0 the positive z axis) is the direction of this resulting vector? placement from
ID: 1654597 • Letter: 0
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0 the positive z axis) is the direction of this resulting vector? placement from the starting point Answer in units of paces Answer in units of 014 (part 2 of 2) 10.0 points 021 (part 5 of 6) 10.0 points What is the direction of the resultant displace ment? Use counterclockwise from due East as What is the magnitude of the vector difference the positive angular direction, betwen the B - A? limits of-180 and +180° Answer in units of m. Answer in units of° 022 (part 6 of 6) 10.0 points 015 (part 1 of 2) 10.0 points At what angle (between -180° and 180° with Consider four vectors Fi, F2, Fs, and F with the positive z axis) is the direction of this magnitudes Fi = 42 N, F2 = 27 N, F,-22N and F4 = 54 N, ' = 140°, 2 =-160°, 03 = 28", and 4 =-70°, measured from the positive axis with counterclockwise positive. resulting vector? Answer in units of 023 10.0 points turns left 52.7° to the original direction and Calculate the z component of the car's net What is the magnitude of the resultant vA car travels 1.95 km in the r-direction, then tor F = F1+F2 + F3 + F? Answer in units of N travels an additional distance of 1.28 km. 016 (part 2 of 2) 10.0 points What is the direction of this resultant vec- tor F, within the limits of -180 and 180 as measured from the positive r axis with coun- terclockwise positive? Let: di1.95 km =52.7', and dz-1.28 km Answer in units of Answer in units of km. 017 (part 1 of 6) 10.0 points Find the magnitude and direction of the vee- tor sum Ri where Ri A = 7.9 m at an angle 180° fron the positive horizontal axis, and B = 17.3 m at an angle 24.3° from the positive horizontal axis. 024 10.0 points B. The vector When giving directions to your house, you tell someone to drive two miles east, then three What are the components of a vector that 1. The cast component of the vector is three 2. The east component of the vector is1 3. The west component of the vector is 1 . The west component of the vector is 1 miles north, then one mile west Answer in units ofm points from his house to yours? 018 (part 2 of 6) 10.0 points At what angle (between -180° and 180° withs the south component is 3 miles. 0° the positive r axis and counterclockwise positive) is the vector sum? Answer in units ofo mile; the south component is 3 miles. 019 (part 3 of 6) 10.0 points What is the magnitude of the vector difference mile the south component is 3 miles. A- BT Answer in units of m. mile; the north component is 3 miles. 020 (part 4 of 6) 10.0 points At what angle (between -180° and 180 with 5. The west component of the vector is three miles; the north component is 3 miles.Explanation / Answer
23) d1 = 1.95 km
d = 1.28 km at theta = 52.7 deg
so the net displacement along x will be;
x = d1 + d cos(theta)
x = 1.95 + 1.28 x cos52.7 = 2.73 km
Hence, x = 2.73 km
25)The humming bird actually forms a right angles triangle with,
b = 2.4 m and p = 3 m - 1.6 = 1.4
from trigonometry, the total displacement will be:
d = sqrt (b^2 + p^2) = sqrt (2.4^2 + 1.4^2) = 2.78 m
Hence, displacement = 2.78 m
theta = tan^-1(1.4/2.4) = 30.26 deg
Hence, d = 2.78 m and theta = 30.26 deg(below horizontal)
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