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A golfer hits a shot to a green that is elevated 2.60 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0? 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 tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, What is the second balls' velocity at that point
A thunderstorm drops 6.0cm of rain on a city that covers an area of 33 km by 45 km. approximation the number of raindrops that fell during the storm. You could assume the diameter of a raindrop is 2 mm.
Find the current that flows if the same potential difference. A 63 kg trampoline artist jumps vertically upward from the top of a platform with the speed of 4.8 m/s. If the trampoline behaves like a spring of spring constant 6.2×10^4 N/m, how far ..
A loaded ore car has a mass of 935 kg and rolls on rails with negligible friction. What maximum power must the winch motor provide
Tension is maintained in a string. The observed wave speed is v=22.0 m/s when the suspended mass is m=3.00 kg. What is the mass per unit length of the string
A 1.00 cm object is 60.0 cm in front of a diverging lens that has a -30.0 cm focal length. Find the image position and height. Is the image real or virtual? Is the image upright or inverted
An airplane flies due south at 155km/h relative to the air. There is a wind blowing at 89 km/h to the east proportionate to the ground. What are the plane's speed and direction relative to the ground.
A 45cm3 block of iron is removed from an 800?Cfurnace and immediately dropped into 200 mL of 20?C water. What fraction of the water boils away
Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
A ranger in a national park is driving at 41km/h when a deer jumps onto the road 66 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3.20m/s2. What is the maximum reaction time allowed ..
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is 2.70 cm. What is the power of the implanted lens
A parallel-plate capacitor has square plates of edge length 1.8 cm and a plate spacing of 0.018 mm. If the gap between the plates is a vacuum, what is the capacitance?
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