What is the change in potential energy

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Q. A person does 100 joules of work of pulling back the string of the bow. What will be the intial speed of a 0.5 killogram arrow when it's fired from the bow?

Q. A uniform electric field of magnitude 365 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 2.60 cm.

(a) What is the work done by the field on the electron?

(b) What is the change in potential energy associated with the electron?

(c) What is the velocity of the electron?

Reference no: EM1350128

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