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21. The position of an object is given by the equation x=3.0t2+1.5t+4.5 where x is in meters and t is in seconds. What i
Posted: Sun Nov 13, 2022 12:01 pm
by answerhappygod
- 21 The Position Of An Object Is Given By The Equation X 3 0t2 1 5t 4 5 Where X Is In Meters And T Is In Seconds What I 1 (22.08 KiB) Viewed 124 times
21. The position of an object is given by the equation x=3.0t2+1.5t+4.5 where x is in meters and t is in seconds. What is the instantaneous acceleration of the object at t=3.0 s ? A. 3.0 m/s2 B. 6.0 m/s2 C. 9.0 m/s2 D. 19.5 m/s2 E. 36 m/s2 22. A block is placed on an inclined plane, if μs=0.75 what is the maximum angle the plane can have with the horizontal so the block does not slip. A. 75deg. B. 37.5deg C. 36.9deg D. 48.5deg E. 41.4deg