Question

I can't find the time. I divided the speed over acceleration to get the time. but I keep on getting the wrong answer.

8. 0.57/0.76 points I Previous Answers SerCP11 15.3.P.023.MI A proton accelerates from rest in a uniform electric field of 660 N/C. At some later time, its speed is 1.44 x 10 m/s (a) Find the magnitude of the acceleration of the proton. 32e10 m/s (b) How long does it take the proton to reach this speed? 2277e-5 x Use the acceleration you calculated in part (a) of this problem to find the time required for the proton to reach the specified speed. us (c) How far has it moved in that interval? 16.40 (d) What is its kinetic energy at the later time? 1.73e-15 Need Help? Master it Submit Answer Save Proess Practice Another Version 9 0.38 0.76 points Previous Answers SerCP11 15.3.P.032.MI. Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate the electric f eld at a point midway between the two charges on therais Let qi 5.50 μο

Answer 1

Solution)

Time taken= v-vo/a

Time= (1.44*10^6)m/s /(6.32*10^10)m/s^2

T= 2.27*10^-5 sec= 22.7 micro seconds (Ans)

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