By how much does the ball clear the net
A tennis player hits a ball 2.0 above the ground. The ball leaves his racquet with a speed of 21.0 at an angle 5.5 above the horizontal. The horizontal distance to the net is 7.0 , and the net is 1.0 high. By how much does the ball clear the net?
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The origin of a coordinate system is at the center of a wheel which rotates in the xy plane about its axis which is the z axis. A force F = 196 N acts at a +33.0° angle to the x axis, at the point x = 13.0 cm, y = 33.6 cm. Determine the magnit
a daredevil is shot out of ta cannon at 45 deg, to the horizontal with an initial speed of 25 m/s. a net is positioned a horizontal distance of 50 m. from the cannon. at what hight above the cannon should the net be placed in order to catch the da
Using the data in the drawing, determine the distances D and H, which locate the point where the gun was fired. Assume that the bullet does not slow down as it passes through the window.
Identify the groups that did not share in the general prosperity of Americans during the 1950s. Explain why each of these groups missed out on the "good times." APA style 250-350 words.
A thermos contains 130 cm3 of coffee at 85° C. To cool the coffee, you drop two 13-g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee? Treat the coffee as if i
A cable is lifting a construction worker and a crate, as the drawing shows. What is the tension in the cable below the worker?
If you were able to establish any policy for a third world country, how would you make sure that farmers grow enough food to feed the people, rather than devote most of the land and labor to cash crops for export?
The tension in the wires is the same, and they have the same mass. A transverse wave travels on the shorter wire with a speed of 190 m/s. What would be the speed of the wave on the longer wire?
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