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Solve the all parts of given problem:
Problem: A penny is dropped from a 500 ft high bridge,
Part A: How long does it take for the penny to reach the ground below?
Part B: How high, in m, is the cliff above the stream?
I need help to find how long does it take for the penny to reach the ground below.
A current of 2.5 a runs through 20 circular wire loops of diameter 10 cm. What is the magnetic field magnitude and direction at the center of the loops? (Show the derivation of any formula that you use.)
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
The pilot of an aircraft wishes to fly due west in a 30.50 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190km/h. What should its speed relative to the ground be.
A particle of mass m moves on a smooth horizontal table. It is attached to a light, inextensible string that passes through a small hole in the table and carries a mass m, which hangs vertically. Find the Lagrangian of the system as a whole.
the uniform electric field between the two plates of a capacitor is 120 n and the potential difference between plates
A motorboat travels with a heading of 30 degrees north of east in order to compensate for the current in the river. How long will it take the boat to cross the 700 m wide river
a uniformly charged sphere which carries a total charge q radius r is rotating along z axis with an angular speed ?.
A 4.6 kg object and a 13.0 kg object, both resting on a frictionless table, are associated by a mass less compressed spring. The spring is released and the objects fly off in opposite directions. The4.6-kg object has a velocity of8.0 m/s to the left...
Salmon, swimming up the Fraser river to their spawning grounds, leap over all sorts of obstacles. what was its speed on emerging from the water
A skateboarder leaves a ramp angled at 35 degrees travelling at 6m/s. When she leaves the track she follows the characteristic path of projectile motion. What is the maximum height above the track she rises to
An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 21.2 cm to the left of the diverging lens. How far is the object from the converging lens
a sky diver with parachute unopened falls 631 m in 15.6 s. then she opens her parachute and falls another 347 m in 133
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