An automobile moving along straight track changes its velocity from 40m/s to 80m/s in a distance of 200m . What is the constant acceleration of the automobile during this time?

Q: You are on the roof of a Physics Building, 23 m above the ground. Your physics professor, who is…

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Q: If you run in a straight line at a constant speed of 6 m/s, how far do you travel in 3 seconds? 18…

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Q: You are on the roof of a Physics Building, 36 m above the ground. Your physics professor, who is…

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Q: A car traveling with an initial velocity of 10 m/s accelerates at 2 m/s2. What is the car’s final…

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Q: A greyhound accelerates at 2 m/s^2 for 7s. How far does it travel and what is its velocity?

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Q: A toy car moving in the -x direction experiences an acceleration of +1.5 m/s2. What does this mean?…

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Q: A 12 m long diesel engine is driven alongside a 400m long freight train with the same velocity of 6…

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Q: You are on the roof of a Physics Building, 54 m above the ground. Your physics professor, who is 1.7…

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Q: woman walks a distance of 504m, with an average speed of 1.4m/s. What time was required to walk this…

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Q: You are on the roof of a Physics Building, 44 m above the ground. Your physics professor, who is…

A: Apply the second kinematic equation to determine the time to drop the egg on head.

Q: You are driving down a street at 55 km/h. Suddenly, a child runs into the street. If it takes you…

A: Given Speed of vehicle  v= 55 km/h  = 55 × 5 / 18 m/s v = 15.3 m/s Time taken to react  t = 0.75 s…

Q: What is the average acceleration of an airplane in a runway that accelerates from rest to 750 km/h…

A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 750 km/h Time (t) = 2.2 minutes…

Q: At the instant the traffic light turns green, a car that has been waiting at an intersection starts…

A: Given:- Acceleration of the car is 6 feet /sec2  At the same time, a truck traveling with a constant…

Q: A sports car accelerates from rest to 95 km/h in 4.3 s. What is its average acceleration in ?/?2?

A: Given value--- initial speed = 0 m/s. final speed = 95 km/h. time = 4.3 sec. We have to find---…

Q: If an object travels at a constant velocity, what can we say about its acceleration? What is another…

A: If an object travels at a constant velocity, it has zero acceleration. Another Situation: A photon…

Q: While slowing down from 25m/s to 10m/s, a boat moves a distance of 250m. How much time did it take…

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Q: A car, initially traveling at (30 km/hr), accelerates at the constant rate of 1.50 m/s?. How far…

A: Here we have to use equation of motion

Q: You are on the roof of a Physics Building, 11 m above the ground. Your physics professor, who is 1.8…

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Q: A runner makes one lap around a 200 m track in 25 seconds. What were the runner’s average speed and…

A: From the question it is given that:  Distance traveled to make one lap: s = 200 m Time taken to…

Q: arathon runner runs with an average velocity of 2.4m/s. How long (in seconds) does it take for the…

A: Given that                      The average speed of the runner(v) = 2.4m/s                      He…

Q: You are on the roof of a Physics Building, 26 m above the ground. Your physics professor, who is…

A: Height of Physics building, H = 26 m Height of Professor, h = 1.79 m Velocity at which professor…

Q: On a straight road, a car speeds up at a constant rate from rest to 20 m/s over a 5 second interval…

A: Given data: Initial speed of car is, u=0 m/s                           (Because car starts from…

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: You are driving down the highway late one night at 20 m/s when a deer steps onto the road 35 m in…

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Q: You throw a ball straight up with an initial velocity of 15.9 m/s. On the way up it passes a tree…

A: Given that: u=15.9 m/sh=6.6 m

Q: A car can accelerate at a rate of 5 m/s^2. What is the distance the car travel before it stops if…

A: Given the intial velocity of the car u = 25 m/s Acceleration of the car is a = 5 m/s² Let the…

Q: A person walks first at a constant speed of 5m/s along a straight line from point A to point B and…

A: Let 'd' be the distance between point A and point B. Constant speed to person from A to B: v1 = 5…

Q: An airplane accelerates from a velocity of 280 m/s at the constant rate (acceleration) of 12.7 m/s^2…

A: Using kinematic equation, the expression for find final velocity is v2=u2+2adv=u2+2ad

Q: You are on the roof of a Physics Building, 19 m above the ground. Your physics professor, who is…

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Q: 1. A person drops a stone from the top of a bridge that is 28.6m high. How long (in s) will it take…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: You are on the roof of a Physics Building, 34 m above the ground. Your physics professor, who is…

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Q: A car is travelling along a straight highway with a constant velocity of 10 m/s. Suddenly, the car…

A: Given Initial velocity u= 10 m/s Acceleration a= 3 m/s2

Q: You are on the roof of a Physics Building, 47 m above the ground. Your physics professor, who is…

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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: On the x-axis, a particle is accelerated from 6m and from 4m/s to 8m/s for a total time of 3…

A: Given data: Initial position =6 m Initial velocity u= 4 m/s Final velocity v= 8m/s Time t=3s

Q: You are on the roof of a Physics Building, 27 m above the ground. Your physics professor, who is…

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Q: You are on the roof of a Physics Building, 19 m above the ground. Your physics professor, who is…

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Q: A cheetah is walking at a speed of 1.10 [m/s] when it observes a gazelle 41.0 [m] directly ahead. If…

A: Given data :- For cheetah : initial speed u = 1.10 m/s distance s = 41 m acceleration a = 9.55 m/s2…

Q: A bowling ball travelling with a constant velocity hits the pins at the end of a bowling lane 16.90m…

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Q: On a 200 km bike cycle ride, you ride the first 90 km at an average speed of 20 m/s. What must your…

A: Total distance (d) = 200km = 200000m First 90km avg speed is 20m/s For the entire 200km avg speed is…

Q: An electron is accelerated from rest to 3.0 × 106 m/s in 5.0 × 10−8 s. What distance does the…

A: Given, Initial velocity of electron u = 0 Final velocity of electron v = 3 x 106 m/s Time t = 5 x…

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 –