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A pendulum is made out of a (251.3 +/- 0.1) g mass and a string that is (1.3 +/- 0.005) m long. If the mass has a speed of (1.3 +/- 0.1) m/s at the bottom of the swing:
A) Calculate the centripetal acceleration of the mass (with uncertainty).
B) Calculate the tension in the string (with uncertainty).
C) Determine the centripetal force acting on the mass (with uncertainty).
A 0.35 kg cart traveling at 0.6 m/s to the right collides with a stationary 0.55 kg cart. After the collision the second cart (.55kg) is traveling to the right at 0.32 m/s, What is the speed and direction of the first(.35kg) cart
A bottle containing 3.4 kg (mass) of water at a temperature of 23.4 oC is placed in a refrigerator where the temperature is kept at 3.2 oC
There has long been an interest in using the vast quantities of thermal energy in the oceans to run heat engines. What is the maximum possible efficiency of such a power plant
Two people stand 5.20 m apart and 4.00 m away from a large plane mirror in a dark room. At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam straight strikes the other person.
A Li-6 nucleus has a mass of 6.015121 u The mass of a single proton is 1.007276 u, What is the binding energy of lithium
A Mercedes-Benz 300SL (m = 1850 kg) is parked on a road that rises 20° above the horizontal, What is the static frictional force that the ground exerts on the tires
A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end, Find the force that the column exerts on the right end of the beam
A traveler first drives 18.8 km east, then 31.8 km southeast, and finally 11.1 km south. Find the traveler's total displacement
A performer at the Cirque de Dartmouth is shot by a cannon elevated at 30 degrees from the horizontal. What was the highest point in his trajectory
Electrons in a photoelectric-effect experiment emerge from a copper surface with a maximum kinetic energy of 1.10 eV
A bus accelerates at 1.5 m/s/s from rest for 12s. It then travels at constant speed for 25s, How far did the bus travel
A light, flexible cable is wrapped around a solid cylinder with mass 3.5 kg and radius 0.8 meters.
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