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Question: Suppose that some ancient writings on parchment are found sealed in a jar in a cave. If carbon-14 dating shows the parchment to be 28600 years old,
Part A: What percentage of the original carbon-14 atoms still remains in the sample?
I need help to determine what percentage of the original carbon-14 atoms still remains in the sample.
A 4.5×106kg spaceship moves away from Earth with a speed of 0.78c. What is the magnitude of the ship's relativistic momentum
Suppose you weigh 738 N, and when you stand on one foot, your weight is spread out over an area of 1.600×10-2 m2. What is the pressure does your foot exert on the floor
question two particles are fixed along a straight line separated by a distance 3.2 cm. the left one has a charge 3.0 nc
A gas is contained in a chamber such as that in Figure below. Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is 104 kg. What is the distance s through which the piston rises
A ball of mass m, at one end of a string of length L, rotates in avertical circle just fast enough to prevent the string from going slack at the top of the circle. The speed of the ball at the bottom of the circle is:
The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 4.3×107 m/s in a distance of 1.4 cm. Determine what is the electric field strength? (In units N/C)
a 45.6 g sample of a conducting material is all that is available. the resistivity of the material is measured to be
One speedboat travels 14 km in a direction 60 degrees south of east. What distance in km did the second boat travel east
What is the "Curie Temperature? Find the Curie temperature for iron, cobalt and nickel
A particle of charge Q is fixed at the origin of an xy coordinate system. At t = 0 a particle (m = 0.897 g, q = 3.51 µC is located on the x axis at x = 15.4 cm, moving with a speed of 72.2 m/s in the positive y direction. For what value of Q (in ?..
Two infinite, straight lines of charges run parallel to each other at a distance of 10cm. Find the electric force an electron would experience if placed at the middle point between the lines
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 4.3 at an angle of 24above the horizontal. It is released 0.75 above the floor.What horizontal distance does the ball cover before bounc..
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