Determine the mass of the meter stick
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With three 6.30 g coins stacked over the 21.4 cm mark, the stick is found to balance at the 49.3 cm mark. What is the mass of the meter stick, in g?
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The Earth has an angular speed of 7.272·10-5 rad/s in its rotation. Find the new angular speed if an asteroid (m = 4.97·1022 kg) hits the Earth while traveling at a speed of 5.79·103 m/s (assume the asteroid is a point mass compa
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What must be the minimum initial speed of the dar so that the combination makes a complete circular look ater the collision?
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A defect in a diamond appears to be 2.18 mm below the surface when viewed from directly above that surface. How far beneath the surface is the defect?
Draw the equipment and show the changes from the starting state to the ending state. Label as much information as you can.
An evacuated 150-L tank is connected to a line flowing air at room temperature, 25 degree C and 8 MPa pressure. The valve is opened, allowing air to flow into the tank until the pressure inside is 6 MPa.
For a particular card game a standard deck of cards has all of the aces, kings, queens, and jacks removed. Among the 36 cards remaining two cards are chosen simultaneously at random. What is the probability that the sum of the two cards is greater
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