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A car covers first 10 km with 40km/hr next 10km with 60 km and next 10 km in 20 km/hr. What is the average speed of the car?
#1; 10 km @ 40 kmph = 0.25 hrs 15 mins)
#2; 10 km @ 60 kmph = 0.166666..... hrs 10 min
#3; 10 km @ 20 kmph = 0.5 hrs 30 mins.
Distance = 30 km
Time = 0.25 + 0.16666... + 0.5 = 0.9166666... hrs
Hence average speed is 30 km / 0.916666... = 32.7272... kmph
7272
What else can I help you with?
What is the difference between instantaneous speed and average speed?
Instantaneous speed is the speed at a particular moment in time.The average speed of an object tells you the (average) rate at which it covers distance
What is the average speed of A car that covers 100km in 1.5 hr?
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What is the average speed 3hour's 45min's to travel 180 miles?
speed = distance / time. In travelling over a distance, the speed may vary. The average speed is the constant speed that covers the given distance in the given time. First convert the time to hours and fractions of hours: 45min = 45/60 hrs = 0.75hrs 3hr 45min = 3.75hrs Now divide: average speed = 180 / 3.75 = 48 mph.
If it takes Ashley 3 seconds to run from the batters box to first baser at an average speed velocity of 6.5 meters per secondwhat is the distance she covers in that time?
2.1
What is the average speed of a train which covers a distance of 100m in 5seconds?
Average speed = distance/time = 20 metres per second.
A car covers half the distance at a speed of 60 kmh and other half 40kmh find average speed of car?
(60 + 40) ÷ 2 = 50 kmh
What do you know about the motion of an object that has an average speed of 1 m?
An object with an average speed of 1 m/s covers 1 meter every second on average. This means it moves steadily at a constant speed in a straight line, covering equal distances in equal intervals of time.
What is the difference between instantaneous speed and speed?
Instantaneous speed is the speed of an object at a specific moment in time, while speed refers to the average rate at which an object covers distance over a period of time. Instantaneous speed gives the speed at a precise instant, whereas speed provides an overall measure of how fast an object is moving.
How do you find the average speed of a cyclist?
To find the average speed of a cyclist, divide the total distance traveled by the total time taken to travel that distance. For example, if a cyclist covers 30 miles in 2 hours, the average speed would be 15 miles per hour (30 miles divided by 2 hours).
What is the average speed of Queen Mary 2?
The distance from Southampton to New York is 3400 miles (not nautical) and the ships covers this distance in about 170 hrs, so the average speed would be just over 20 miles per hour.
What is the average speed of the object during the first 4 seconds?
To calculate average speed, divide the total distance traveled by the time taken. If you have the distance and time values for the first 4 seconds, you can use this formula to find the average speed over that time interval.
What is her average speed if naseem covers 100m distance in 11.81s?
Just divide the distance by the time.
