Can you calculate the moon's speed?
Find the radius of the moon and the earth using c=2(pi)r. Moon 6790 = 2(3.14)r ; 1081.2 Earth 24965 = 2(3.14)r ; 3975.3 middle of earth to middle of moon r=238,855+3975.3+1081.2 ; 243911.5 circumference of the circle made by the moon around the earth c=2(3.14)243911.5; 1531764.2 Miles per year 1531764.2*13.1; 20066111.28 Miles per hour 20066111.28 /(365*24); 2290.65Mph Answer 2290.65Mph Better check it since I am not.
How can i calculate the speed of the earth?
you want to divide the circumference of the orbit by time, to get speed. Circumference = Pi times Diameter you are given the radius, so you can use Circumference = Pi times 2 times Radius = 3.1416 x 2 x 93 million = 584,337,600 miles. Now, divide by time speed = 584,337,600 miles / 3.15*10^7 seconds = 18.53 miles per second in case you're wondering, this is the same as 66708 miles per hour.
How is the speed of the Earth calculated?
Namaste _/\_To calculate speed of earth's rotation you need to know following three things:1. Circumference of earth at equator = 2πR, where R is earth radius (6371 km)2. day period, which is 24 hours3. Latitude of the location of which you want to find speed. Latitude is a geographical coordinate with respect to equatorial plane. Position of a point on earth surface above equator is referred as some degrees of North and below equator as some degrees of South. It is zero degree at equator. For Bangalore (my current city), latitude is 12.9716° N.Earth's rotation speed = [math]\dfrac {2πR × cos(latitude in degree)} {24}[/math]When you multiply the circumference of earth at equator with cos(latitude), it gives the circumference value of earth at the position of latitude parallel to equator.Earth speed at equator = 1667.92 km/hrEarth speed at Bangalore = 1625.35 km/hrEarth speed at pole = zero, as latitude is 90 degree on poleImage source:https://www.vcalc.com/wiki/Micha...
How can the top speed of a car be calculated from redline RPM, tire circumference and the final gear ratio?
You just use a simple formula for the final gear ratio You probably know thatN1/N2 =w1/w2 =T1/T2By this taking your redline rpm at n1/N2 (top gear) to the number of teeth in your driven teeth (take n1 as driver rpm and N2 as your final driven rpm), based on 1.Number of teeth in the final driven wheel and 2.diameter of the driven wheel (top gear) 3.final rpm (your engine produces at the top gear the vehicle is moving) But seeing wheels 1.wheel diameter 2.aspect ratio and tires grip on the road But according to me top speed remains fairly same for two different cars based on Tire diameter but torque may vary Compare swift and Figo aspire, Figo tires are 175/65 and swift is 185/65Though Figo is 2 or 3 bhp more than swift see the rpm at which they are clocked (swift wins) this is because of tires I thinkREFER THEIR CATALOGUE
A jogger is running a circular track. given speed and circumfrance find centripetal acceleration of jogger?
Hello susy, Just use these simple equations. http://en.wikipedia.org/wiki/Uniform_acc... Look under circular motion a = v^2/r a = w^2 * r Since they give the runner's velocity (v), lets use the first one. you need to convert v to m/s V = (10 km/hr) * (1 hour/60 minutes) * ( 1 minute/60 seconds) * (1000 m/1 km) v = 2.78 m/s Circumference (c) = 2 * pi * r r = c / (2 * pi) r = 420 m / (2 * 3.14) r = 66.9 m Now a = v^2/r a = (2.78 m/s)^2 / 66.9 m a = 0.12 m/s^2 (towards the center of the track) Good Luck Watch out for the first answer. His conversion from km/hr to m/s is wrong, and he uses circumference for (r).
The speed of light in a vacuum is . Calculate its speed in miles per hour.?
2.998 E8 m/sec * 60.00 sec/min * 60.00 min/hr * 1mile/1609 m = 6.712 E8 miles/hour 4 sign digits is appropriate since you were given 2.998 and it is 60.0000000000000000000000 sec/min and used meters./mile to 4 sign digits
How can I calculate revolutions per minute of a tire at a certain speed?
It’s a little complicated. First you need to know the circumference of your wheel/tire combination. The formula for circumference is C = 2*π*R. My wife’s Chevy Suburban has wheels with a 16 inch radius. So that formula would be 2*3.14*16, which equals 100.5 inches, or 8.375 feet. Then you’d have to calculate how far the car moves at what speed. Distance at speed would never change. Here’s easy math: 60 mph is a mile a minute (5,280 feet), 30 is a half mile (2,640 feet), 15 is a quarter mile (1,320) etc, etc, etc. Each mile per hour is 88 feet. So, to calculate RPM, you would divide the distance traveled in a minute by the circumference of the wheel/tire. A Chevy Suburban traveling at 30 mph would have wheels spinning at approximately 315 rpm (2,640÷8.375=315.224.