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If the bunting support rope is at 30o to the vertical and its tension force is 400 Newton, determine the vertical component of the tension? Find what is the horizontal pull from the bunting?
A tungsten wire is 1.50m long and has a diameter of 1.00 mm. At 20 degrees celsius a current of 50mA flows through the wire. Determine the potential across the wire
A fox locates its prey under the snow by slight sounds rodents make. how long the fox is in the air
The moving non-conducting belt of a Van de Graaff generator carries 10 µC of charge up to the metal sphere each second, What minimum power must be supplied to the generator to sustain its operation
A block of mass m slides along a level surface. The coefficient of kinetic friction between the block and the surface is ?. If the block has an initial speed v0, how far will it travel before coming to rest? Show how you arrived at your answer. Repea..
A 75.0 kilogram ice skater moving at 10.0 m/s crashes into a stationary skater of equivalent mass. find the magnitudes of the average forces experienced by each skater during the collision
In the sketch, the small hydraulic piston has a diameter of 2.3cm. how many newtons of force are exerted by the large piston
A 40-kg football player leaps through the air to collide with andtackle a 60-kg player heading toward him, also in the air. what is the speed and direction of the tangled players
two parallel metal plates have area a 255 cm2 and are separated by l 0.50cm. they have a potential difference of 0.25
15. An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. find the density of the object
Jane is standing on the platform waiting for the train. The train approaching the platform from the north at 20 m/s blows its whistle when it is 100 m away from Jane. What frequency of sound does Jane hear
A 5.0 multiplied by 102-newton girl takes 10. seconds to run up two flights of stairs to the landing, a total of 5.0 meters vertically above her starting point. What power does the girl develop during her run.
Consider a hypothetical planet in our solar system whose average distance from the Sun is about four times that of Earth. Decide the orbital period for this hypothetical planet.
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