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A skateboarder shoots off a ramp by a velocity of 6.5 m/s, directed at an angle of 54° above the horizontal. The end of the ramp is 1.1 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the origin the point on the ground directly below the top of the ramp.
1. How high above the ground is the highest point that the skateboarder reaches?
2. When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp?
Water falls without splashing at a rate of 0.280 L/s from a height of 2.10 meter into a 0.670 kilogram bucket on a scale. determine what does the scale read 2.30 second after water starts to accumulate in it
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A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the person's weight
a metal rod 3 meters long is held in place by a cable with tension t the cable is attached to the rod 1 m from the end
The spring is then released. If the mass is attached to the spring, explain how far up the slope will the mass move before coming to rest? Express your answer using two significant figures.
a uniform electric field of magnitude 435 nc pointing in the positive x-direction acts on an electron which is
At a certain point in a horizontal pipeline, the water's speed is 4.00{\rm m/s}, Find the gauge pressure at a second point in the line
Estimate how much energy is required to transmit one action potential along the axon 25 cm long of radius 30 micrometers . The thickness of the membrane is about 10^-8 and the dielectric constant is about 3.
Mason's net income (pre-bonus) is expected to be $3,000,000, and bonus expense is deducted in computing net income. Illustrate what is the amount that needs to be recorded for estimated bonus liability for 2010?
One of the mooring lines of USS BOXER (LHD-4) is under a tension of 4500 N and is set into resonance by the vibration of a CHT pump. What is the period of the 2nd harmonic
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