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A 3 liter pitcher of tea is at a room temperature of 70 degrees Farenheit. You pour 0.2 kg into a Styrofoam cup. How many ice cubes at 32 Degrees farenheit, each 0.025kg, must be added to cool your tea to 0 degrees Celsius?
A small rocket to gather weather data is launched straight up. few seconds into the flight, its velocity is 110 and it is accelerating at 17 . At this instant, the rocket's mass is 50 and it is losing mass at the rate of 0.45 as it burns fuel.
A major-league pitcher can throw a baseball in excess of 41.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 18 m away from the point of release.
(a) How long after being launched does the rocket run out of fuel? (b) What is the velocity of the rocket when it runs out of fuel? (c) What is the maximum height above the ground that the rocket reaches? (d) What is the velocity of the rocket just b..
Compute the magnetic flux of a square loop, 2cm on a side, with a magnetic field of 0.400 T. The loop makes a 45 degree angle with the magnetic field
A college student produces about 135 kcal of heat per hour on the average. What is the rate of energy production in watts
A ball is being thrown towards a wall with 25.0 m/s in a 40 degree angle. The distance to the wall is 22.0m, How high will the ball hit the wall
intense white light is incident on a diffraction grating that has 465 linesmm. a what is the angular separation
Two long, coaxial cylindrical shell conductors carry equal and opposite charges. The inner shell has radius "a" and charge +q, and the outer shell had radius "b" and charge -q. Find the potential difference between the shells
a light inelastic rope is wrapped around a cylinder passes over a pulley and is attached to one end of a spring of
find the speed of the block as it hits the ground.A 4-kg ball traveling to the right with a speed of 4 m/s collides with a 5-kg ball traveling to the left with a speed of 2 m/s. What is the total momentum of the two balls after they collide.
The outside mirror on the passenger side of a car is convex and has a focal length of -5.4 cm. Relative to this mirror; a truck traveling in the rear has an object distance of 17 m. discover (a) the image distance and (b) the magnification of the mir..
the eyepiece of a microscope has a focal length of 1.25 cm and the objective lens focal length is 1.49 cm.a if the tube
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