Through how many revolutions has the soccer ball turned
A soccer ball of diameter 31 cm rolls without slipping at a linear speed of 3.8 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 17 m?
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Find and interpret the expected number of trucks that are speeding. Find the standard deviation for the number of trucks that are speeding.
Determine the heat transfer to the lake. Determine the entropy change of the lake. Determine the entropy generation during this process.
A 8.68g sample containing solid potassium chlorate and other inert impurities was heated in test tube. the potassiumchlorate in the sample completely decomposed into potassiumchloride and oxygen gas.
Find: E(X), Var(X), E(Y), Var(Y). X= number of dimes which come up heads. Y= value in cents of dimes which come up heads.
Long cylindrical steel rods of 100 mm diameter with the density of 7833 kg/m3 and the specific heat of 0.465 kJ/kg K are heat treated by drawing.
What is the potential energy of a particle of charge +q that is held at point P ?
A bullet of mass 10 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance of 10 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.
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