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An 8.05 kg mass moving east at 13.7 m/s on a frictionless horizontal surface collides with a 11.3 kg mass that is initially at rest. After the collision, the 8.05 kg mass moves south at 2.85 m/s. The magnitude of the velocity of the 11.3 kg mass after the collision is 9.97 m/s. What is the angle relative to the east?
a circus clown weighing 170 lbs. is fired from a cannon at 50 degrees above the horizontal. The clown lands in a circular net that has a radius of 15 ft. What was the initial velocity of the clown
a dc circuit has a single battery of voltage v 10.0 v attached to a resistor r 100 ohms. if the voltage is increased
You stand with your nose 5.0cm from the surface of a reflecting ball, and your nose's image appears three-quarters full size. What is the balls diameter?
Two speakers, one directly behind the other, are each generating a 295-Hz sound wave. What is the smallest separation distance between the speakers that would produce destructive interference at a listener standing in front of them? Take the speed..
An object is placed 19 cm to the left of a converging lens of focal length 30 cm. Find the position and magnification of the final image
Determine the angular momentum of the Earth about its rotation axis (assume the Earth is a uniform sphere)
Identify how the carbon sequestration strategy seeks to fix, or at a minimum, define what is meant by the term carbon sequestration
A ballerina spins initially at 1.5 revolutions/second when her arms are extended. Determine her initial moment of inertia
What is the needle of a compass attracted to , What is the difference between ferromagnetic and magnetic
A 17cm radius air duct is used to replenish the air of a room 7.1 m x 5.2 m x 4.5 m every 16 min. How fast does air flow in the duct
A 1.50 kg box (position is given in meters and time is given in seconds) slides on ice for 1.5 seconds and then encounters a rough surface. Find out the momentum at the start of the animation. Is momentum conserved during the first 1.5 seconds? Is..
During Apollo 14, Alan Shepherd hit a golf ball on the Moon. If he hit the ball at an angle of 15° and an initial velocity of 30m/s, how far did the ball go
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