Q3/ Show that the vectors (2i + 3j + 6k), (3i – 6j + 2k)and (6i + 2j + 3k) Are mutually perpendicular -
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Q: angential speed, in m/s, of Nairobi, Kenya, a city near the equator? The earth makes one revolution…
A: GivenT=23.93 hr=6380 km=6380000 m
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- What is the tangential speed of Nairobi, Kenya, a city near the equator? The earth makes one revolu-tion every 23.93 h and has an equatorial radius of 6380 kmGiven that the coordinates of A = (10, 5, 9), B = (7, 7, 9) and magnitude of the force in pole AB is 7 N. Compute the force vector AB. AB= 35 81 70 A 7x0% 7 X0% B ? *0% 5+ N 2+ 0In the figure, a solid 0.1 kg ball rolls smoothly from rest (starting at height H = 6.3 m) until it leaves the horizontal section at the end of the track, at height h = 2.0 m. How far horizontally from point A does the ball hit the floor? Number Units
- We have two vectors A=(6.0, 9.6) and B=(-8.6, 4.4). What angle does the sum of these vectors make with the x-axis in degrees?can i have some help with this problem:Two position vectors are given by Á = (4.00m)î – (2.00m)j – (3.00m)k and B= (4.00m)i - (5.00m)k. What is the scalar product of (3Á) · B? O (16.0m²)î + (15.0m²)k O 31 m2 (48.0m2)i + (45.0m2)k O 93 m2 O None of the above.
- = (e) In the figure below, a solid ball rolls smoothly from rest (starting at height H 6.0 m) until it leaves the horizontal section at the end of the track, at height h = 2.0 m. How far horizontally from point A does the ball hit the floor? HThe force F has a magnitude of 770 N. Express F as a vector in terms of the unit vectors i and j. Identify the x and y scalar components of F. Assume F-770 N, 8-23° Answers: F- i i+ i j) N Fx- i N Fy- i Nwhy would it be +1/2gt instead of -?