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Q1. A charge of 5.62 μC is at the origin and a second charge of -2.44 μC is on the positive x-axis 1.00 m from the origin.
Find out the magnitude of the electric field at a point P on the y-axis 0.529 m from the origin. The value of the Coulomb constant is 8.99 × 109 N • m2/C2.
Q2. Leroy, who has a mass of 120 kg, is skateboarding at 9.0 m/s while he smacks into a brick wall and comes to a dead stop in 0.2 s.
(a) What is the deceleration?
(b) What is the force of an impact?
The springs of a 1700-kg car compress 4.90mm when its 63.0-kg driver gets into the driver's seat. If the car goes over a bump
Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.946c. calculate your breathing rate
A pop bottle style instrument is played being open at one end closed at the other, if two successive frequencies, 350 Hz and 490 Hz, are produced, what is the fundamental frequency,
Suppose that you hear a clap of thunder 18.4 s after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed of light in air is 3.00 x10^8 m/s. How long are you from the lightning stroke.
Through what maximum angle θmax will the reference line turn in the positive direction? What are (b) first and (c) second times the reference line will be at θ = θmax/3? At what (d) negative time and (e) positive time will the reference line be at..
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that , What is the new range
if an inductor has a change of current 0.418 A to 0.948 and has an inductance of 1.324, what is the change in energy that the inductor is storing
3 charges (q1=2q, q2 = 3q, q3=-q ) where q = 1c , are arranged to form an equilateral triangle that is 10 cm on a side. What is the electric feild in the middle
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A 0.25?F capacitor is charged to 80V . It is then connected in series with a 25?resistor and a 110? resistor and allowed to discharge completely
A cannon ball is shot straight upward with a velocity of 77.50 m/s. What is the maximum height attained by the cannon ball
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.40×106N , What is the total work done by the two tugboats on the supertanker
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