A car approaching a turn in the road has its speed decreased from 50 mi/hr to 30 mi/hr while traversing a distance of 120 ft. (a) What was its acceleration and (b) how long did it take to traverse this distance?

Q: You drive 8 km at 70km/h and then another 8.0 kmat 90 km/h. Your average speed over the 16 km drive…

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Q: A late night time talk show host drops a watermelon from the top of the studio. If the speed of the…

A: Given information:The velocity of the watermelon when it hits the ground (v) = 21 m/sThe velocity of…

Q: A French high velocity train accelerated uniformly from 250km/hr to 300km/hr as it speed through a…

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Q: You walk around a block and ends up at your starting point. If each of the four sides of the block…

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Q: How fast is 90 km/hr in m/s?

A: Solution:

Q: After completing a journey of 84 km. A cyclist noticed that he would take 5 hours at least. if he…

A: Let the speed of cyclist be v Distance cyclist travelled d= 84 km Cyclist take time t= 5 hours If it…

Q: If a squirrel at the top a of tree 17 meters high drops a walnut, how long will the take to reach…

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Q: An airplane travels 40 miles in 10 minutes, then travels 20 miles in 80 minutes. Is the pilot…

A: Given data :- distance d1 = 40 miles time t1 = 10 minutes distance d2 = 20 miles time t2 = 80…

Q: A French high-velocity train accelerated uniformly from 250km/hr to 325 km/hr as it sped through a…

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Q: If a squirrel at the top a of tree 5 meters high drops a walnut, how long will the take to reach the…

A: We can use equation of kinematics to calculate time taken by walnut to reach at ground. Equation of…

Q: A rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to…

A: Rockets travel in space in the same way that a thrown ball does. At the most basic level, they…

Q: A car starts from rest and moves in a straight line. Calculate the total distance traveled by 60 10…

A: The total distance traveled by car from 10 minutes to 20 minutes is:

Q: A cheetah can run at approximately 78km/h and a gazelle is slower by 7 km/h. If both animals are…

A: Given data:  Speed of cheetah = 78 km/h Speed of gazelle = slower by 7 km/h Distance between both…

Q: A tosr taise. a olie tamee af 120 matrer in moves 20 minutes . Whet is the averoge speed af tortase…

A: Given data:  Distance (d) = 120 m Time (t) = 20 min Required: The average speed in km/h

Q: A bullet 2.50 cm long is fired at 450 m/s and

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Q: A truck increases its speed uniformly from 15 m/s to 25 m/s over a distance of 300 m. The…

A: Using 3rd kinematic equation: V^2 = U^2 + 2*a*d U = Initial speed of truck = 15 m/s V = final speed…

Q: A locomotive, which accelerates steadily, travels past two consecutive onekilometerstones at speeds…

A: Initial velocity of the locomotive is u = 21 km/hr final velocity of the locomotive is v = 29 km/hr…

Q: What is the displacement of a runner who goes on a 5 kilometer run and ends at their starting…

A: Given :- runner goes on a 5 kilometer run and ends at their starting point .

Q: How far (in meters) will you travel in 3 minutes running at a rate of 6 m/s?

A: time = t = 3 minutes =   1minute =60 s  there foe time = t =3 x 60 = 180 s speed = V = 6 m/s…

Q: A stone accidentally falls from rest from the edge of a 35-m-high building. When the stone is 14m…

A: Time taken by the stone to reach a height of 14m above the ground is given by:- Then from Kinematic…

Q: If the fastest you can safely drive is 65 mi/h, what is the longest time you can stop for dinner if…

A: t=dv=460 mi65 mi/h=7.1 h

Q: Neglecting air resistance, if a coin is dropped from the top of a building and takes 2.9 seconds to…

A: Given data: Time taken by the coin from the top of a building (t) =2.9 s Need to determine the…

Q: From a speed of 46 kph, a train decelerates at the rate of 2m/min2, along the path. How far in…

A: hereu=46 kmpa=-2 mmin2

Q: How long does it take a hiker to walk 7.0 miles if her average speed is 2.0 miles per hour

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Q: How long will it take Steve to run 85 m if he can run 3.4 m/s?

A: Given data:  Distance (d) = 85 m Speed (v) = 3.4 m/s Required: Time (t)

Q: what is the distance a squirrel can jump when running 3m/s and jumping at an angle of 55 degrees?

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Q: A construction zone has a speed limit of 20 km/h for 500 m how long would it take to travel this…

A: Given data: Speed (v) = 20 km/h Distance (d) = 500 m Required: Time (t)

Q: described in Prob. 6.5? 6.7. A car travels at an average speed of 60 mi/h for 3 h and 20 in. What…

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Q: if a car moves 12 km north, 19 km east, and 12 km south, what is its displacement?

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Q: A car travels at the constant speed of 31 mph for 20 mi, at a speed of 40 mph for the next 20 mi,…

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Q: An airplane has a lift off speed of 120km/h. If the plane needs a 240m of runway to take off, what…

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Q: An airplane reaches a velocity of 80 m/s when it takes off. If the runway is 1 km in length, what…

A: Acceleration can be found by using equation of motion .

Q: An object moved in one dimension with velocity 5 m/s for 60 s, then with 10 m/s for 90 s, and…

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Q: What is the average speed in m/s for a car that travels 22 Km in exactly in 15 mins?

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Q: A cyclist travels at 10 km/hr for 2 hours and then at 13 km/hr for 1 hour. Find his average speed.

A: formula used:

Q: A ball was dropped from a rooftop measuring 5.7 m above the ground. How long will it take for it to…

A: Given, Height of the rooftop above the ground, H = 5.7 m

Q: What must your car’s average speed be in order to travel 235 km in 2.75 h?

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Q: The average speed of a car is 35 km h-. How far can it travel.in 45 minutes?

A: Given average speed V =35kmh And time t= 45 minutes We have to find the distance travelled by the…

Q: You are driving home from school steadily at 93 km/h for 160 km . It then begins to rain and you…

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Q: A runner's average stride length is 41 inches. She takes 28 strides in 10.0 seconds. How many…

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Q: A motorboat maintained a constant speed of 15 mph relative to the water and going 44 miles upstream…

A: Solution: Given that motorboat speed =15 mph distance in upstream = 44 miles total time = 7.5 hr

Q: If a person drives his car in the speed 50 miles per hour, how far can he cover in 2.5 hours ?

A:

Q: Justin visits the Grand Canyon and drops a rock off the edge of a cliff. The rock falls 12 m the…

A: In the given qustion, Distance moved by rock in 1st second is 12m Distance moved by rock in 2nd…

Q: A cheetah can run at approximately 4.7 x10' km/h and a gazelle is slower by 5 km/h. If both animals…

A:

Q: The SI unit for acceleration is

A: SI unit of acceleration is Meter per second square (m/s^2)

Q: For a particle, acceleration is given: a = 4x, units are ft/s^2 and feet. If v = 1.5 ft/s when x =…

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Q: A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is…

A: We know that the formula of the velocity in terms of distance and time  is given as  velcoity =…

Q: If a marble is released from a height of 1955 cm, how long would it take to hit the ground?

A: v=2gh=29. m/s21955 cm1 m100 cm=19.6 m/s

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 –