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Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2 . A hockey player hits a puck with his stick, giving the puck an initial speed of 4.6m/s . If the puck slows uniformly and comes to rest in a distance of 22m , what is the coefficient of kinetic friction between the ice and the puck?
implies a serious limit to such detection. (Note also that the uncertainty is greater if there is an uncertainty in the propagation speeds of the S- and P-waves).
Three capacitors are arranged. C1 has a capacitance of 3 pF, C2 has a capacitance of 6 pF, and C3 has a capacitance of 9 pF. Find out the voltage drop across the entire arrangement if the voltage drop across C2 is 249 V.
The walls of a blackbody cavity are at a temperature of 27 degrees C. find the frequency of the radiation of maximum intensity
A 550 N physics student stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 450N. (a) Find the acceleration of the elevator. Find the mass of the worker.
A bucket is made from thin sheet metal. The bottom and top of the bucket have radii of 21.0 cm and 39.0 cm, respectively. The bucket is 30.0 cm high and filled with water. Where is the center of gravity.
A flight attendant pulls her 72.0 N flight bag a distance of 282 m along a level airport floor at a constant speed. The force she exerts is 33.0 N at an angle of 52.0° above the horizontal.
A group of hikers hears an echo 5 s after shouting. If the temperature is 16.0°C, how far away is the mountain that reflected the sound wave.
An archer puts a 0.33 kg arrow to the bowstring. An average force of 183 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
For a movie scene, a 75kg stuntman drops from a tree onto a 55kg sled that is moving on a frozen lake with a velocity of 15m/s toward the shore, What is the speed of the sled after the stuntman is on board
When a 6.0 µF capacitor is connected to a generator whose rms output is 30 V, What is the frequency of the source
A 110 turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1700 rev/min, Calculate the maximum emf induced in the coil by the Earth's field
A radar system can measure the time delay between the transmitted and reflected wave pulses from a distant airplane with an accuracy of 1.02 picoseconds. What is the accuracy in the calculated distance to the plane
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