Use the worked example above to help you solve this problem. A proton is released from rest at x= -2.00 cm in a constant electric field with magnitude 1.50 x 10 N/C pointing in the positive x-direction. (a) Assuming an initial speed of zero, find the speed of a proton at x= 0.0600 m with a potential energy of-1.92 x 1017 1. (Assume the potential energy at the point of release is zero.) m/s (b) An electron is now fired in the same direction from the same position. Find the initial speed of the electron (at x = -2.00 cm) given that its speed has fallen by half when it reaches X = 0.190 m, a change in potential energy of 5.05 x 1017 J. m/s
Use the worked example above to help you solve this problem. A proton is released from rest at x= -2.00 cm in a constant electric field with magnitude 1.50 x 10 N/C pointing in the positive x-direction. (a) Assuming an initial speed of zero, find the speed of a proton at x= 0.0600 m with a potential energy of-1.92 x 1017 1. (Assume the potential energy at the point of release is zero.) m/s (b) An electron is now fired in the same direction from the same position. Find the initial speed of the electron (at x = -2.00 cm) given that its speed has fallen by half when it reaches X = 0.190 m, a change in potential energy of 5.05 x 1017 J. m/s
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