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A pendulum has 216 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom of its swing? Joules
A small 17 kilogram canoe is floating downriver at a speed of 1 m/s. What is the canoe's kinetic energy? Joules
A 8 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat's gravitational potential energy relative to the floor? Joules
A 263 kg motorcycle moves with a velocity of 7 m/s. What is its kinetic energy? Joules
In the figure below, the converging lens' focal length is 14.4 cm, d = 13.6 cm, and the diverging lens' focal length is -14.1 cm. Where is the image formed by the converging lens,
What is the speed of a free electron that has just barely enough kinetic energy to collisionally ionize a sodium atom in its ground state? What is the speed of a free proton with just enough kinetic energy to collisionally ionize this atom?
When a concave mirror is located facing the sun, the suns rays converge to a point 10 centimeter from the mirror. Estimate what would be the nature and height of the image
Suppose that you wish to mold a uniform wire from 1.50 g of copper. The wire needs to have a resistance of 0.0400 ohm's, What should be the diameter fo the wire?
If the initial oscillation of the pendulum has an amplitude of 2.5 m, determine what is the amplitude of oscillation after 20 second
A large electromagnet has a 23 T magnetic field between its poles. What is the magnetic energy density between the poles
Assuming that the upper surface of the ice sheet is at -15?C and the bottom surface is at 0 ?C, calculate the time it will take to form an ice sheet 30cm thick
What is the magnitude of the electric field produced with a charge of magnitude 6.70C at a distance of (a) 1.00 m and (b) 2.00 m?
Vectors A and B have scalar product -7.00 and their vector product has magnitude 7.00. What is the angle between these 2 vectors
A block weighing 60.0 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied to the object at 44.0° to the horizontal, pushing it upward on the plane. The coefficients of static and kinetic friction between the block and the pla..
A pipe comes diagonally down the south wall of a building, making an angle of 45? with the horizontal. Coming into a corner, the pipe turns and continues diagonally down a west-facing wall, still making an angle of 45? with the horizontal. What..
A metal rod of length 76 cm and mass 1.79 kg has a uniform cross-sectional area of 7.7 cm2. What is the tension in the rope farther from the center of mass
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