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Two small, positively charged spheres have a combined charge of 5.35×10-5 C. If each sphere is repelled from the other by an electrostatic force of 1.00 N when the spheres are 1.93 m apart, what is the charge on the sphere with the smaller charge?
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. It moves at constant speed. At time t2 = 4.00 s (3/4 of a revolution later), its acceleration is (6.00 m/s2) i + (-1.00 m/s2)..
A 90 kg astronaut and a 1600 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.24 m/s directly away from the shuttle.
The position of an air-track cart that is oscillating on a spring is given by the equation x = 12.4 cos[(6.35 s-1)t] . At what value of t after t= 0.00s in the cart first located at x = 8.47 cm ?
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.
A surface completely surrounds a 4.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.66 m, (b) a sphere with a radius of 0.30 m, and (c) a cube with edges that are 0.65 m long.
What is the electric field at 9.4 cm from the central axis. What is the overall magnification of microscope.
A continuous line of charge lies along an x axis, extending from x = +x0 to positive infinity. The line carries charge with the uniform linear charge density λ0. What are the magnitude and direction of the electric field at the origin.
What is the magnitude of vertical component of its velocity as it strikes the ground.
How much time is the stone in the air
Reply in m/s. Also, why does the car's mass not matter.
A 2.50 syringe has an inner diameter of 4 , a needle inner diameter of 0.24 , and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses syringe to inject medicine into a patient whose blood pressure is 140/100.
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
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