The velocity of a train changes from 0 to 60km/hr in 20 seconds. Assuming that it is uniformly accelerated, what is the acceleration in m/s2?

Q: Mr. Mangan runs 100 m south in 12 seconds and 75 m west in 9 seconds. What is his average speed?…

A: Given: The positive and negative axes and directions are shown.

Q: If you divide the total distance traveled on a car trip (as determined by the odometer) by the…

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Q: How long (in seconds) does a sports car travel before coming to rest if its initial velocity is 100…

A: Given data: Initial velocity (v0) = 100 m/s Final velocity (v) = 0 m/s Acceleration (a) = -5 m/s2…

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: A car travels at 30 m/s for 2 minutes. How far has it travelled in this time? 3 600 m

A: Given : Speed of a car (v) = 30 m/s Time taken (t) = 2 minutes = 2 × 60 = 120 s

Q: On a 10 mile drive, a man exceeds the 50 mi/hr speed limit by an average of 10 mi/hr. How much time…

A: time = distancespeed

Q: A car accelerates from 13 m/sm/s to 23 m/sm/s in 6.4 ss . How far did it travel in this time?

A: The acceleration is,

Q: An airplane accelerates from rest to a speed of 125 m/s while traveling a distance of 500 m How…

A: We will use two kinematic equation to solve the problem. First of all we will calculate the…

Q: . A truck increases its speed uniformly from 13 kph to 50 kph in 25 sec. What is the most nearly the…

A: Given data: Initial velocity v1= 13 k/h Final velocityv2 =50 k/h Time t = 25 s

Q: A cheetah chasing after an ostrich is sprinting at 9.5 m/s. In order to catch the ostrich, it speeds…

A: Given data:  Initial velocity (Vi) = 9.5 m/s Final velocity (Vf) = 12.7 m/s Time (t) = 2.1 s…

Q: A car decelerates uniformly and comes to a stop after 5 s. The car's average velocity…

A: The deceleration is given below

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: A car decelerates uniformly and comes to a stop after 4 s. The car's average velocity…

A:

Q: How far have you traveled after going a constant 5.06 m/s for 8.70 seconds?

A: Given that,                 Speed = 5.06 m/s                 Time  = 8.70 s Formula :…

Q: A car enters the freeway with a speed of 8 m/s and accelerates uniformly for 3.5 km in 2.5 min. How…

A: Given data The speed of the car is u = 8 m/s. The distance traveled by car is S = 3.5 km. The time…

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…

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Q: In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration of the car? 5…

A: Given Initial velocity is v0= 20.0 m/s Final velocity is v= 25.0 m/s Time taken is t= 2.5 s

Q: A long distance runner has an average speed of 3.2 m/s. How far (in m) does the runner travel in 42…

A: Given information:The average speed of the runner (v) = 3.2 m/sThe time for which the runner runs…

Q: A bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 s. What…

A: Given  A bird, accelerating from rest at a constant rate , experience a displacement of 28 m in 11…

Q: A ball is thrown, and its velocity at time t is v(t) = (−t + 5) meters per second. What is its…

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Q: Over a distance of 220 meters, an automobile going initially at +3.0 m/s accelerates evenly at +0.60…

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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 race car traveling at 23 m / s accelerates uniformly to a speed of 10 m / s in an interval of 8.5…

A: Calculate the deacceleration of the car by using the equation of motion. Final speedv=Initial…

Q: A car is traveling at an initial speed of 15 m/s. It then speeds up with a constant acceleration of…

A: Given that:- u=15 m/sa=2 m/s2t=15 secv=?

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: 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: A bullet is fired with a muzzle velocity of 600 m/s. If the length of the barrel is 750 mm, what is…

A: Given data: Muzzle velocity, V=600 m/s Length of the barrel, L=750 mm=750×10-3 m=0.750 m Our…

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: If a bus traveling at 16 m/s is subjected to a steady deceleration of 5 m/s? . How long will it take…

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

Q: A student walks 2 km in 30 minutes. What is the student's average speed in km/hr?

A: Given data:  Distance (d) = 2 km Time (t) = 30 minutes Required: Average speed in km/hr

Q: An object's velocity is ū = (1.0)t²î + 3.0m§. What is the object's acceleration at t=2.0s?

A: Given: An object with velocity V=(1.0ms3)t2i^+3.0msj^ Acceleration a=dvdt…

Q: A long-distance runner has an average speed of 2 m/s during a race. How far does the runner travel…

A: Average speed of runner = 2 m/s  Time = 28 minutes

Q: If the velocity of a moving object is v(t)=t-2/t^2 in meters per second, then what is its…

A: Velocity is defined as the time rate of change of displacement. It is denoted by v and expressed in…

Q: When it takes a car 8.9 s to increase its speed from 4.5 m/s to 25.4 m/s, what is the magnitude of…

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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 accelerates from 14.58 km/h to 58.64 km/h in 2.8 seconds.  What is the value of the…

A: (given) Initial velocity (u) of car = 14.58 km/h = 4.05 m/s  Final velocity (v) of car = 58.64 km/h…

Q: Question 10 A jogger travels 40 m along a path in 20 seconds. What is the jogger's average speed?…

A: Answer:- (B) 2 m/s  Given  Distance (S) = 40 m  Time taken (t) = 20 s  Average speed (Vav) = ?  We…

Q: Over a distance of 280 meters, an automobile going initially at +6.0 m/s accelerates evenly at +0.10…

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

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Q: A car starting from rest is accelerated 15 m/s2. In how many seconds will its velocity be equal to…

A: Given data:  Initial velocity (Vi) = 15 m/s2 Acceleration (a) = 15 m/s2 Final velocity (Vf) = 100…

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 parked police car takes off after a suspect and reaches 65.6km/hr in 6.49 seconds. What was the…

A: Given data: Velocity of car, v=65.6 km/h=65.6×1000 m3600 s=18.22 m/s Time interval, t=6.49 s

Q: A parked police car takes off after a suspect and reaches 65.6 km/hr in 6.49 seconds. What was the…

A: Given Final velocity of police car v = 65.6 Km/hr = 18.22 m/s time t = 6.49 s   We know the…

Q: When the legal speed limit for the New York Thruway was increased from 55 mi/h to 65 mi/h, how much…

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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 –