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Q1. According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Imagine the speed quoted is that of the end of the rod.
What is the centripetal acceleration of the end of the rod? Response in units of m/s2
Q2. The thin plastic rod of length L = 10.0 cm has a non uniform linear charge density λ = cx, where c = 49.9 pC/m. (a) With V = 0 at infinity, find an electric potential at point P2 on the y axis, a distance y = D = 3.56 cm. (b) Find electric field component Ey at P2. (c) Why cannot the field component Ex at P2 be found using the result of (a)?
An object moves with constant acceleration 3.55 m/s2 and over a time interval reaches a final velocity of 12.8 m/s.
When an ion accelerates through a potential difference of 2240V, What is the charge on the ion
Two radio antennas are separated by 1.20m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 20m, how many maxima will you detect.
The hole on a level, elevated golf green is a horizontal distance of 125 m from the tee and at an elevation of released 10.4 m above the tee, What was the initial speed of the ball
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. find the size of the image of the tree on your retina
You then kick the ball with the same initial velocity and at the same angle to the horizontal. This time, however, you kick it up a 15 degree slope. What is the horizontal range of the ball's travel
A uniform charged disk of radius 30.0cm carries charge with a density of 8.00x10^-4 C/m^2. Calculate the electric field on the axis of the disk at
Calculate the amount Stansfield should report as net cash provided (used) by financing activities in its 2010 statement of cash flows. (Enter amount as positive.)
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
In a women's 100-m race, accelerating uniformly, Laura takes 2.00 s and Healan 3.00 s to attain their maximum speeds, What is the acceleration of each sprinter
The position of a particle moving along the x axis depends on the time according to x=ct^2-bt^3 where x is in meters, what distance does the particle move and what is its displacement
A sprinter explodes out of the starting block with an acceleration of +3.5 m/s2, which she sustains for 1.0 s. What is her velocity at the end of the race
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