A turtle and a rabbit engage in a footrace over a distance of  4km. The rabbit runs  0.5km and then stops for a 90-min nap. Upon awakening, he remembers the race and runs twice as fast. Finishing the course in a total time of  1.75h, the rabbit wins the race. Calculate the average speed of the rabbit

Q: What is the acceleration of the fastest human sprinters? Olympic sprinter, Usain Bolt, reaches his…

A:

Q: A motorist enters a freeway at 30 mi/h and accelerates uniformly to 60 mi/h. From the odometer in…

A: Here, v0=30mi/h=44ft/svf=60mi/h=88ft/s

Q: A runner practices along a straight line 2000 m long, running back and forth until she returns to…

A: Length of straight running track = 2000 m Runner runs back and forth until she returns to the…

Q: A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then 1.0 km…

A: Given:The travels Distance,The toatal distance,SS=1 km+1 km+1 km   =3 kmTime,t=45 min.What was the…

Q: A cyclist travels from point A to point B in 10 min. During the first 2.0 min of her trip, she…

A: Given: Acceleration for first t = 2 min is a = 0.051 m/s2 starting at x = 0 ; u = 0 her velocity at…

Q: A cyclist rides 9.6 km east for 24 minutes, then he turns and heads west for 9 minutes and 3.6 km.…

A: Given 9.6 km East for 24 minute3.6 km west in 9 minutes16.8 km East in 42 minutes

Q: Two sports cars (A and B) are racing on a straight track of length 5 km. Initially, two cars were at…

A: For Car A, it is given that Acceleration, aA=0.2 m/s2 Acceleration time, At=1 min=60 s By using the…

Q: car starts from rest and accelerates at a constant 10 m/s2 during a quarter-mile (402 m) race. How…

A: Given: u = 0 m/sa = 10 m/s2s=402 m

Q: A popular web video shows a jet airplane, a car, and a motorcycle racing from rest along a runway .…

A:

Q: A cat walks in a straight line, which we shall call the x-axis with the positive direction to the…

A:

Q: An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at…

A:

Q: In the Cars 2011 auto race, Lightning McQueen and Miguel Camino are moving side by side down a…

A: Given data: Initial velocity of the Lightning McQueen car is, u1=71.5 m/s Final  velocity of the…

Q: In 1977, Kitty O'Neil drove a hydrogen peroxide-powered rocket dragster for a record time interval…

A: Newtons equation of motion is,

Q: A race car starts from rest and travels east along a straight and level track. The eastward…

A: Given data -                           initial velocity of race car = 0 m/s (along east)…

Q: An object moves along a straight line with acceleration -8ms?. It starts its motion at the origin…

A:

Q: 2 A car and a motorcycle moves on a straight line. The car starts 8 meters ahead of the motorcycle.…

A:

Q: A motorcycle ride consists of two segments. During segment 1, the motorcycle starts from rest, has…

A: Given information: The acceleration of the motorcycle in segment 1 is, a1=1.5 m/s2 The displacement…

Q: The Bugatti Veyron can go from 0-100km/h in 2.46s. It takes another 7.34s at a different…

A: a. Given: Initial speed=u=0 km/hr=0m/s Final speed=v=100 km/hr=27.78 m/s Time=t=2.46 sec

Q: V. DISPLACEMENT, VELOCITY AND ACCELERATION 19. A boy from rest started jogging with an acceleration…

A:

Q: You are driving your car with a velocity of 60.0 km/h on a straight road. At t=0 s, you slow down…

A: Initial velocity u = 60 km/h

Q: t(0-28 m/s) t(400m) d (s) Candidate Car model (s) (s) o 1 1994 Ford SVT Boss Mustang 10.0L Concept…

A: For candidate 1 (i.e Ford STD Boss Mustang) model, velocity v(t) of the car at time t is given by…

Q: cat walks in a straight line, which we shall call the x-axis with the positive direction to the…

A:

Q: A runner in 140-m race constantly accelerates for the first 40 m. and then runs with a uniform…

A:

Q: A hungry whale shark is swimming horizontally back and forth looking for food. The motion of the…

A: for displacement (x) vs time (t) graph, Average velocity is given by v⇀avg=Total displacementTotal…

Q: A motorist drives north for 37.0 minutes at 76.5 km/h and then stops for 15.0 minutes. He then…

A:

Q: The Bugatti Veyron can go from 0-100km/h in 2.46s. It takes another 7.34s at a different…

A: Given The initial velocity is u=0. The velocity in t1 = 2.46 s is v1=100 km/h=100×1000 m3600 s=…

Q: Kirby runs along a straight line towards SR1 building to attend PHYS1321 class. First, he runs for…

A: Average velocity=net displacement/total time. Using this definition we have.

Q: The sport with the fastest moving ball is jai alai, where measured speeds can be 293 km/h. If a…

A:

Q: The tortoise and the hare are having a race over a total length L. The with constant speed vo the…

A:

Q: You are standing on a circular track that is 315 m long. You begin jogging at the start line and…

A: given : (a) length of track l=315 m (b) distance travelled by sprinter d = 200m time taken t=21.75 s

Q: A car starts its rectilinear motion with an acceleration of 6.0 m/s2 which it maintains for 4.0 s.…

A:

Q: Determine the magnitude of the average acceleration of the car (in m/s2).   (b) Assume that the car…

A: Given  Vi = initial speed=0 m/s=vi Final speed=45.5 m/s =vf Time required =t=8.50 sec Average…

Q: A motorist drives along a straight road at a constant speed of 20m/s. Just as she passes a parked…

A: constant speed of motorist (u) = 20 msInitial speed of motorcycle of officer (v) = 0 msacceleration…

Q: A jogger jogs from one end to the other of a straight track in 1.08 min and then back to the…

A:

Q: v (m s) 61 Jun'o8 10 t (s) 15 20 -6 An athlete runs in a straight line from point A to point B, and…

A: (i) Write the initial acceleration of the athlete.

Q: Answer All Questions A sprinter ( , clse) in a 200-m race accelerates uniformly from rest for the…

A:

Q: Compute your average velocity in the following two cases: (a) You walk 73.2 m at a speed of 1.22 m/s…

A:

Q: A marathoner runs 22 km [N] and then 32 km[S].Assuming the entire run takes 4.2 hours, solve the…

A:

Q: A turtle and a rabbit engage in a footrace over a distance of 4000m. The rabbit runs 0.500 km and…

A: total distance = d = 4000 m= 4 km total time = t = 1.75 hr for first case distance = d1= 0.5 km, nap…

Q: A racing enthusiast claims that his sports car will accelerate from rest to a speed of 45.5 m/s in…

A: In the question , given initial velocity , final velocity and time and we have to find -----  (a)…

Q: A hare and a tortoise compete in a race over a course 1.00 km long. The tortoise craws straight and…

A: Given data: The length of race course is l=1 km. The speed of tortoise is u=0.2 m/s. The speed of…

Q: A Honda Jazz is stopped at a traffic light. It then travels along a straight road so that its…

A: A Honda Jazz is stopped at a traffic light. It then travels along a straight road so that its…

Q: A turtle and a rabbit engage in a footrace over a distance of 4.00 km. The rabbit runs 0.500 km and…

A: a    Given that, total distance D=4km              total time T=1.75 hrs             Average…

Q: 5. The diagram represents the straight-line motion of a car. Which of the following statements is…

A:

Q: The Willamette Pass ski area in Oregon was the site of the 1993 U.S. National Speed Skiing…

A: The angle of the slope is, sinθ=170 m360 m=0.472θ=sin-10.472=28.2° The acceleration of the skiers…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –