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- A surveyor measures the distance across a river that flows straight north by the following method. Starting directly across from a tree on the opposite bank, the surveyor walks 100 m along the river to establish a baseline. She then sights across to the tree and reads that the angle from the baseline to the tree is 35 . How wide is the river?Given two displacement vectors A=(3.00i-4.00j-4.00K)m and B=(2.00i+3.00j-7.00K)m , find the displacements and their magnitudes for (a) C=A+B and (b) D=2AB .The arc length formula says the length sof arc subtended by angle in a circle of radius r is given by the equation s=r . What are the dimensions of (a) s, (b) r , and (c) ?
- If vectors A and B are orthogonal, what is the component of B along the direction of A ? What Is the component of A along the direction of B ?A trapper walks a 5.0-lan straight-line distance from her cabin to the lake, as shown in the following figure. Determine the east and north components of her displacement vector. How many more kilometers would she have to walk if she walked along the component displacements? What is her displacement vector?Ans as you possible pls..
- can you please ans (d)?Problem 4: For vectors B =- î - 4ĵ and A = - 3î - 2ĵ.@ Avector A af Length 10 units makes an angle of 30 with avector Bof enath 6units. Find the wmagnitude of the vector difference A-B and the angle it makes with vector A:- @by the parallelagram method. @ by the triangle methad. © by the restanqular resalution.