A cyclist, starting from rest, travels in a straight line for 1010 minutes. During the first 2.0 min2.0 min of her trip, she maintains a uniform acceleration of 0.067 m/s2.0.067 m/s2. She then travels at constant velocity for the next 5.0 min.5.0 min. Next, she decelerates at a constant rate so that she comes to rest 3.0 min3.0 min later. Create a graph of the cyclist's velocity versus time that closely approximates her trip. The individual events of the trip are represented by the dots at the bottom of the graph. Move each dot to the appropriate velocity.

A car is traveling in a straight line. Its position along the x-axis is given by the function x(t) = (2.5 i m/s)t + (3.7 i m/s2)t2- (2.6 i m/s3)t3. Calculate the average velocity of the car between t = 2.0s and t = 2.5s.

A rocket-powered sled moves along a track, eventually reaching a top speed of 230 m/s to the west. It then begins to slow down, reaching a complete stop after slowing down for 2.85 s. What was the sled s average acceleration and velocity during the slowdown phase?     80.7 m/s^2 west, not enough information     115 m/s^2 east, 115 m/s east     80.7 m/s^2 east, not enough information     0 m/s^2 0, 115 m/s west

@ 2 9. An object initially at rest experiences an acceleration of 1.90 m/s² for 6.50 s then travels at that constant velocity for another 9.90 s. What is the magnitude of the object's average velocity over the 16.4 s interval? m/s F2 10. A person is driving along a straight highway at a speed of 22.0 m/s when the traffic light which is 43.0 m ahead turns yellow. Because of his "reaction time", there is a delay of 0.15 s before the man steps on the brake. The car then slows with a deceleration of 4.20 m/s2. By how much distance does the driver miss the traffic light line? # 3 80 F3 $ 200 F4 m % 5 F5 ^ 6 Submit Assignment MacBook Air & 7 ◄◄ F7 CO * 8 DII FB ( F9 ) 0 A F10 F11 +11 = 4) 品 F12 } delete

Cheetahs can accelerate to a speed of 21.8 m/s21.8 m/s in 2.55 s2.55 s and can continue to accelerate to reach a top speed of 28.6 m/s28.6 m/s . Assume the acceleration is constant until the top speed is reached and is zero thereafter. Let the +?+x direction point in the direction the cheetah runs. Express the cheetah's top speed ?topvtop in miles per hour (mi/h)(mi/h) . vtop=63mph     Starting from a crouched position, how much time ?acceltaccel does it take a cheetah to reach its top speed and what distance ?d does it travel in that time?   taccel=3.35 d=47.98     If a cheetah sees a rabbit 123.0 m123.0 m away, how much time ?totalttotal will it take to reach the rabbit, assuming the rabbit does not move and the cheetah starts from rest?   The last question is where I am stuck, I don't know if I'm using the wrong formula or what.

A rocket-powered sled moves along a track, eventually reaching a top speed of 156 m/s to the west. It then begins to slow down, reaching a complete stop after slowing down for 3.41 s. What was the sled s average acceleration and velocity during the slowdown phase? 45.7 m/s^2 west, not enough information 78 m/s^2 east, 78 m/s éast 45.7 m/s^2 east, not enough information 0 m/s^2 0, 78 m/s west

A train, traveling at a constant speed of 22.0 m/s, comes to an incline with a constant slope. While going up the incline, the train slows down with a constant acceleration of magnitude 1.40 m/s2.   What is the speed of the train after 7.40 s on the incline?

The Willamette Pass ski area in Oregon was the site of the 1993 U.S. National Speed Skiing Competition. The skiers started from rest and then accelerated down a stretch of the mountain with a reasonably constant slope, aiming for the highest possible speed at the end of this run. During this acceleration phase, the skiers traveled 360 m while dropping a vertical distance of 170 m. What is the fastest speed a skier could achieve at the end of this run?

A rocket-powered sled moves along a track, eventually reaching a top speed of 150 m/s to the west. It then begins to slow down, reaching a complete stop after slowing down for 4.21 s. What was the sled s average acceleration and velocity during the slowdown phase? 35.6 m/s^2 east, not enough information 0 m/s^2 0, 75 m/s west 35.6 m/s^2 west, not enough information