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A 11.0 g rifle bullet is fired with a speed of 360 m/s into a ballistic pendulum with mass 10.0 kg, suspended from a cord 70.0 cm long.
A- Compute the initial kinetic energy of the bullet;
B- Compute the kinetic energy of the bullet and pendulum immediately after the bullet becomes embedded in the pendulum.
C- Compute the vertical height through which the pendulum rises.
An interplanetary spaceship passes through the point in space where the gravitational forces from the moon and the earth on the ship exactly cancel. How far from the center of the earth is it
A mouse travels along a straight line; its distance x from the origin at any time t is given by the equation x = (8.5cm x s^-1)t - (2.5cm x s^-2) t2. Find the average velocity of the mouse
Velma passes Mort at a speed of 0.75c. At this speed, the "time dilation factor" is 1.5. In other words, Mort observes a 1-second tick of Velma's clock to take 1.5seconds. assume that they are born at the same time, and that Mort observes himself ..
A boy kicks a ball horizontally near the edge off a boardwalk, with an initial speed of 9.0 m/s. Determine the height of the boardwalk above the water
A 140-m-wide river flows due east at a uniform speed of 3.9 m/s. A boat with a speed of 7.8 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. How long does it take for the boat to cross the river
There are 2 inclines A & B. Identical carts are placed on the top of each incline and release them from rest. Both inclines have the similar height and are friction less, but angles of the two incline are not the similar. Would carts acceleration ..
A motorist drives south at 22.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 3.00 min, Find the total vector displacement and south west
A 3.5-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,063oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, What is the energy of the electromagnetic radiation
Phil is standing on a third floor balcony, 10m above the ground. Where does the ball hit the ground
The jumping squirrel. A squirrel wants to jump from a point A on a branch of a tree to a point B on another branch. at what angle to the horizontal should he jump
A small positively charged sphere of mass 4.68 g and charge +72 micro C is suspended horizontally in static equilibrium, find the magnitude of the tension in the horizontal string
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