Calculate the bullets initial speed
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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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?
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 bank manager is trying to estimate the amount of fraud that will happen on a day when cyber crooks break into the bank's Website and many hackers collaboratively create a flood of frauds.
The weight of cereal in a box is normally distributed with mean 16.5 ounces and standard deviation 0.1 ounce. What percentage of the boxes contain less than 16 ounces of cereal?
What mass of helium does it contain? If the rupture-pressure limit of the balloon skin is 1 MPa, to what temperature can the helium be heated safely?
Determine the magnitude of charge on the inner surface of the spherical shell.
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