A person jogs 4.0 km in 32 minutes, then 2.0 km in 22 minutes, and finally 1.0 km in 16 minutes. What is the jogger’s average speed in km per minute?

Q: If a seagull drops a shell from rest at a height of 14 m, how fast is the shell moving when it hits…

A: Seagull drops a shell from rest ,  means initial velocity ( u ) = 0 Drops from height ( h ) = 14 m…

Q: An object travels 20 m in 2 s and then another 16 m in 2 s. What is the average speed of the object?

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Q: What is the speed of a car that travels 200 meters in 25 seconds

A: (given) Distance (s) = 200 m       Time (t) = 25 s Speed of a car is                     = (Distance…

Q: There were 2 boys standing on top of a bridge. The 1st boy drops a 1.5kg rock while the 2nd boy…

A: h=ut+0.5gt2

Q: A driver of a car hits its brakes and begins to decelerate. If the velocity changes from 60 m/s to…

A: Initial velocity u=60 msFinal velocity v=20 mstime t=6 secs

Q: A football field is about 100m long. If it takes a person 20 seconds to run its length, how fast…

A: Given data: Length of football field = 100 m Time taken (t) = 20 s Required: Speed (v)

Q: How fast would you have to jump off the ground in order to jump at least 10 meters in the air?

A: The change in potential energy of person during the jump must be equal to his change in kinetic…

Q: You drive 4 miles at 30 mi/hr and then another 4 miles at 50 mi/hr. What is your average speed for…

A: Given data:  Distance (d1) = 4 miles Speed (v1) = 30 mi/hr Distance (d2) = 4 miles Speed (v2) = 50…

Q: a dog is running at 5.5 m/s then comes to a complete stop in 1.5 seconds. What is the dog's…

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Q: If a car increases in velocity from +5 m/s to +15 m/s in three seconds, what is its acceleration?

A: Given value--- initial velocity = 5 m/sec. final velocity = 15 m/sec. time t = 3 second. We have…

Q: What distance will a truck travel in 3 hours at an average speed of 59 miles per hour?

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Q: A downhill skier accelerates from 20 m/s to 40 m/s in 4.5 seconds. What is their acceleration?

A: Using kinematic equation, the expression for find acceleration is v=u+ata=v-ut

Q: A bus travels 10 m in 2.5 seconds. What was the bus’s speed?

A: Speed of the bus can be calculated as,

Q: A taxi moving at 36 kph speeds up uniformly to a velocity of 30.0 m/s in a time of 5.0 seconds. What…

A: Given : vo = 36 kph = 36(1000/3600) = 10 m/s v = 30 m/s t = 5 s

Q: What is the acceleration of a person who goes from 4.3 m/s to rest in 2 seconds?

A: given: initial velocity u = 4.3 m/s final velocity v =0 m/s time = 2 sec

Q: An object, starting from rest, is given an acceleration of 16 feet per second? for 3 seconds. What…

A: Given, Accleration a  =16 ft/s  Time t = 3 sec   We know the expression for first equation of…

Q: A car, initially traveling at 8 miles per hour, comes to rest in 7.5 s. What was its acceleration in…

A: Given: The initial speed of the car is 8 mi/h. The final speed of the car is 0 mi/h. The time…

Q: How much force is needed to lift a 2 kg book onto a shelf 1.5 m high?

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Q: A tortoise moves a distance of 92 m in 2.4 seconds what is the average speed of tortoise in km/h?

A: Introduction :  In this question we are provided with value of  total time taken and total…

Q: A car that travels at 9.1 km/hr for 2.0 hrs, at 7 for 1.0 hr and at 9 for half an hour. What is its…

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Q: If you drive at a constant velocity of 30 m/s for 1.5 hrs, what will be your displacement in meters?

