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How fast does a spot of laser sweep across clouds of a turntable at the top of a mountain and turns 10 revolutions per second if it reaches clouds 10km away?
In km/ seconds: 10km=r= radius Circumference = 2(Pi)(r) = 20km(Pi) = 62.83185307 The laser is making 10 sweeps/ second so times the answer by ten. 200(Pi) km/sec or 628.3185307 km/sec *If you have to go by sig. figs. 600 km/sec. If you don;t know what sig. figs. are ignore this.
What are the two properties of motion that can be changed to cause acceleration?
the two properties are: speed and direction. speed: ex: you pass from 10 km/h to 20km/h. you have a delta v (=10km/h) and you have a time line during which the object is changing its velocity. direction: the "velocity" seems to stay the same. ex: you travel with a car in a circle... even though u can see on the control board of the car that the car travels with 50 km/h, the car will accelaerate as the velocity depends on the displacement. and as u change the direction of the displacement ur velocity vector will change and therefore you will have an acceleration (centrifugal and centripetal forces will also play a role in the equation)
Compare the acceleration of a motorcycle that accelerates from 80 kmh to 90 kmh with the acceleration of a bicycle that accelerates from rest to 10 kmh in the same time?
Acceleration is the change in velocity divided by the time it takes to make that change;a= delta v/delta tAs you can see, the change in velocity for both vehicles is the same (10km/h), and the question states that they do it in the same amount of time. So the acceleration is the same;delta v1/delta t1 = delta v2/delta t2 = a.The fact that the motorcycle is already at a much higher speed is irrelevant.
What is the displacement for a driver who travels 10km to get to a point that is 4km from his starting point?
The displacement is 6km because it is the straight-line distance from the starting point to the final point. The displacement represents the shortest path between the two points, regardless of the actual distance traveled.
How many kj in a 30 minute walk?
Calculating the number of kilojoules burnt depends on a number of variables. These variables speed at which one is walking and ones' body weight. In the related links I have included a link to wolfram alpha. By inputting your query for example "30 minute walk 50kg 10km/h" wolframalpha will give you the number of kilojoules based on these variables
What is the maximum speed 30 meters from shore?
10km
What would equal 10km?
10km = 10km 11km - 1km = 10km 1000m = 10km 10km/h * 1h = 10km
A cyclist rides 30 km at an average speed of 9kmhr At what rate must the cyclist cover the next 10 km in order to bring the overall average speed up to 10kmhr?
In all he will cover 40 km. To do so at an average speed of 10 kph means his total journey will take 4 hours. He has taken 3hr 20 min for the first part (30km @ 9kph), so he has 40 min to cover the final 10km. Required speed is therefore 10 x 60/40 ie 15 kph.
What is the average speed for 70 km in 7 hours?
Average speed = 70km/7h = 10km/h
What is the average speed of runner runs 10km in 40 minutes?
15km/hour
Is 10km bigger or 1000cm?
10km = 1,000,000cm, so 10km is the biggest.
If you jog for 1 hour and trevel 10km 10 kmh describes your?
if its km/h then it describes your speed in kilometers per hour
What speed would a car have to move in order to travel 20 kilometers in two hours?
10km/h
If a train goes 10km in 12 minutes what is the speed in kph?
60KMH '''Improved Answer:''' 5*(10 and 12) = 50kph
How many yards is in 10km?
10km is about 10,936 yards.
What is 7/10km to meter?
0.7
What is the average speed of a cross country runner that runs in 10 km in 40 minutes?
if a runner has gone 10km in 40 min. then what you do is divied 40 in to 10 and it come out to be 4 so then you get your answer ...10km/40min.=4km pm( pure a minute)
