Two sprinters will race around a track. Which one will cross the finish line first?Multiple choice question.The one with the greatest average speed.The one with the greatest instantaneous speed.The one with the lowest average speed.The one with the greatest instantaneous acceleration.

Select the correct answerTwo trains of lengths 156.62 and 100 meters are running on parallel lines with respective speeds of 30 km/hr and 36 km/hr.The time of crossing each other, if they run in the opposite direction is_________Options19 sec10 sec14 secnone

A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is:

When starting a foot race, a 76.6 kg sprinter exerts an average force of 524 N backward on the ground for 0.823 s.(a)What is his final speed (in m/s)? m/s(b)How far does he travel (in m)? m

Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is?Question Description : 9.6 91010.8

Jennifer is running the 100.0 m dash at track. She accelerates at a rate of 0.88 m/s2 for thefirst 45 m and then maintains this speed for the remainder of the race. How long will it takeher to finish the race? (Answer: t= 10.1 s + 6.2 s=16.3 s)