To stop the car, a car leaves a skid marks 200m long on the highway. Assuming a deceleration of 7.5m/s2, what must be the speed of the car before braking?

Q: If a bus travelling at 48 m/s is subjected to a steady deceleration of 5 m/s², how long will it take…

A: Given data :                      Deceleration     =     a                      Final velocity     =…

Q: A racing car has a uniform acceleration of 15 m/s?. What distance will it cover in 14 seconds after…

A:

Q: A racing car has a uniform acceleration of 16 m/s?. What distance will it cover in 10 seconds after…

A: Given data :                   Initial velocity   =     u                   Acceleration     =     a…

Q: A car accelerates uniformly from rest to final speed of 18m/s in 9sec. How far does it travel…

A: Given value--- initial speed = 0 m/s. final speed = 18 m/s. time = 9 sec. We have to find---…

Q: If a bus travelling at 38 m/s is subjected to a steady deceleration of 6 m/s2, how long will it take…

A: We know thatv=u+atWherev=final velocityu=initial velocitya=accelerationt=time taken

Q: Starting from rest, a car undergoes a constant acceleration of 6 m/s^2. How far will the car travel…

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Q: A fighter jet can accelerate at 12 m/s2 At this rate, how long will it take for it to reach a speed…

A: Given data:  Acceleration (a) = 12 m/s2 Initial velocity (V0) = 0 m/s, rest Final velocity (V) = 72…

Q: A ball dropped from a helicopter takes 1.6 s to fall the final 35 m. From what height was itdropped?

A: The initial velocity when it has to still fall 35m is

Q: A car is traveling at 60km/h when the brakes are fully applied, producing a constant deceleration of…

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Q: An automobile driver puts on the brakes and decelerates from 40 m/s to zero in 20 s. What distance…

A: Given data *The initial speed of the car is u = 40 m/s *The final speed of the car is v = 0 m/s *The…

Q: If a car travelling at 28 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…

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Q: If a car travelling at 64 m/s is subjected to a steady deceleration of 16 m/s², how long will it…

A:

Q: A racing car has a uniform acceleration of 20 m/s?. What distance will it cover in 16 seconds after…

A: Given data:  Acceleration (a) = 20 m/s2 Initial velocity (Vi) = 0 m/s Time (t) = 16 s Required:…

Q: . An airplane has an average acceleration of 2.19 m>s2 during takeoff. If the airplanestarts at…

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Q: If a car travelling at 44 m/s is subjected to a steady deceleration of 6 m/s², how long will it take…

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Q: A package is dropped from a helicopter at a height of 310m. If it accelerates toward earth at…

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Q: From a speed of 20 m/s, a car decelerates at a constant rate of 0.14 m/s² along a straight path. How…

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Q: At time t = 1 s, a particle is traveling at 72m/s and begins to decelerate at the rate a(t) = −t−1/2…

A: The solution to this problem is completely based on integral analysis, where the integral expression…

Q: On average, an eye blink lasts about 100 ms. How far does a MiG-25 “Foxbat” fighter travel during a…

A:

Q: If a bus travelling at 24 m/s is subjected to a steady deceleration of 6 m/s2, how long will it take…

A: Given data :   Final  velocity  =   v   Deceleration   =  a  Initial velocity   =  u        To find…

Q: How long a car will take to cover 25 m wide intersection, if the car accelerates from rest at a…

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Q: A car accelerates from rest to a speed of 35 m/s in 7.5 s. How far did the car gomin this time?

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Q: If a cat travelling at 40 m/s is subjected to a steady deceleration of 6 m/s², how long will it take…

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Q: A sports car accelerates from rest to 95 km/h in 4.3 s. What is its average acceleration in m/s2?

A: Given data:    95km/h×1031km×1hour3600sec=26.389m/s   Time,∆t =4.3s

Q: If a bus travelling at 16 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…

A: Given data :                    Final   velocity    =   v                    Initial velocity     =…

Q: If you run from  x=0 m to x=25 m and back to your starting point in a time interval of  5s, what is…

A:

Q: If a car travelling at 66 m/s is subjected to a steady deceleration of 7 m/s², how long will it take…

A: Given data :                       Initial velocity    =    u                       Final  velocity…

Q: If a car is driving with a velocity of 30m/s, how long will it take to travel 220 m?

A: Given data The velocity of car is v = 30 m/s. The distance travelled by car is d = 220 m. The time…

Q: How long does it take a train to reach a velocity of 30m/s when it accelerates at a rate of…

A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 30 m/s Acceleration (a) = 0.2 m/s2…

Q: A racing car has a uniform acceleration of 14 m/s?. What distance will it cover in 14 seconds after…

A: Given data:  Acceleration (a) = 14 m/s2 Time (t) = 14 s Initial velocity (Vi) = 0 m/s Required:…

Q: A racing car has a uniform acceleration of 12 m/s?. What distance will it cover in 10 seconds after…

A:

Q: An object is movine from 13m/s to 20km/h, and it takes that object 3 minutes, what is the objects…

A:

Q: A racing car has a uniform acceleration of 8 m/s? . What distance will it cover in 4-0 seconds after…

A: Given data :                   Acceleration    =     a                Initial velocity     =     u…

Q: A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?

A: Given : the car is initially at rest; initial velocity (u) = 0 ms-1 Acceleration (a) = 4 ms-2 Time…

Q: A car accelerates uniformly from rest to final speed of 18m/s in 9 sec. How far does it travel…

A: given u = 0  ( as car start from rest so initial velocity is zero) v = 18 m/s   ( final velocity) t…

Q: If a car travelling at 46 m/s is subjected to a steady deceleration of 12 m/s², how long will it…

A: Given data :                        Final velocity     =    v                        Initial…

Q: if a flea can jump straight up to a height of 0.440m what is its initial speed as it leaves the…

A: The expression to find the initial speed is,

Q: If a bus travelling at 25 m/s is subjected to a steady deceleration of 2 m/s², how long will it take…

A: Introduction :  In this question we are provided it value of initial velocity , final velocity and…

Q: A racing car has a uniform acceleration of 10 m/s?. What distance will it cover in 13 seconds after…

A: Given  Uniform Acceleration, A = 10 m/s2  Time, T = 13 sec    distance after T sec from the start is…

Q: an aircraft speeds up at a rate of 15m/s from rest. how long will it take to reach a velocity of…

A: initial speed of aircraft (u) = 0 msRate of increase of velocity = acceleration acceleration = 15…

Q: A Boeing 747 airliner, initially at rest, undergoes a constant acceleration of 10 m/s2 down the…

A: Given data The acceleration of the airliner is a = 10 m/s2. The time is taken by the airliner is t =…

Q: If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s, how long will it take…

A:

Q: How long does a ball stay in the air if it is 20m/s and it is thrown straight up?

A: Given,

Q: A racing car has a uniform acceleration of 4 m s - '2. What distance will it cover in 10 s after…

A: Given data :                   Initial velocity of the  car    =   u                    Acceleration…

Q: A racing car has a uniform acceleration of 4 ms ². What distance will it cover in 10 s after start?

A: Given Data :                Initial velocity of the car    =    u                Acceleration     =…

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 –