A: Write the given values with the suitable variables. v=30 m/st=1.5 hrs=90×60 s=5400 s Here, v and t…

Q: A 36.5 kg child on a sled slides down a hill, reaching a speed of 9.8 m/s. How high was the hill (in…

A: The speed at the bottom of the hill,

Q: How long will it take a dog to travel 800 m if its velocity is 6 m/s?

A: Given data:  Distance (d) = 800 m Velocity (v) = 6 m/s Required: Time (t)

Q: A shoe was dropped from a building and passes the third floor in 0.411 seconds. If each floor of the…

A: Solution: given that t = 0.411 m h = 4.5 m each

Q: If a car travels 100 miles in 1 hour and 50 minutes, what is its average speed in mph?

A: Distance travel by car d = 100 miles  Time taken to travel t = 1 hour and 50 minutes    We know the…

Q: What is the average speed in km/h of a car that travels 772 km in 5.8 h?

A: The average speed can be determined by formula    v=distance /time    v=772 km/5.8 h    v= 133.1…

Q: If an object goes from 50 m/s to 75 m/s in 5 seconds, what is the acceleration

A: Given: The initial velocity of the object is 50 m/s. The final velocity of the object is 75 m/s. The…

Q: Starting from rest, a plane is able to go from 0 m/s to 70 m/s over the course of 7 seconds. During…

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Q: If a deer runs 4 miles in 7 minutes. It's average speed is?

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Q: What is the velocity of a car moving north that covers 65 miles in 2 hours?

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Q: A weightlifter lifts 50kg weight over his head and drops it to the ground . If it takes .56 seconds…

A:

Q: A shoe was dropped from a building and passes the third floor in 0.411 seconds. If each floor of the…

A:

Q: How much force does it take to bring a 1,325 N car from rest to a velocity of 33 m/s in 11 seconds?

A:

Q: On a highway trip, joe drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What is…

A: Given, on a highway trip, joe drives the first d1=25 miles at v1= 55 mph, and the next d2=15 miles…

Q: How long must a tow truck apply a force of 600 N to increase the speed of a 1,500 kg car at rest to…

A:

Q: A car accelerates from 25 km/hr to 55 km/hr in 30 seconds, what is the acceleration?

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

Q: What is the speed of a bird if it flies 30 miles within 5 hours.

A: Speed Speed is defined as the rate of change of position of an object in any direction. It is…

Q: If a car travaling 27 m/s comes to a stop in 12 meters, what is the acceleration of the car?

A: The given data: Initial velocity of the car, u=27 ms Final velocity of the car, v=0 ms Initial…

Q: As part of an exercise program, a woman walks south at a speed of 2.5 m/s for 59 minutes. She then…

A: first part of the exercise program : Speed = 2.5 m/s time = 59 minutes = 59×60 seconds= 3540 seconds…

Q: A toy car is pushed twice. The first time, it moves 8.1 meters in 4 seconds. The second time, it…

A: Data given, First push distance (d1) = 8.1 m time (t1) = 4 sec 2nd push  distance (d2) = 7.3 m time…

Q: When the driver applies the brakes of a light truck traveling 10 km/h, it skids 3 m before stopping.…

A: GIVEN THAT FOR FIRST CASE , u =10Km/h⇒U=10×518=5018=2.78m/s , AND S=3 m FOR THE SECOND CASE u=…

Q: The velocity of a 40 kg object increases from 20 m/s to 30 m/s in 2 seconds. What is the…

A: The mass of the object, m= 40 kg   The initial velocity of the object, vi=20 m/s   The final…

Q: A cheetah is traveling a speed of 32.5 m/s. What is the speed in km/hr?

A: 1 km = 1000 m 1 hour = 3600 seconds. Speed of cheetah = 32.5 m/s Conversion of m/s to km/hr 32.5 ms…

Q: How much force does it take to bring a 1,075 N car from rest a velocity of 26 m/s in 14 seconds?

A:

Q: A runaway train car that has a mass of 15,000 kg travels at a speed of 5.4 m/s down a track.…

A: Acceleration is,

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 –