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Tarzan, mass 85 kg, swings down on the end of a 20-m vine from a tree limb 4.0 m above the ground. Sketch the situation.
1. How fast is Tarzan moving when he reaches the ground?
2. Does your answer to a depend on Tarzan’s mass?
3. Does your answer to a depend on the length of the vine?
A quantity of ideal gas requires 800 kJ to raise the temperature of the gas by 10.0 K when the gas is maintained at constant volume. What is the adiabatic gas constant of this gas
A 1.9x10^14 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.05x10^8 m/s
A series ac circuit contains a 190 ohms resistor, a 14.0 mH inductor, a 4.50uF capacitor, and an ac power source of voltage amplitude 45.0 V operating at an angular frequency of 360 rad/s
A model airplane of mass 0.870 kg is flying at constant speed in a horizontal circle at one end of a 28.0 m cord and at a height of 17.0 m. What is the acceleration of the plane
A stamp collector is viewing a stamp by a magnifying glass held next to her eye. Her near point is 25 cm from her eye. What is the refractive power of a magnifying glass that has an angular magnification of 6.0 when the image of the stamp is located ..
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 360. When a jet aircraft is taking off, the sound intensity level experienced by the crew member is 91 dB. What would the sound intensit..
A tennis ball is struck at the base line of the court, 13.3 m from the net. The ball is given an initialvelocity with a horizontal component equal to 22.0 m/s at an initial elevation of 1.45 m.
the value of w is about 4.24 ev for zinc. what is the maximum wavelength that light falling on the zinc can have if it
A spherical bowling ball with mass m = 4 kg and radius R = 0.108 m is thrown down the lane with an initial speed of v = 8.8 m/s. How far does the bowling ball slide before it begins to roll without slipping
Assume that a low-density gas has only one resonant frequency, ?0, and show that n ? Nq^2 / (2?0me(?0^2-?^2) ) starting with n^2 = Nq^2 / (2?0me(?0^2-?^2) ). Fully justify any mathematical expansion you employ.
When light of wavelength 378 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.9 eV. What is the threshold frequency
A deuteron particle (the nucleus of an isotope of hydrogen consisting of one proton and one neutron and having a mass of 3.34×10?27 kg) moving horizontally enters a uniform, vertical, How fast was this deuteron moving just before it entered the mag..
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