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What is your average velocity if you drive a distance of 232 km at a speed of 46 km per h then the same distance at a speed of 70 km per h Answer in units of km per h?
Wiki User
∙ 12y ago
This kind of question is tricky, because average velocity is not simply the average OF the velocities. The reason is you spend more time driving the slower part.
The correct approach is to compute (average velocity) = (total distance) / (total time)
Total distance = 232 + 232 km.
Total time = (time going 46 km/h) + (time going 70 km/h)
The above terms are found by computing distance/speed:
at 46 km/h, it takes (232 km) / (46 km/h) = (232/46) hours
etc. - you can finish the details.
Wiki User
∙ 12y ago
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Total distance divided by total time?
total velocity * * * * * It is the average speed, not velocity which is a vector.
A high speed train travels south for 2.00 h for a distance f 454 km What is its average velocity?
a high speed train travels south for 2.00 h for a distance of 454km. what is its average velocity?
What the definitioin of speed?
The definition of speed is the size/magnitude/measure of an object's velocity. Average speed = distance divided by time
Does average velocity and average speed have the same number?
velocity is a vector and speed is scalar. Velocity has magnitude and directions, with magnitude being speed. The magnitude of average velocity and average speed is the same.
Is the total distance traveled divided by the constant speed is the average speed true or false?
In physics, total distance/TIME is average speed, so this is false. Velocity should be switched out with TIME.
What is the formula to find the average speed of a given distance and time?
Distance = time * average speed (velocity) Average speed = Distance/time
Is distance the magnitude for average velocity?
No. Average speed is.
Is Distance the magnitude of average velocity?
No. Average velocity is still a velocity.Distance is a product of (a velocity or speed) times (a length of time).
Is the total distance divided by the total time?
Acceleration equals velocity divided by time i.e a=v/t The S.I unit of Acceleration is m/s2
Is speed the rate of time in distance?
The velocity of the object. Velocity involves direction as well as size (the concept of speed does not involve direction) e.g. I can drive round a roundabout at a constant speed of 30 m.p.h., but in doing so my direction continually changes, so my velocity keeps changing
Total distance divided by total time?
total velocity * * * * * It is the average speed, not velocity which is a vector.
How would you differentiate between speed and velocity?
Speed is the magnitude of distance travelled per unit time, whereas velocity depends on the magnitude of distance travelled as well as the direction of motion. Speed is a scalar quantity, velocity is a vector. Speed cannot be negative, velocity can be negative. Average speed of an object after travelling a certain distance is always non-zero, but for velocity the average velocity can be zero (this follows from the previous idea).
How do you find the time given only the distance and the initial and final velocity?
Average speed = 1/2 (initial speed + final speed) Time = (distance)/(average speed)
How many hours would it take to drive 550 miles?
Velocity = Distance ÷ Time : therefore Time = Distance ÷ Velocity. If the average speed is 50mph then Time = 550 ÷ 50 = 11 hours. If the average speed is 70mph then Time = 550 ÷ 70 = 7.86 hours (7 hours 52 minutes approximately)
A high speed train travels south for 2.00 h for a distance f 454 km What is its average velocity?
a high speed train travels south for 2.00 h for a distance of 454km. what is its average velocity?
Can the average velocity of a particle be zero but not its average speed?
Yes, since velocity is speed and direction its average can be zero. For example say a plane flies from point A to point B at 300 mph and turns around to go from B to A at 300 mph; its average velocity is 0 since it is in the same spot as it started ( the velocity vectors cancel) but its average speed is 300 mph.
How many hours would it take to drive 1065 miles in distance?
Time taken = Distance ÷ Speed (or Velocity) Example : If the average speed for the journey was 56 mph then it would take :- 1065 ÷ 56 = 19.02 hours approx.
