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71. A sprinter accelerates at a constant rate of xis. mly during the first 10.0 m...
A sprinter is running at a speed of 9.30 m/s, then accelerates at a constant rate of 1.37 m/s2 for the last 9.70 m of the race. What is his final speed as he crosses the finish line?
A sprinter is running at a speed of 8.70 m/s, then accelerates at a constant rate of 2.65 m/s2 for the last 9.80 m of the race. What is his final speed as he crosses the finish line? NumberUnits How long did it take him to run the last 9.80 m of the race? NumberUnits
12) A sprinter running a 100 m race starts at rest and accelerates at constant acceleration A for 3.0 seconds and then maintains a constant velocity. In terms of A, what is the position of the runner after 3.0 seconds? What is A if the sprinter finishes the race in 12.0 seconds? 13) What force is needed to accelerate a 30.0 lb block at 2.2 m/s2? 14) What force is needed to stop a 1500 kg car in 40 m...
A sprinter in a 100m race accelerates from rest at a rate of 5.0m/s^2. She maintains this acceleration for a period of 6.0s. Once she has reached her top speed, she continues to run at her top speed for the rest of the race. Q. calculate the total time take for the sprinter to run the 100m race. - how do I get the time while accelerating and time while at constant velocity? Could you please explain how EASY and...
Chapter 2, Problem 2/084 Multistep A sprinter practicing for the 200-m dash accelerates uniformly from rest at A and reaches a top speed of 39 km/h at the 68-m mark. He then maintains this speed for the next 66 meters before uniformly slowing to a final speed of 34 km/h at the finish line. Determine the maximum horizontal acceleration which the sprinter experiences during the run. Where does this maximum acceleration value occur? Finish line 39.9 m â–¼Part 1 Your...
A typical male sprinter can maintain his maximum acceleration for 2.0 s and his maximum speed is 10m/s . After reaching this maximum speed, his acceleration becomes zero and then he runs at constant speed. Assume that his acceleration is constant during the first 2.0 s of the race, that he starts from rest, and that he runs in a straight line. How far has the sprinter run when he reaches his maximum speed? What is the magnitude of his...
Usain Bolt can sprint 100 m in 10s. He accelerates uniformly for the first 3 s of the race and then maintains a constant velocity for the final 7s of the race. Find his acceleration during the first 3s of the race. What distance does he travel in the first 3s of the race? What is the velocity when be finishes the race?
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 10.0 s. It runs at a constant speed for 50.0 s and slows down at a rate of 3.20 m/s2 until it stops at the next station. How far apart are the two subway stations? A 40 m B 80 m C 800 m D 920 m E None of the above.
1. A rocket accelerates upward from rest during the first stage with a constant acceleration of a1 = 95.0 m/s2 for t1 = 30.0 s. The first stage then detaches and the second stage fires, providing a constant acceleration of a2 = 50.0 m/s2 for t2 = 60.0 s. (a) What is the total distance traveled by the rocket during both stages? (b) What is the speed of the rocket after the second stage burn?
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for 0.58 min What is its speed at the end of this time? Answer in units of m/s. 006 (part 1 of 2) 10.0 points A glacier advances at 3.5 x 10-6 cm/s. How far will it move in 70000 s? Answer in units of cm. 007 (part 2 of 2) 10.0 points How far will it move in 5.2 y? Answer in units of...