A car comes to a complete stop from an initial speed of 50 mi/hr in a distance of 100 ft. With the same constant acceleration, what would be the stopping distance s from the initial speed of 70 mi/hr

Q: A car has acceleration of 1.20 m/s2 and starts from 2.50 m/s. What is its speed after 5.00 seconds,…

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Q: A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate…

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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 skier starts from rest and slides 9.0m down a slope in 3.0s. In what time after starting will the…

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Q: A space vehicle accelerates smoothly (const. acceleration) from 55.0 m/s at t = 0 to 359 m/s at t =…

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Q: A car is driving 5 m/s and eventually comes to a stop. Which of the statements is correct? * O The…

A: A car is driving at = 5 m/sFinal state = rest Thus, final speed = 0 m/s

Q: A particular airplane with the acceleration of 1.98 m/s^2 will reach liftoff at a speed of 120 km/h.…

A: Time taken to reach lift-off speed 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: The driver of a car traveling at 110km/h slams on the brakes so that the car undergoes a constant…

A: Given: The initial speed of the car is 110 km/h. The time taken by the car is 4.5 s.

Q: A car accelerates along a straight road from rest to 60 km/h in 5.0 s. What is the magnitude of its…

A: Given: initial velocity u = 0 m/s final velocity v = 60 km/h = 16.67 m/s  time t = 5.0 s

Q: The Lamborghini Murcielago can accelerate from 0 to 27.8 m/s (100 km/hr or 62.2 mi/hr) in a time of…

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Q: A penny has a terminal velocity roughly equal to 50.0 mph. If the Empire State building is 1250. ft…

A: Given, Height of building , h = 1250 ft Terminal velocity , vt = 50.0 mph = 73.33 ft/s Time take to…

Q: How many times higher could an astronaut jump on the Moon than on Earth if her takeoff speed is the…

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

A: Given, Acceleration ax = -5.6 m/s2 Time (t) = 4 seconds ∆x = 62.4 m

Q: What is the final speed of a bullet train accelerating at the rate of 200km/hr² from initial speed…

A: The train’s final speed can be found by the following kinematics equation. Here, u, a, and x…

Q: car traveling with the initial speed of 30 m/s and traveling a distance 450 m with the final…

A: A car initial speed u = 30 m/s  The final speed of the car is v = 80 m/s  The distance travel by the…

Q: THE FRENCH TGV IS THE FASTEST TRAIN WITH STEEL WHEELS IN THE WORLD WITH A TOP SPEED OF 574 km/h. IF…

A: When acceleration or deceleration is constant then all the equation of motions are applicable. In…

Q: You toss a stone straight up and it comes back down in a total time of 6 s, what is the speed of the…

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Q: During a hard sneeze, your eyes might shut for 0.44 s. If you are driving a car at 75 km/h during…

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Q: During a hard sneeze, your eyes might shut for 0.31 s. If you are driving a car at 81 km/h during…

A: Given data The time interval of a hard sneeze is given as t = 0.31 s. The speed of the car is given…

Q: A car is moving at a constant acceleration of 3.2 m/s away from a tree. At t = 0, the car is 14 m…

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Q: How many times higher could an astronaut jump on the Moon than on Earth if his takeoff speed is the…

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Q: An car runs the first 18 minutes at an average speed of 11 m/s. What must be the average speed…

A: Let the average speed of following 42 min be x m/s Let the distance traveled in that 42 min be d1 So…

Q: During a braking test, a car is brought to rest beginning from an initial speed of 56 mi/hr in a…

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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: A race car increases its speed from 80 mi/h to 160 mi/h in a distance of 100m. Find (i) the…

A: Given data: The initial speed is u=80 mi/h. The final speed is v=160 mi/h. The distance covered is…

Q: A car travels a total distance of 300m.During the first half of this distance, the car starts from…

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

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Q: The minimum distance required to stop a car moving at 50 km/h is 20 m. What is the minimum stopping…

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Q: In a rally a road is designed so that the minimum acceleration for a car to jump is 12.8 m/s?. The…

A: Using kinematic equation, the expression for find length is v2=u2+2all=v22a

Q: The driver of a car travelling at 20m/s need to quickly reduce the car's speed to 15m/s to round a…

A: Let a denotes the deceleration, u denotes the car’s initial velocity, v denotes the car’s final…

Q: An astronaut exploring a distant solar system lands on a planet with a gravitational acceleration of…

A: Given that------ initial velocity u = 1.8 m/sec. acceleration a = - 7.46 m/s2 . Question ?…

Q: A car accelerates uniformly from rest to a speed of 40 mi/h in 10 seconds find the distance the car…

A: Given: initial speed of car u = 0 m/sfinal speed of car v= 40 mi/hr =  17.88 m/stime t =10 sec

Q: A truck and a car travel on a straight road with equal speeds of 72km / h, when the car is 5 m…

A: Let a and b denote the distances between the car and the truck just before and just after the car’s…

Q: Assume an intercontinental ballistic missile goes from rest to a suborbital speed of 8.50 km/s in…

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Q: A galloping horse has a speed of 12 m/s at t= 0. After 50 s its speed is 8 m/s. Calculate the…

A: herev= 8 msu=12 mst=50 s

Q: A car travelling at 300 m/s came to a complete stop in 15 seconds. What is the car's acceleration?…

A: Given , initial velocity(u) = 300m/s.As the car is coming to rest, final velocity(v)=0m/sTime…

Q: A car comes to a complete stop from an initial speed of 60 mi / hr in a distance of 200 ft. With the…

A: Given: Case 1: Initial speed u=60 mi/hr=601.467ft/s=88.02 ft/s, Final speed v=0 ft/s, Stopping…

Q: During a braking test, a car is brought to rest beginning from an initial speed of 54 mi/hr in a…

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Q: A ball is thrown straight up with an initial speed of 12 m/s. How high it can go?

A: Given value -  For calculating maximum height, we will use following equation -

Q: You toss a stone straight up and it comes back down in a total time of 6 s, what is the speed of the…

A: Time of flight, T = 6 s Acceleration due to gravity, g = 9.81 m/s2   The time of flight for…

Q: A toy train rolling on a straight stretch of tracks, initially going 0.31 m/s slows uniformly to…

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Q: During a braking test, a car is brought to rest beginning from an initial speed of 52 mi/hr in a…

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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: During landing, the speed of an aircraft decreases uniformly from 50 m/s to 10 m/s over a distance…

A: Given : vi = 50 m/s vf = 10 m/s s = 250 m

Q: A car starts from rest, then accelerates at a constant rate over a distance of 70 m. It then…

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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 –