-11m to 3m in 14s express your answer in meters per second
Added by Andrea B.
Step 1
Displacement = final position - initial position = 3 m - (-11 m) = 3 m + 11 m = 14 m Show more…
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A car initially traveling at 4 m/s accelerated uniformly to a speed of 11 m/s over a distance of 4 meters. What is the magnitude of the car's average acceleration? Report 1 decimal place in your answer. Do not type in the unit or the computer will mark your answer incorrect. An object moving with a speed of 5 m/s accelerates uniformly at 9 m/s² in the direction of its motion for a distance of 1 meters. What is the final speed of the object? Report your answer to 1 decimal place. Do not type in the unit or the computer will mark your answer incorrect.
Sri K.
Velocity (m/s) Time (s) The total distance traveled by the object during the indicated 14 s is (A) 7.5 m (B) 25 m (C) 62.5 m (D) 77.5 m The total displacement of the object during the 14 s indicated is (A) 7.5 m (B) 25 m (C) 62.5 m (D) 77.5 m The average velocity over the whole time, in meters per second, of the object is (A) 0 (B) 0.5 (C) 2.5 (D) 4.5
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Question 19 A 68 meter long train moving at the speed of 39 m/s takes 9.6 sec to pass an underground tunnel completely. What is the tunnel length in meter? Question 20 A ball is dropped from a height of 68 m. What is height of the ball from the ground after 2 sec of falling? Question 21 A car travels 5.2 sec with speed 12.2 m/s and then accelerates at 2.3 m/s2 for 6.1 sec. What is the average speed [in m/sec] in the whole trip?
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