A vector with a length of 12 units points to the north. What vector (magnitude a

Question

A vector with a length of 12 units points to the north. What vector (magnitude and direction) would need to be added to the first vector to create a resultant vector 7 units long pointing north? A. 5 units, south B. 19 units, south C. 19 units, north D. 5 units, north


Vector A, with length 6 units, points along the x-axis. A second vector B with magnitude 5 units makes an angle of 60° with the x-axis. What is the magnitude of A+B?
A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :) A vector with a length of 12 units points to the north. What vector (magnitude and direction) would need to be added to the first vector to create a resultant vector 7 units long pointing north? A. 5 units, south B. 19 units, south C. 19 units, north D. 5 units, north


Vector A, with length 6 units, points along the x-axis. A second vector B with magnitude 5 units makes an angle of 60° with the x-axis. What is the magnitude of A+B?
A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :) A. 5 units, south B. 19 units, south C. 19 units, north D. 5 units, north


Vector A, with length 6 units, points along the x-axis. A second vector B with magnitude 5 units makes an angle of 60° with the x-axis. What is the magnitude of A+B?
A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :) A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :) A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :) A. 5 units, south B. 19 units, south C. 19 units, north D. 5 units, north


Vector A, with length 6 units, points along the x-axis. A second vector B with magnitude 5 units makes an angle of 60° with the x-axis. What is the magnitude of A+B?
A. 9.54 units B. 7.81 units C. 12.27 units D. None of the above E. 11 units
WILL RATE LIFESAVER IF CORRECT ANSWERS! THANK YOU! :)

Explanation / Answer

answer is A) because south is opposite to north so 12-5 = 7 units. A+ B in x-direction = A + B cos 60 = 6 + 5 cos 60 = 8.5 units in x direction A+ B in y-direction = B sin 60 = 5sqrt(3)/2 = 4.33 units in y direction Net Magnitude = (8.5^2 + 4.33^2)^0.5 = 9.54 Units Answer is A)

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