 0.313 m. If the spring is stretched an additional 0.13m and released, how long does it take to reach (new) equilibrium position again.
Because of the Earth's rotation, a plumb bob does not hang exactly along a line directed to the center of the Earth. How much does the plumb bob deviate from a radial line
What potential difference is required to bring the proton to rest? What potential difference is required to reduce the initial speed of the proton by a factor of 2? What potential difference is required to reduce the initial kinetic energy of the pro..
A car with good tires on a dry road can decelerate at about 5.0 m/s2 when braking. Suppose a car is initially traveling at 55 mi/h. (a.) How much time does it take the car to stop.
An iron bolt of mass 60.0 g hangs from a string 33.1 cm long. The top end of string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 27.0 cm to the right from the previously vertical l..
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