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A stone is thrown upwards from the edge of a clif 20m high. It just misses the cliff on the way down and hits the ground below with a speed of 30m/s.
a. With what velocity was it released?b. What is its maximum height above the cliff?
c. Plot ?y(t), ?v(t), and ?a(t)
A parallel-plate capacitor has square plates of edge length1.9 cm and a plate spacing of0.030 mm. If the gap between the plates is a vacuum, what is the capacitance?
A person of mass 71 kilogram stands at the center of a rotating merry-go-round platform of radius 2.7 meter and moment of inertia 820kg•m2. Obtain the angular velocity when the person reaches edge
AN object of a mass of 8 kg revolves in a circle of a radius of 3 mattached by a massless string to the center. There is nogravity or friction. how long does it take the system to stop
A dolphin leaps out of the water at an angle of 36.1 ° above the horizontal. Find the magnitude of the vertical component of the velocity
A freezer is comprised of 1.80x1x0.5 m^3 volume, insulated with 5 cm thick Styrofoam. (1) At what rate should the compressor remove heat to maintain the inside at - 20 degrees Celsius with the outside at room temperature. (2) What is the R-value o..
What is the magnitude of buoyancy force ?
The magnetic force exerted on a 1.3 -m segment of straight wire is 1.6 N. The wire carries a current of 3.1 A in a region with a constant magnetic field of 0.52 T. What is the angle between the wire and the magnetic field?
a flight attendant pulls her 60 n flight bag a distance of 358 m along a level airport floor at a constant velocity.
The flow rate of blood through the average human aorta, of radius 1.0 cm, is about 90 cm^3/s. What is the speed of the blood flow through the aorta
The plane is landing on a naval aircraft carrier that is 0.80 kilometer long. Find what distance does the plane require to land
A 20 kg projectile is fired at an angle of 600 to the horizontal with an initial velocity of 1.6 x 102 m/s. What is the straight line displacement between the two fragments after they land
Equipotentials between two parallel lines with a floating circular electrode: I dont need to know the exact potentials, What should be the potential inside the electrode
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