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A nozzle with a radius of 0.250 cm is attached to a garden hose with a radius of 0.950 cm. The velocity of the water in the hose is 2.80 m/s and the velocity of the water in the nozzle is 40.4 m/s.
(a) Calculate the maximum height to which water could be squirted if it emerges from the nozzle.
m
(b) Calculate the maximum height to which water could be squirted if it emerges with the nozzle removed, assuming the same flow rate.
Find out the time that the arrow spends in the air.
returns the shot with the ball traveling horizontally at 40 m/s in the opposite direction. Illustrate what is the impulse delivered to the ball by the tennis racquet?
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The two upper front teeth of a person exert a total force of 30N on a piece of steak. If the biting edge of each tooth measures 10 mm x 1 mm, find out the pressure on the steak.
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A 4.7 e2 kg hot-air balloon takes off from rest at surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.70 multiplied by 104J of work on the balloon in the process. At what height above the surface of the ea..
A quarter circle of electric charge with a radius of 2.5 m has a uniform charge density of +0.7x10^-6 C/m. At the center of the circle is located a +0.3C charge
Find out the magnitude of the impulse imparted to golf ball?
The next three problems refer to two point charges A and B on the x-y plane, Find the x-coordinate of the point on the x-axis where the electric field is zero
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