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Physics

Three point charges lie in a straight line along the y-axis. A charge of q1 = − 9.0 μC is at y = 6.0 m, and a charge of q2 = −8.0 μC is at y = − 4.0m. The net electric force on the third point charge is zero. Where is this charge located?

applications of electromagnetic​

What is the approximate angular diameter of Venus when it is a very slim crescent? Measure the full diameter of the planet, not just the crescent. a. 15" b. 30" c. 60" d. 60"

The velocity of a particle traveling in a straight line is given by v = (6t - 3t^2) m/s, where t is in seconds. Assume s = 0 when t = 0. Part A: Determine the particle's deceleration at t = 3.1 s. Part B: Determine the particle's position at t = 3.1 s. Part C: How far has the particle traveled during the 3.1-second time interval? Part D: What is the average speed of the particle for the 3.1-second time interval?

6. A person who weighs 600 N is standing on a scale in an elevator. The elevator isidentical in both cases. In both cases the elevator is moving downward, but in Case A itis accelerating upward and in Case B it is accelerating downward. Will the scale readingbe (a) greater in case A, (b) greater in case B, or (c) the same in both cases? Explain.​

Calculate the KE of a 3.1 kg toy cart that moves at 4.8 m/s. Calculate the KE of the same cart at twice the speed.

Topsoil is A, less fertile than the c horizon B , rich in minerals and organic materials C, found below the b horizon D, very resistant to wind erosion

when a car dives down a street what energy conversion are happing

If a car speeds up to 70 m/s from a red light 15 seconds, what is the acceleration?

What are atoms of the same element with different numbers of neutrons are called?

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