a person runs the first half of a 5km race in 12 min and the second half of the race in 16 min. what is the average velocity of the person in km/hr?

Q: An object travels 16 m in 4 s and then another 16 m in 2 s. What is the average speed of the object?

A:

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?

A:

Q: A taxi hurries 240 km in 3 hours . What is its average speed in kilometers per hour?

A:

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

A:

Q: How far does car travel if it moves at a rate of 50 mi/hr in 2 minutes

A:

Q: What is the acceleration for a object that speeds up from 5 m/s to 10 m/s in 2s going west

A:

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 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 CAR TRAVELS A DISTANCE OF 450 meters in 60 seconds what speed did the car travel at?

A: Answer:-; Given  Distance travelled by a car(S) = 450 m  Time taken (t) = 60 second  Speed (V) = ?…

Q: A motorcycle traveling along a straight road increases its speed from 30.6 ft/s to 50.6 ft/s in a…

A:

Q: During a takeoff, an airplane goes from 0 to 34 m/s in 9 s.   How fast is it going after 6 s?   How…

A: From kinematics, the expression of velocity in terms of time is:

Q: A car starts from rest and accelerates to 5.8 m/s in a time of 2.3 seconds. what is the constant…

A:

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

A:

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 motorcycle travels west, increasing its speed from 6.5 m/s to 9.2 m/s through a distance of 48 m.…

A: Kinematic expression v2=u2+2asRearrange in terms of aa=v2-u22s  =9.2 ms2-6.5  ms2248 m =0.44 ms2

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

A: initial velocity of dog = V0= 5.5m/s final velocity = V = 0 m/s ( stops) time = t = 1.5 seconds…

Q: A tortoise moves a distance of 102 metres in 0.26 seconds what is the average speed of tortoise in…

A: Given data :- distance d = 102 m time t = 0.26 s

Q: A boy drives 6 miles, accelerating uniformly from rest to 70 mph. How long does it take for him to…

A:

Q: If a drag racing car accelerated at 69 miles per second in 0.25 s, what is the acceleration of the…

A: The final velocity of the car, v=69 mi/s   The initial velocity of the car, u=0 mi/s   Time taken,…

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 is making a 12-mile trip. It travels the first 6.0 miles in 12 minutes and the last 6.0 miles…

A: Expression for speed v1=d1t1=6.0 mil12 min=0.5 milmin v2=d2t2=6.0 mil6 min=1 milmin

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 car travels 300 miles south in 5 hours, what is the average velocity?

A: Displacement of the car is S = 300 miles towards South  Time taken to travel displacement S is  t =…

Q: The space shuttle Discovery takes 2 minutes to climb to an altitude of 45,000 meters. What is the…

A: Answer              375 m/sec

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: What is the velocity of a vehicle that has traveled 45m for 30 minutes

A:

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 car travels a distance of 150 km in 2 hours. What is the car’s average speed?

A: Given: The distance covered is 150 km. The time duration is 2 h.

Q: A boy travels with a speed of 10 ms

A: Given Speed of boy=10 ms-1Time Taken=30 min

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…

A:

Q: What is the speed difference between nanoseconds and milliseconds?

A: 1 nanosecond= 10-9 second and  1 millisecond = 10-3 second Then the difference between two is equal…

Q: A long distance runner has a speed of 4 meters per second during a race. How far does the runner…

A: Given: The speed is V = 4 m/s. The time is t = 20 minutes.

Q: A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it…

A: Given : vo = 25 m/s v = 0 (because car finally stops) a = -10 m/s2 (negative because car is…

Q: a plane goes from 0 m/s to 78 m/s in 12 s.    How fast is it going after 10 s?

A: Let , the initial velocity be denoted by 'u'  ,the final velocity be denoted by 'v' and the…

Q: An airplane flies eastward at a constant speed, travels 300 km in 2 hours. what is the average…

A: Given data: Distance travelled by the airplane, d=300 km Time taken, t=2 h

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: 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: Juan rides his bike 58 km in 3 hours What is his average speed in kilometers per hour?

A:

Q: A plane took 3 hours 33 min to finish a journey.If the distance of the journey was 2840 miles,at…

A: The given data are: t=3hr33min=231 min=13860 sd=2840 miles=4570537 m Here, t denotes the time and d…

Q: If a car is traveling at 25 m/s, how far does it travel in 1.0 hour?

A: Relation between speed, time and distance is -  Must follow below points for unit of the quantity -…

Q: A driver accelerates from 2.69 m/s to 8.58 m/s in 2.5 seconds. What is his acceleration in m/s?

A:

Q: A car goes 260 miles in 27 hrs. What is the average speed in miles per hour?

A: Given ,          distance = 260 miles           time = 27 hrs

Q: You are driving 52 mi/h and take your eyes off the road for "just a second" (exactly one second).…

A: Given Speed = v = 52 mi/h Time taken to travel = t = 1 sec We have to calculate distance (in feet)…

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 –