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Water skiers often ride to one side of the center line of a boat, as shown in Figure 7-16. In this case, the ski boat is traveling at15 m/s and the tension in the rope is 85N. If the boat does 3500 J of work on the skier in 42.8 m, what is the angle θ among the tow rope and the center line of the boat?
A closed system is observed to have 75 objects in it. Initially, the total energy of the system is 6183 Joule. After 8.6 hour has passed, compute how much total energy will the system contain
The radius of the moon is 1.74 x 10^6 m, the radius of the sun is 6.96 x 10^8 m, the average moon-earth distance is 3.84 x 10^8m, and the sun-earth distance is 1.496 x 10^11m. what is the apparent angle the diameter of the moon subtends, as seen f..
If the ball's speed just before impact is 100 m/s, what is the angular speed of the rod immediately after the collision.
Describe what the Zeroth Law of Thermodynamics is in your own words. Also, draw a scenario that verifies the Law is accurate. State the other Laws of Thermodynamics
Suppose he enters the water at a speed of 16.0 m/s via path 1. Explain how fast is he moving on path 2 when he releases the rope at a height of 4.00 m above the water? Ignore the effects of air resistance.
A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the proton's final speed if the experiment is repeated with double the amount of charge on each capacitor plate
The heaviest invertebrate is the giant squid, which can have a weight of about 1.5 tons spread out over its length of 70 feet. What is its weight in newtons
an air capacitor is made from two flat parallel plates 1.50 mm apart. the magnitude of charge on each plate is
If you see the displayed waveform on an oscilloscope screen,given that voltage scale is 50 millivolt/division, and the timescale is 100 milliseconds/div: What is the frequency of this oscillation?
on october 21 2001 ian ashpole of the united kingdom achieved a record altitude of 3.35 km 11 000 ft powered by 600 toy
a person reading a european newspaper finds that the low temperature the night before in stockholm was -16 degree
A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 44°. What is the speed of the ice cube at the bottom of the incline
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