A motorboat starting from rest travels in a straight line on a lake. (a) If the boat achieves a speed of 7 m/s in 11.9 s, what is the boat's average acceleration? Then, in 3.1 more seconds, the boat's speed is 20 m/s. (b) What is the boat's average acceleration for the total time?

Q: Saab advertises a car that goes from 0 to 60 mi/hr. in 6.2 seconds. What is the average acceleration…

A: The average acceleration of an object with an initial velocity vo and final velocity vf is given by,…

Q: motorcycle started from rest is moving at a constant acceleration of 10 m/s^2 for 10 s. What is the…

A: Given  initial speed (u)=0 acceleration(a)=10 ms-2 time taken(t)=10 s Required total displacement…

Q: How far a car travels in one second with initial speed of 10 m/s and acceleration of 1 ?

A: Write the given values of the problem- Time(t) t=1 second initial speed(u) u=10 m/s Acceleration(a)…

Q: A car accelerates uniformly from rest to 60 m/s in 5s. What is its acceleration? a. 15m/s^2 b.…

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Q: A car stars from rest and has a constant acceleration of 3 ft/s?. Find the average velocity during…

A: vi = 0 ft/s a = 3 ft/s2 t = 10 s vavg = ?

Q: A body starts from rest, moves in a straight line with constant acceleration and covers a distance…

A: The equations of motion are  where, u is the initial velocity, v is the final velocity, a is the…

Q: If a bus travelling at 34 m/s is subjected to a steady deceleration of 8 m/s², how long will it take…

A: Given data:  Initial velocity (Vi) = 34 m/s Acceleration (a) = -8 m/s2  Final velocity (Vf) = 0 m/s…

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: If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest, what is her acceleration?…

A: SOlurion: Given that If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest,  For…

Q: A car is moving along a straight line with an initial velocity of 11.80 m/s. Its acceleration is…

A:

Q: If a car running at a speed of 72 km/h stopped five seconds after braking at the red light of the…

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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: The acceleration of a body decreases exponentially from the initial value 2 m/s² to 0, with its…

A: Given, acceleration a = 2 m/s2 initial velocity u = 0 m/s final velocity v = 10 m/s   We know the…

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

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Q: An object moves in a straight line according to the law v = t^3 -6t^2+4t, where v is in meters per…

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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…

A:

Q: If a bus travelling at 18 m/s is subjected to a steady deceleration of 3 m/s?, how long will it take…

A: Given data :- initial velocity u = 18 m/s final velocity v = 0 m/s deceleration a = -3 m/s2

Q: How long would it take a car to get to 80 m/s from rest if it accelerated at a rate of 53 m/s?

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Q: A braking car on dry pavement has a constant acceleration of -3.0 m/s?. If the car was moving at…

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Q: a car starting from rest moves in a straight line with a constant acceleration of 1.90 m/s^2 for a…

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Q: A car begins driving from a stationary position. It accelerate 4 m/s? for 10 seconds, then travels…

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Q: A dragster travels 1/4 mi in 6.7 s. Assuming that acceleration is constant and the dragster is…

A: Given Information:Initial velocity u = 0Distance travelled s = (1/4) miles = 402.336 meters.1 mile =…

Q: How far does a car travel in 3.0 s if its initial velocity is 6.0 m/s and its acceleration is 2.0…

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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 bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s?. How long will it take…

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

Q: Rob drove to the nearest hospital with an average speed of v m/s in t seconds. If he drives home on…

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Q: A car goes from rest, up to 108km/h in 10 seconds. What is its acceleration in m/s^2? * O 3 m/s2…

A: The velocity of the car is, v=108 kmh1000 m1 km1 h3600 s=30 m/s

Q: An object starts from rest and undergoes uniform acceleration. During the first second it travels 5…

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Q: A jumbo jet must reach a speed of 360 km/h on the runway for takeoff. What is the lowest constant…

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Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s? .How long will it take…

A: Given that                    The bus is traveling at(v)= 21m/s     and which is subjected to a…

Q: An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10…

A:

Q: A light plane must reach a speed of 82 m/s for takeoff. How long a runway is needed if the…

A: Given, Speed of the light plane v = 82 m/s acceleration a = 33 m/s2   find the length of the runway

Q: child traveling 3 m/s on a sled passes her younger brother. If her average acceleration on the…

A:

Q: If a bus travelling at 24 m/s is subjected to a steady deceleration of 2 m/s?, how long will it take…

A: Given: Intial Speed  (u) = 24 m/s  Acceleration (a) = - 2 m/s2  Final speed (V) = 0 m/s ....(rest)…

Q: A cheetah is hunting. Its prey runs for 3.06 s at a constant velocity of +8.90 m/s. Starting from…

A: The acceleration of the Cheetah can be calculated using following steps.Prey runs for 3.06 s at…

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 bus traveling at 30 m/s is subjected to a steady deceleration of 6 m/s? . How long will it take…

A: Given : The initial speed of the bus is 30 m/s  The deacceleration of the bus is  6 m/s2. The final…

Q: A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity…

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Q: A scooter has a constant acceleration of +4.0 /s. Find its displacement after 2.0 s, if the initial…

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Q: A car traveling in a straight line with an initial velocity of 10 m/s undergoes a constant…

A: Use the kinematic equation in terms of initial velocity, time, and distance covered. ∆x=vit+12at2

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

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Q: A car company claims that its car can accelerate at 1.4 m/s^2. If the car starts from rest how long…

A: Given data: Acceleration (a) = 1.4 m/s2 Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 28.0 m/s…

Q: If a car travelling at 34 m/s is subjected to a steady deceleration of 4 m/s?, how long will it take…

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Q: A coin was tossed vertically straight upward with initial velocity 4.6 m/s. As the coin reaches…

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Q: A long distance runner has an average speed of 4 m/s during a race. How far does the runner travel…

A: Answer = 4800 meters

Q: A bicyclist is practicing to increase his endurance for a one-hour trip. He has an average speed of…

A:

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 –