physics
A man in a maze makes 3 consecutive displacements. His first displacement is 5.40m westward, and the second is 18.0m northward. At the end of his displacement he is back to where he started. Use the graphical method to find the magnitude and direction of his third displacement.
Physics
A baseball is dropped from a tall building and takes 4.1 seconds to hit the ground. From what height was the ball dropped?
Precalculus
I asked this yesterday but I was told my answer was incorrect by my professor. ln x^5 - ln x^2 = 3 solve for the unknown. I have reviewed my Log laws but yet I still cannot figure out what the answers are. The question asks for me to write all answers as a comma separated list...
math
how do you make a model for 1/3 times 18
Trigonometry
Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 if 0<equal to theta , pi/2 then sin(theta) = tan (theta) = If 3pi/2 less than equal to theta , 2pi then sin(theta) = tan (theta) = I know the trig functions but I feel like I am missing something here. cos (the...
Logarithms
lnx^5 - lnx^2 = 3 solve for the unknowns as a list. I tried using my calculator but apparently my answer is opposite ends of the universe
chemistry
how to calculate the mass of hydrogen in 150.0 g of ethene
statistics/probability
The supply office for a large construction firm has three welding units of Brand A and three welding units that are not Brand A in stock. If a welding unit is requested, the probability is .7 that the request will be for Brand A. Find the probability that exactly one of the no...
trigonometry
14. Solve sin 2x + sin x = 0 for 0 ≤ x ≤ 2π. 21. Write 2sin37°sin26° as a sum (or difference).
physics
moving car runs into stationary car, (against a wall)car does not move, however, the wall push back cancelling the force. Explain Newton's law that apply. Thanks, George
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