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Two identical charges are separated by 38 millimeter and experiences a repulsion force of 9 N. Determine the amount of each charge in micro Coulombs.
An automobile tire has a radius of 0.380 m, and its center moves forward with a linear speed of v = 18.0 m/s. Decide the angular speed of the wheel.(Assume that there is no slipping of the surfaces in contact during the rolling motion.)
The earth has a net electric charge that causes a field at points near its surface equal to 150N/C and directed in toward the center of the earth. a) What magnitude and sign of charge would a 60 kg human have to acquire to overcome his or her weig..
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 2.50 m/s at an angle of 15.5° above the horizontal. It is released 0.73 m above the floor. What horizontal distance does the ball cover ..
A woman can read the large print in a newspaper only when it is at a distance of 63 cm or more from her eyes. (a) Is she nearsighted (myopic) or farsighted (hyperopic), and what kind of lens is used in her glasses to correct her eyesight? (b) What sh..
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. Under the same assumption, determine what would be her recoil velocity if, instead, she shoots a blank cartridge that ejects amass of 0.00064..
The displacement of a wave traveling in the positive x-direction is D(x,t)=(3.5cm)sin(3.2x-132t), where x is in m and t is in s . Part A What is the frequency of this wave? Part B What is the wavelength of this wave? Part C What is the speed of this ..
The antenna on a cordless phone radiates microwaves at a frequency of 2.0 GHz. What is the maximum length of the antenna
Consider the system shown in the figure. The mass of the bucket and liquid is 1.10 kg, and the mass of the ball is 0.150 kg. Find the reading on the scale after the string breaks
In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. What is the magnitude of the heat that he has lost
A roller-coaster car moves 192 ft horizontally and then rises 144 ft at an angle of 30° above the horizontal. It then travels 144 ft at an angle of 40° downward. What is its displacement from its starting point? Use graphical techniques. (Do this on ..
A 266.0 gram handball moving at a speed of 5.4 m/s strikes a wall at an angle of 29.0 degree to the normal of the wall and then bounces off with the same speed at the similar angle. Find the average force exerted on the wall by the ball
An extremely thin film of soapy water (n=1.36) sits on top of a flat glass plate with n=1.11. What is the thickness of the film
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