Question 23 ms=10 °s) elapses from the time tHe Dan I JI22. A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20×10'IIDSfor 8.10×10¬4s. What is its muzzle velocity (that is, its final velocity)?P3. (a) A light-rail commuter train accelerates at a rate of 1.35 m/s². How long does it take to reach its top speed of80.0 km/h, starting from rest? (b) The same train ordinarily decelerates at a rate of 1.65 m/s². How long does it take tocome to a stop from its top speed? (c) In emergencies the train can decelerate more rapidly, coming to rest from 80.0km/h in 8.30 s. What is its emergency deceleration in m/s2?24. While entering a freeway, a car accelerates from rest at a rate of 2.40 m/s² for 12.0 s. (a) Draw a sketch of thesituation. (b) List the knowns in this problem. (c) How far does the car traveľ in those 12.0 s? To solve this part, firstidentify the unknown, and then discuss how you chose the appropriate equation to solve for it. After choosing theequation, show your steps in solving for the unknown, check your units, and discuss whether the answer is reasonable.(d) What is the car's final velocity? Solve for this unknown in the same manner as in part (c), showing all stepsexplicitlyR. At the\end of a race, a runner decelerates from a velocity of 9.00 m/s at a rate of 2.00 m/s². (a) How far does sheravel in the next 5.00 s? (b) What is her final velocity? (c) Evaluate the result. Does it make sense?26. Professional Application: Blood is accelerated from rest to 30.0 cm/s in a distance of 1.80 cm by the left ventricleof the heart. (a) Make a sketch of the situation. (b) List the knowns in this problem. (c) How long does the t--acceleration take? To solve this part, first identify the unknown, and then discuss how you chose the appropriateequation to solve for it. After choosing the equation, show your steps in solving for the unknown, checking your units.(d) Is the answer reasonable when compared with the time for a heartbeat?oolov ianil zidl ei edW (s)2 00D. In a slap shot, a hockey player accelerates the puck from a velocity of 8.00 m/s to 40.0 m/s in the same direction.If this shot takes 3.33×102s, calculate the distance over whịch the puck accelerates. emof bb ebnoban otom ni) mirl to borle anl woll anda28. A powerful motorcycle can accelerate from restto 26.8 m/s (100 km/h) in only 3.90 s. (a) What is its averageacceleration? (b) How far does it travel in that time? L0001 blrow orh 02Yreight trains can produce only relatively small accelerations and decelerations. (a) What is the final velocity of anght train that accelerates at a rate of 0.0500 m/s² for 8.00 min, starting with an initial velocity of 4.00 m/s? (b) Ifthe train can slow down at a rate of 0.550 m/s², how long will it take to come to a stop from this velocity? (c) How farwill it travel in each case?rest to a velocity of 65.0 m/s over a distance of 0.250 m. (a) How long did

Given data: Acceleration (a) = 1.35 m/s2 Initial velocity (V0) = 0 m/s Final velocity (V) = 80.0…

22. A bullet in a gun is accelerated from the firing chamber to the end of the Udnu for 8.10x10 s. What is its muzzle velocity (that is, its final velocity)? 23. (a) A light-rail commuter train accelerates at a rate of 1.35 m/s². How long does it take to reach its top speed of 80.0 km/h, starting from rest? (b) The same train ordinarily decelerates at a rate of 1.65 m/s². How long does it take to come to a stop from its top speed? (c) In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration m/s2? sqmo.dmil rest at a rate of 2.40 m/s for 12.0 s. (a) Draw a sketch of the 12.0 s? To solve this part, first