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A golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. The ball leaves the club at a speed of 17.6 m/s at an angle of 35.0? above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistance, find the speed of the ball just before it lands.
A telescope mirror has a radius of curvature of 18.0 m. What is the diameter of the image of the Moon produced by this mirror
Two charges are separated by some distance and the magnitude of the electric force between them is 224.6 Newtons. If the distance between the same two charges is tripled, what is the magnitude of the electric force on them now in Newtons?
A 9.8 kg object oscillates at the end of a vertical spring that has a spring constant of 1.9 * 10^4 N/m. The effect of air resistance is represented by the damping coefficient b= 3.00 Ns/m.
A loudspeaker of mass 19.0 kg is suspended a distance of = 1.60 m below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30m . What is the tension in each of the cables.
Physicist Robert Adair, once appointed the "official physicist to the National League" by the commissioner of baseball, What is the difference in wavelength of these sounds
The primary of a step-down transformer has 290 turns and is connected to a 120 V rms line. The secondary is to supply 17 A at 7 V. Find the number of turns in the secondary, assuming 100% efficiency
The first star on the handle of the Big Dipper and the star that forms the far bottom edge of the bowl(Merak).
What is the difference between mass and weight? On earth, what is the weight of a 1 kg mass?
A pitched baseball of mass .200kg, arives at home plate with a speed of 40m/s and is batted straight back to the picture, determine the work done by the bat on the ball
A circuit consists of a 6.0V battery, a 37-mH inductor, and four 55 ohm resistors. Find the characteristic time for this circuit
A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system
A 57 kg skier starts from rest at a height of H = 19 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal.
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