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Nickels falling over. You may feel that it is obvious that the probability of a head in tossing a coin is about 1/2 because the coin has two faces. Such opinions are not always correct. Stand a nickel on edge on a hard, flat surface. Pound the surface with your hand so that the nickel falls over.
1. What is the probability that it falls with heads upward? Make at least 50 trials to estimate the probability of a head.
The rms speed of 1.0 mol of argon atoms (atomic weight 40 g/mol) in a box is 680 m/s. Treat the gas as ideal. What is the temperature inside the box
bob throws a golf ball horizontally at 9 ms off a the top of a hospital building and hears it hit the parking lot 3.2
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
What is the required resistance of an immersion heater that will increase the temperature of 0.50 kg of water from 10.0°C to 50.0°C
in a collider gold atoms atomic number 79 are accelerated until all electrons have been stripped from the nucleus
A bowling ball weighs 70.8 N .The bowler applies a horizontal force of 169 N to the ball. find the magnitude of the horizontal acceleration of the ball?
A beam of light traveling in a block of glass (n=1.60) is incident on the top surface at an angle of 55° with respect to the normal. What is the maximum possible index of refraction of the oil
Water flows steadily from an open tank. The elevation ofpoint 1 is 10.0m and the elevation of points 2 and 3 is2.00m. find the discharge rate in cubic meters per second
A concave mirror produces a virtual image that is seven times as tall as the object. What is the focal length of this mirror
A transformer is used by a European traveler while she is visiting the United States. find the rate at which heat is generated in the transformer itself
The electric field 0.465m from a very long uniform line of charge is 800N/C. How much charge is contained in a section of the line of length 2.90 cm
q1. how many revolutions per minute would a 29 rm m-diameter ferris wheel require to make for the passengers to feel
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