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A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 47 g spheres at the ends. When charged, nearly all the charge resides on the spheres.   If the...

A tennis ball is struck and departs from the racket horizontally with a speed of 27.9 m/s. The ball hits the court at a horizontal distance of 19.9 m from the racket. How far above the court is the...

Two very small spheres are initially neutral and separated by a distance of 0.50m. Suppose that 3.0xe13 electrons are removed from one sphere and put on the other. (A) what is the magnitude of the...

1,b :Use Dimensional Analysis to solve the following problems.  my house is 1.2 miles from my school  please show steps with an aswr

A 115.00kg stack of physics texts is placed on a 6.00m long bench. What is the minimum reaction force each support leg must produce if the uniform beam itself has a mass of 10.0kg?                              ...

1. The resultant of a number of forces acting on a moving wheelbarrow is 35N due East. Explain what is meant by the resultant of a number of forces.   2. The Highway Code indicates that...

A 5kg plank is supported by 2 bricks. If the golden retriever is 16kg and the dalmation is 23kg, what is the support force in each brick?                                       ...