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the acceleration of gravity at the surface of moon is 1.6 m/s^2. A 5.0 kg stone thrown upward on moon reaches a height of 20m.
(a) find its intial velocity.
(B) what is the time of flight to reach the max height?
A 346-, uniform, 1.04- bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 506.0 without breaking, and cable B can support up to 436.0. You want to place a small weight on this bar. What is the h..
A certain cable car in San Francisco can stop in 10s while travelling at maximum speed. On one occasion, driver sees a dog a distance d m in front of the car and slams on the brakes instantly.
What is the coefficient of static friction
Calculate the y-component of the magnetic force.
Find the charge on sphere A. How far from the dog will the suitcase land.
A slide projector needs to create a 96 cm-high image of a 2.20 cm-tall slide. How far should you place the lens from the slide.
A plate carries a charge of -4 ?C, while a rod carries a charge of 2.50 ?C. How many electrons must be transferred from the plate to the rod, so that both objects have the same charge?
A flat surface with area 1.6 m2 is in a uniform electric field of 560 N/C. What is an electric flux through the surface when it is oriented as follows.
In coming to a stop, a car leaves skid marks 77m long on the highway. Assuming a deceleration of 8m/s2, estimate the speed of the car just before braking.
A skier (m=63.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 6.10 m and D = 12.2 m, find H.
Two long parallel wires each carry a current of 5. A directed to the east. The two wires are separated by 8 cm. What is the magnitude of the magnetic field at a point that is 5.0 cm from each of the wires.
Assume that the partner moves on a circle that has a radius of 6.50 m. At a swinging speed of 4.45 m/s, what force must the man apply to his partner in the straight-down position?
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