An object is moving in the positive x-direction. Select all true statements considering its 1 dimensional motion.
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- A physics student adds two displacement vectors with magnitudes of 8.0 km and 6.0 km. Which one of the following statements is true concerning the magnitude of the resultant displacement? It could be equal to zero kilometers, depending how the vectors are oriented. No conclusion can be reached without knowing the directions of the vectors. It could have any value between 2.0 km and 14.0 km depending on how the vectors are oriented. It must be 10.0 km. It must be 14.0 km.What is the X component of the vector M?A plane is initially traveling at a speed of 219 km/hr in the direction 38.4° north of west. Three hours later, the plane is traveling at a speed of 204 km/hr in the direction 22.5° west of south. Let +x point due east and +y point due north. (a) What is the x-component of the plane's final velocity (in m/s)? (b) What is the y-component of the plane's final velocity (in m/s)?
- Y-COMPONENT MAGNITUDE DIRECT1ON -COM PONENT 3341 VECTOR 7.9 7.10 -3 40 16.00 1.10 6.40 -3.40 9.20 18.5 2.1 8.4 3014 319.3 -5:50 7.20 Ry: 8.0 115.3 4 SULTANT RVector A is in the direction 39 0° clockwise from the -y-axis. The T-component of A is A, = -12.0 m.Given vector A=2i-3j and vector B = 2i -4j. If vector C = A -2*B then C equals ..
- b) I(1, 0, 0), J(0, 1, 0), and K(0, 0, 1) 6, A helicopter takes off at a ground velocity of 150 km/h. It climbs at an angle of 48° toward the east. A 17-km/h wind is blowing from the south. Determine the resultant air and ground velocities. Include a diagram in your solution. The Eiffel Tower is 324 m tall. Denise is60° Prob. 2-31 *2-32. Determine the magnitude of the resultant force and its direction, measured clockwise from the positive x axis. 50 N 30° 45° 70 N 65 N Prob. 2-32Vector A has an -component and a y-component that are equal in magnitude. What is the angle that vector A makes with respect to the r-axis in the same r-y coordinate system? 60 120 90 0
- What are the magnitudes of x- and y-components of vector C? O2 cm, -4 cm 4 cm, 2 cm O 1 cm, -3 cm O 1 cm, -1 cm. 3 cm, 1 cm y (cm) 2 1 x (cm)Other possible answers 1.9 x 10^-12 N, -y direction 1.0 x 10^-12 N, into the page 1.7 x 10^-12 N, out of the pageAn object's velocity as a function of time in one dimension is given by the expression; v(t) = 3.8t + 6.68 where are constants have proper SI Units. At what time is the object's velocity 61.2 m/s?