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A 1000-kilogram race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. What is the car's centripetal acceleration? What is the centripetal force that acts on the car?
A charge of +2q is fixed to one corner of a square, while a charge of -1q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center of square, so the potential is zero at each of the two empty c..
Suppose you are a researcher doing such an experiment in a location where the earth's field is 50 ?T at a 60 ?angle below horizontal. What is the proper orientation of the coil
What are the displacement and velocity of the point on the cord. What is the magnitude of the acceleration of one of the liners toward the other because of their mutual gravitational attraction.
A physics student wants to cool a glass of Diet Cola (mostly water), initially at 27°C, by adding ice initially at -18°C. If there is 250g of Diet Cola in the glass, how much ice must they add so that the final temperature will be 0°C?
Billiard ball A of mass = 0.130 moving with speed = 2.80 strikes ball B, initially at rest, of mass = 0.150. Consequently of the collision, ball A is deflected off at an angle of 28.0 with the speed = 2.00.
A lens with a focal length of 25 cm and a concave mirror with a radius of curvature of 100 cm are placed 1.0 meters apart. determine if it is real or virtual
What are the speed and period of a person on a carousel if the person has a centripetal acceleration with a magnitude of 1.0 m/s2 when she is standing 3.0 m from the axis
A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0m/s, Find the vertical component of the average force on the ball
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source compare to those behind it?
A 17-cm-long microscope has an eyepiece with a focal length of 3.1cm and an objective with a focal length of 0.35cm. What is the approximate magnification
A certain single ion channel is selectively permeable to K and has a resistance of 1.15 G?, How many K ions travel through the channel during this time
Compute the coefficient of kinetic friction
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