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A -50 nC charged particle is in a uniform electric field = (20 V/m , east). An external force moves the particle 4.0 m north, then 5.0 m east, then 5.0 m south, and finally 3.0 m west. The particle begins and ends its motion with zero velocity.
How much work is done on it by the external force? What is the potential difference between the particle's final and initial positions?
a pressure cooker cooks a lot faster than an ordinary pan by maintaining a higher pressure and temperature inside. the
The drawing shows a graph of two waves traveling to the right at the same speed. (a) Using the data in the drawing, determine the wavelength of each wave. (b) The speed of the waves is 12 m/s; calculate the frequency of each one. (c) What is the maxi..
An elevator filled with passengers has a mass of 1700 kg. The elevator accelerates upward from rest at a rate of 1.21 m/s2 for 1.53 s. Calculate the tension in the cable supporting the elevator
Select True or False for each of the following statements regarding magnetism, and the earth's magnetic field "B."
A rod is initially at a uniform temperature of 0 o C throughout. One end is kept at 0oC , and the other is brought into contact with a steam bath at 100 o C.
A horizontal 797N merry-go-round is a solid disk of radius 1.53 m, started from rest by a steady horizontal force of 50.4 N applied tangentially to the edge of disk. Determine the kinetic energy of the disk after 3.06 s.
Calculate the magnitude of the electric field at the center of a square 42.5cm on a side if one corner is occupied by a -38.3 x10-6 C charge
what is the primary microscopic origin of the magnetic field of a magnetized piece of iron, Each atomic nucleus produces a magnetic field.
A 100 gram bullet travelling at 350 m/s strikes and sticks into a stationary 5.00 kg block of wood. The combined bullet+ block initially slides on a horizontal frictionless surface until they encounter a 30.0 degree inclined plane with a coefficient ..
A 10 kg block is set in motion upa 20 degree inclined plane with an initial speed of 8.0 m/s. find the distance up the surface of the plane the block will travel
two point charges are placed along a horizontal axis with the following values and positions 3 microc at x 0 cm and -
A snow skier, starting from rest, goes downhill for 5.00s and reaches a level spot of smooth snow. What is the skier's average acceleration down the hill
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