Electron moves toward a stationary electron
An electron moves at a speed of 60.0 m/s directly toward a stationary electron when the two electrons are 1.00 m apart. How close to the stationary electron is the moving electron when it turns around?
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Calculate thermal efficiency and mean effective pressure for this cycle. Use constant specific heats at room temperature.
What is the probability that at least one component fails in the time interval? Given that at least one component failed, what is the probability that component A failed?
If the oxalic acid in a 50.0 mL of aqueous spinach extract was titrated with 0.0250 Molarity NaOH and the 1st equivalence point was reached after 15.0 mL of standard base solution added, what is the approximate pH at the 2nd end point?
1. What is the difference between the electric field, electric potential, and the force exerted by the electric field? 2. How can you define the field without describing the force?
Calculate the top speed (at sea level) of the vehicle if the only external forces on the vehicle are the friction between the tires and the road and the aerodynamic drag.
How many grams of dipotassium oxalate (M.W.=166.22) should be added to 27.293 mL of 0.6682 M HClO4 to provide a solution with a pH value of 5.6262 when the solution is diluted to 53.981 mL?
Determine the heat transferred to and rejected from this cycle, as well as the cycle's thermal efficiency. Use constant specific heats at room temperature.
A 500kg truck moving at 30 m/s strikes a parked 300kg car. They connect together and move forward. What is the momentumn of the truck before it strikes the car?
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