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A pendulum is lifted to a 90o angle (so it forms a right angle from the vertical clockwise), and released. It swings forward (to the right, ccw), and at a critical angle, theta, is cut. The pendulum bob drops and rolls a distance d. Find d, and draw a diagram of the setup.
The work function for platinum is 6.35 eV. Find the cutoff wavelength for platinum
question two capacitors are connected in parallel across the terminals of a battery. one has a capacitance of 2.0
sled is being pulled across a cement sidewalk at constant velocity. the coefficient of friction mu between the cement
A canoe has a velocity of 0.350m/s southeast relative to the earth. Find the magnitude of the velocity of the canoe
A 1.50 x 103-kg car starts from rest and accelerates uniformly to 19.5 m/s in 12.6 s. Find the average power developed by the engine
Discuss the postulates and implications of Albert Einstein's Special Theory of Relativity on the way that scientific data is collected and analyzed
The same propeller speeds up from 1000 rpm to 3000 rpm in 2 seconds. a. Calculate the angular acceleration (assumed constant). b. How many revolutions does the propeller make during this time
A jeweller working with a heated 44 g gold ring must lower the ring's temperature to make it safe to handle. If the ring is initially at 94 degrees Celsius, what mass of water at 25 degrees Celsius is necessary to lower the ring's temperature to 35 d..
What is the period of the motion.
A 30 kg girl who's running at 3 m/s jumps on a stationary 10 kg sled on a frozen lake. How fast does the sledwith the girl on it move
question a 15 g rifle bullet traveling 240 ms buries itself in a 3.9 kg pendulum hanging on a 2.9 m long string which
Two capacitors when connected in parallel give an equivalent capacitance of 9.00 pF and give an equivalent capacitance of 2.00 pF when connected in series
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