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- Which of the vectors is the result of 2A - B? A. B. C. D. E. O B O C O A O DI threw a rock into a quarry horizontally 30 m/s. The quarry was 80 meters deep. How far did it go horizontally? A. 144 m B. 80 m C. 40 m D. 120 me = 0, + wot +at? S = Or w = wo + at v = wr w? = w; + 2a(0 – 0.) atan = ar, a. %3D Tcom - (m,F + m2; + mz73 + .·) 1= E¡m;r? Mtotal An ultracentrifuge accelerates from rest to 9.93 x 10° rpm in 1.87 min. What is its angular acceleration in radians per second squared? angular acceleration: rad/s? What is the tangential acceleration of a point 8.90 cm from the axis of rotation? tangential acceleration: m/s? What is the radial acceleration in meters per second squared and in multiples of g of this point at full revolutions per minute? radial acceleration: m/s? radial acceleration in multiples of g:
- Pick the best mathematical expression that describes this combination of two vectors. R а. А+ В b. Ā-B с. 2A + В d. 2Ā-B 212. An object is thrown horizontally at a height of 2 meters at a velocity of 750 m/s.Assume no air resistance. a. How long until the object reaches the ground? b. How far did the object travel horizontally when it hit the ground? BI U ABE |A- HTMLPlease solve the all part in 20-25 minutes max thank u