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Question1
An airplane flies 200 km due west from city A to city B and next 335 km in direction of 30.0° north of west from city B to city C.
(a) In straight-line distance, how far is city C from city A?
(b) Relative to city A, in what direction is city C?
Question2
What would be electric force between two dimes (each of mass 2gm) to be found at opposite ends of a 10 meter lecture table if their nuclear and electronic charges were unbalanced by 1 percent? Can you think of some object whose “weight“equals that force?
Question3
An airplane is flying with a velocity of 97.0 m/s at an angle of 26.0 degrees above the horizontal. When the plane is a distance 125 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
How far from a dog will the suitcase land? The air resistance can be ignored.
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
One cubic meter of water flowing over Niagara Falls in New York drops 96.6 meters. how much heat energy would the water have
A football resting on the ground is kicked at an angle of 35.0° towards the uprights with an initial speed of 20.0 m/s
Two infinitely large plates are arranged so that they are parrallel, and seperated by a distance d. What is the approximate electric field outside the plates
An ideal inductor of 14 mH has a sinusoidal voltage across it of amplitude 38. What is the amplitude of the sinusoidal current through the inductor
Find out the x and y components of the force.
Find the intensity of the starlight at the Earth, Find the power of the starlight the Earth intercepts. One light-year is the distance traveled by the light through a vacuum in one year
A friend advised the owner of the bowl to keep it out of direct sunlight to avoid blinding the fish, which might swim into the focal point of the parallel rays from the sun. Is the focal point actually within the bowl
A motorcycle is traveling up one side of a hill and down the other side. Determine the maximum speed that the cycle can have
what is the linear speed of the fishing line. The force exerted by the wind on the sails of a sailboat is 300 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 300 kg, what are the magnitude and directi..
A 75-W, 120-V bulb is connected in parallel with a35-W, 120-V bulb. What is the net resistance
A cylindrical 98.50 ? resistor is made from a coil of copper wire whose total mass is 74.0 g, What is the diameter and lenght of the wire
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