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You are riding a Ferris wheel and you wonder about the motion of the ride. You calculate the radius of the big wheel to be15 meter, and you use your watch to obtain that each loop around takes25 seconds.
a. Find your speed and magnitude of your acceleration?
b. Find the ratio of your weight at the top of the ride to your weight while standing on the ground?
c. Find the ratio of your weight at the bottom of theride to weight while standing on the ground?
A 150g ball has a kinetic energy 27.2J. What's the magnitude of its momentum? Next, use that answer to find its speed. Express your answers with the appropriate units.
A light beam strikes a piece of glass at a 72.00^\circincident angle. The beam contains two wavelengths, 450.0{\rm nm}and 700.0 {\rm nm},for which the index of refraction of the glass is 1.4820 and1.4742, respectively
A molecule of DNA (deoxyribonucleic acid) is 2.22 µm long. The ends of the molecule become singly ionized, Determine the effective spring constant of the molecule
A 0.150kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.710m/s, Find the magnitude of the final velocity of the 0.150 kg glider
a projectile fixed vertically up from a canon rises 200m before returning to the ground. if the same were to fire the
A flight controller determines that an airplane is 30.0mi south of him, Half an hour later the same plane is 30.0mi north west of him, What is the magnitude of its velocity during this time
a cannon is shot downward from a 195-m high cliff at an angle of 34deg with respect to the horizontal. the initial
You find an unlabeled box of fine needles, and want to determine how thick they are. What is the diameter of the needle
Find the energy of the capacitor at the moment.
If a metal wire carries a current of 23.0 mA, how long does it take for 12.0×1020 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10-19 C.
a ball is thrown vertically upward with a speed of 14.0 ms.a how high does it rise?b how long does it take to reach its
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is ?s = 1.79. what is the maximum speed at which the car can turn without sliding
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