A shell is fired from the ground at an angle of 55.0° to the horizontal. It's initial speed is 1.70x10^3 m/s. How far away does it land?

What is the magnitude of the resultant vector round your answer to the nearest tenth

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.