An airplane starts from rest and accelarates at a constant 2.90 m/s2 for 25.0s before leaving the ground. How far did it move and how fast was the airplane going when it took off?

Q: time A rabbit, seeing a dog at time t = 0, runs away in a straight line. The figure shows the…

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Q: bungee jumper reaches a speed of 40 m/s just as the cord begins to stretch. If the time of stretch…

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Q: Jayce threw his softball high in the air as Yukari looked down from her-storey home to see how high…

A: Given quantities: initial velocity (u) = 30 m/s initial height (h) = 1.22 m acceleration due to…

Q: A ball rolls off a 1.50m high table and hits the floor 2.00m from the table. What is the time that…

A: According to the kinematics equation, find the time taken by the ball.…

Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…

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Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…

A: Consider the time taken for rock to come back t = 4 s Consider the initial speed of the rock is u…

Q: A golf ball is dropped from rest from a height of 9.5m. It hits the pavement then bounces back up…

A: Ball first drops from height 9.5m, then bounces back to 5.7 m, again drops and then bounces back to…

Q: Driving along a crowded freeway, you notice that it takes atime t to go from one mile marker to the…

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Q: A sports car starts from rest at an intersection and acceleratestoward the east on a straight road…

A: Given: A sports car starts from rest at an intersection and accelerates toward the east on a…

Q: A boy runs for 21 seconds.  His minimum speed is 2.8 m/s, while his maximum speed is 4.5 m/s.…

A: Given,  t = 21 seconds  u = 2.8 m/s  v = 4.5 m/s  As we know from the Newton's first equation of…

Q: A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant…

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Q: While standing at the edge of the roof of a building, a man throws a stone upward with an initial…

A: Given  Initial vertical speed u=7.39m/s Height h=-19.1 m g=-9.8 m/s2

Q: A basketball referee tosses the ball straight up for the starting tip-off. At what velocity (in m/s)…

A: Required  Launch velocity

Q: A jet plane moving at 300 m/s accelerates at a constant rate to 400 m/s over a distance of 3.5 km.…

A: By equation of motion:- V2 = U2 + 2.a.s Here, s = travelled distance = 3.5 Km = 3500 m u = initial…

Q: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows…

A: Given:-the car Acceleration =-5.25 ms2  for a time t=4.40 s car making straight skid marks 64.4 m…

Q: A small rock is thrown vertically upward with a speed of 23.0 m/s from the edge of the roof of a…

A: Write the kinematic relation for final velocity

Q: A baseball is hit almost straight up into the air with a speed of 24 m/s . Estimate how long it is…

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Q: A basketball referee tosses the ball straight up for the starting tip-off. At what velocity (in m/s)…

A: Given: The height attempt by the player is 1.22 m. The motion of the ball in the vertical plane.

Q: A ball is dropped from rest from the top of the building. What is the velocity of the ball 3.0…

A: A ball is dropped, therefore the initial velocity is 0m/s. u=0m/s Assuming body is undergoing…

Q: A ballplayer catches a ball 3.66 ss after throwing it vertically upward.   With what speed did he…

A: Time after which the ball player catches the ball (t)=3.66 s Acceleration due to gravity (g)=9.8…

Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…

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Q: Joe decides to race his younger sister, Debbie, and gives her a 25 m head start. At the instant Joe…

A: let we start our time when joe start running (time t=0)let joe catches her after time tAfter time…

Q: An object has an initial velocity of 15 m/s. How long must it accelerate at a constant rate of 3 m/s…

A: From equation of kinematics,  V = U + at where, V = final velocity ; U = initial velocity a =…

Q: In a car, you drive from your home 4 km to the gas station, 8 km to the shopping mall to let your…

A: Given data displacement from home to gas station =4 km displacement mall to mother off =8 km…

Q: A cat is playing in the backyard of his owner's place. It can be seen moving back and forth, such…

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Q: A rock is dropped from the top of a vertical cliff and takes 4.36 s to reach the ground below the…

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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 –