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 the acceleration of the car?

Q: Give an example of motion in which speed remains uniform, but the velocity changes.

A: Consider a uniform circular motion. In this case, each instant, direction of motion is continuously…

Q: How much time did it take to reach the maximum height?

A: Given : maximum height , H = 4410 m (Calculated )  Find : time taken to reach maximum height

Q: What is the car’s acceleration within the second hour of the journey?

A: Acceleration is given as rate of change of velocity with time.

Q: ) How long, in seconds, does it take the sandbag to reach the ground from the moment it falls off…

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Q: A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s in the same direction as the…

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Q: If a vehicle begins at rest and gets up to 72m/s in 16 seconds, what would the vehicle's…

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Q: A cross-country runner runs 10 km in 40 minutes. What is his average speed

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Q: Which of the following quantities represents the rate of change of the object's velocity?

A: The rate of change of any quantity (x) with respect to time is represented by the following symbol.…

Q: What is the initial velocity of a car that reached 32 m/s [S] in 3.4 s at a rate of 2.6 m/s2 [S]?

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Q: Which statement best describes the motion of the car over the 20 seconds?

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Q: The position of a surveyor along the +x-axis is given in the attached equation below. In the…

A: x(t) = 7×t - 3×t2  t1 = 0 s  t2 = 4 s

Q: A boy travels from A to B and then from B to C in a bicycle. The total displacement is 3m 90° (a) 7m…

A: Consider ABC as a triangle where, AC is the hypotenuse which also is the total displacement. Using…

Q: If swen throws the football 50 meters in 3 seconds what is the average speed of the football

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Q: A jogger runs 10 km in 45 minutes, rests for 10 minutes, and then runs another 8 km in 1 hour. The…

A: Given Data :               Distance traveled by jogger in first 45 minutes (d1) = 10 km = 10×103 m…

Q: If an object is thrown straight up and reaches a height of 20 m, what was the initial speed of the…

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Q: An object was dropped from the rooftop of a building and hit the ground 7 seconds. How high is the…

A: Given:Initial speed u = 0 m/s( free fall)Time t = 7 seca=g= 9.8m/ s2Height h = ?

Q: At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s

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Q: It takes Harry 35 s to walk from x = -12 m to x = -47 m. What is his velocity?

A: x = -12 m to x = -47 m time, t = 35 s

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 hang glider dropped his cell phone from a height of 350 feet. How many seconds did it take for the…

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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: If a ball is dropped from a certain height of 51 meters how long will it take to reach the ground?

A: Given height (h) from which it is dropped=51m It is dropped so initial velocity (u) = 0m/s…

Q: How much time does it take to cover the distance ?

A: Given data;  Truck travels distance of 230 km Average speed of the truck is= 10 km_hrHow much time…

Q: From a speed of 60 kph, a train decelerates at the rate of 2 m/min along the path. How far in meters…

A: Given: The initial speed of train is u=60 kph. The train decelerates at the rate of a=2 m/min2. The…

Q: A runner competes in a 1500 meter straight-line race. The runner completes the first 650 meters in…

A: The equation for the magnitude of velocity is given by velocity=Distance travelledtime taken  (1)…

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

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Q: What is the average speed in kilometers per hour for a runner that runs a distance of 5 km in a time…

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Q: If an ax head is dropped from a height of 9 meters, how long does it take to hit the floor and what…

A: Given, Height, h= 9 m.

Q: A slow jogger runs å milè 16 minutes Calculate the speed (a) in/s in/s (b) m/min m/min (c) km/h

A: Here, we calculate the given as follow;

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: Chief Boolie, the jungle dweller, is out hunting for dinner when a coconut falls from a tree and…

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

Q: An object was dropped from a building with a total height of 60 m. How long will it take the object…

A: Given  Height ( h) =  60 m  Acceleration due to gravity (g) = 9.80 m/s2  Object is dropped from rest…

Q: a person runs the first half of a 5km race in 12 min and the second half of the race in 16 min. what…

A: Total distance of race = 5 km   Time taken to complete first half that is 2.5 km = 12 min   = 1260…

Q: on started running from rest and reached a top speed of 10m/s in 51 seconds what is this person…

A: Given-Initial speed v1=0Final speed v2=10 m/sTime t=51 seconds

Q: A hang glider dropped his cell phone from a height of 450 feet. How many seconds did it take for the…

A: Given data:  A hang glider dropped a cell phone  Height (h) = 450 ft Initial velocity (u) = 0…

Q: A plane trying to land hits the ground at a speed of 100 m/s. If the acceleration of the plane is 5…

A: Given :- initial speed u= 100 m/s           Acceleration of plane a= 5 m/s2          Final speed v=0…

Q: An object starts from rest and accelerates uniformly. If it moves 3 m during the first second, then,…

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

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Q: A raindrop on a drizzly day takes one minute from the time it leaves the cloud until it hits your…

A: ∆t= 1 minute ∆x= 3 miles V¯=∆x∆t=3 miles1 minute=3 miles1 minute*60 minute1 hour V¯=180 mileshour

Q: How much time would it take a fox to accelerate from 2 m/s to 8 m/s at a rate of 2 m/s/s?

A: The equation of motion is given by, v=u+at Here, v is the final velocity, u is the initial velocity,…

Q: What is your average speed if you walk 2 kilometers in 20 minutes?

A: The expression for the average speed,

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 roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope,…

A: As per guidelines, the first question (#1) has been answered. Please post the remaining questions…

Q: How long does it take for a ball thrown upward at a velocity of 15 cm to reach a velocity of 10-20…

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Q: A pilot flies at 133 mph how long does it take to fly 640 miles

A: Given data :- speed of plane v = 133 mph = 133 miles/hour distance d = 640 miles

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 –