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Q. The potential at location A is 370V. A positively charged particle is released there from rest and arrives at location B with the speed vB. The potential at location C is 607 V, and when released from rest from this spot, particle arrives at B with twice the speed it previously had, or 2 vB. Find out the potential at B.
Point A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points?
Charges of -q and +2q are set in place, with the distance of 3 m between them. A dashed line is drawn throughout the negative charge, perpendicular to the line between the charges. On the dashed line, at a distance L from the negative charge, there is as a minimum one spot where the total potential is zero. Find L.
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.450 m. A test charge (q0 = -3.20 x 10-8 C), with the mass of 5.20 x 10-8 kg, is free from rest at one of the corners of the square. Determine the speed of the test charge when it reaches the center of square.
The ball has the speed of 12.1 m/s and is moving in a direction of 33.4 degrees east of north, relative to the ground.
A football spends a total of 5 seconds in the air. It reaches a peak height of 30 meters. How long does it take to reach its peak height? The football has the range of 90 yards. What is its horizontal velocity.
For a damped oscillator with a mass of 380g, the spring constant 120 N/m and a damping coefficient of 76 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 28 cycles.
What additional experiment can help you decide between these two possibilities.
Conclude a rough "scale factor" or "plate scale." Measure the distances in mm or cm between each of the marked wavelengths and average the results.
A projectile is fired at time t = 0.0 s, from point 0 at edge of a cliff, with initial velocity components of vix=30m/s and viy = 100m/s. The projectile rises, and then falls into the sea at point P. The time of flight of the projectile is 20s.
What is magnitude of the electric field
compare with the force of gravitational attraction between them.Find the position of the particle after this time.
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
A baseball (m = 155 g) approaches a bat horizontally at the speed of 40.5 m/s (91 mi/h) and is hit straight back at a speed of 45.5 m/s (102 mi/h).
if the box is moving at a constant speed of 0.35m/s and the coefficient of kinetic friction is 0.12. What is the magnitude of F.
An 85 kg spacewalking astronaut pushes off a 655 kg satellite, exerting a 115N force for the 0.600 s it takes him to straighten his arms.
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