A skier is going down a mountain at 3 m/s. They then see their friend up ahead who they want to pass. The skier gets in a tuck and accelerates at an
average acceleration of 2.1 m/s/s for 4 seconds. What is the final speed of
the skier after this time? (use formula sheet)
O 8.4 m/s
O 11.4 m/s
O 14.9 m/s
30.4 m/s

The density of a liquid could be found by using

Which is not true about oxygen-17 and oxygen-18?

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you