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A 0.04-kg baseball traveling in a horizontal direction with a speed of 16 m/s hits a bat and is popped straight up with a speed of 15 m/s.
(a) What is the change in momentum (magnitude and direction) of the baseball?
(b) If the bat was in contact with the ball for 20 ms, what was the average force of the bat on the ball?
What is the speed of the two carts at the moment while their speeds are equal?
A screen 1-m wide is 2.0 m from a pair of slits illuminated by 633-nm laser light, with the screen's center on the center line of the slits. How many fringes will be visible on the screen
A coin placed on a turntable rotating at 33.0 rev/min will stay there if its center is placed no further than 7.2 cm from the axis of rotation. What is the maximum distance the center of the coin can be placed from the axis
A perfectly insulated system has work done by it at a rate of 13 W. At what rate is the internal energy of the system changing?
Two cars are traveling along a straight road. Car A maintains a constant velocity of 110 km/h and car B maintains a constant speed of 110 km/h. At t= 0, car B is 45 km behind car A. How far would car A travel from t = 0, before it is overtaken by c..
a cylindrical tube oriented vertically on earths surface closed at the bottom and open at the top height 100 m cross
You are studying guitar strings and are able to measure a few of (but not all) the standing wave frequencies for a particular string. what is the highest possible value for the fundamental frequency
A bicycle rides by in front of you moving right to left. What is the torque applied to the wheel
Assume that a 16 volt energy source is in a circuit that has a resistance of 10 ohms. Determine the current and power
A solenoid of length 3.06 cm and diameter 0.663 cm is wound with 170 turns per cm. what is the magnetic flux through one of the windings of the solenoid
A double-slit experiment is set up using a helium- neon laser (lamda=633nm). How thick is the glass
At an instant in time, an electron has a velocity of 5i + 3j - 4k km/s in a region of space, Find the acceleration of the electron at this instant
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