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Why do we have to run a certain distance in the direction of motion of atrain while stepping out?
You do not. You wait until the train stops and then step out without needing to run.
When you run around a track at 5 km h your velocity is constant?
No. Your speed is constant but your velocity is not. Velocity is a vector and as you run around a track, the direction of your motion changes and so the velocity changes - not in magnitude but in direction.
Is velocity an objects speed and direction of motion?
Velocity is an objects speed in a given direction e.g. a runner having run round a circular track of 400m in circumference has 0 velocity.
What are pullies?
A pulley is a simple machine consisting of a wheel with a grooved rim in which a pulled rope can run to change the direction of the pull.
Why ceiling fan rotates in anticlockwise direction but table fan rotates in clockwise direction?
Ceiling fans usually can rotate in either direction. There is usually a switch on the unit. This allows downflow during the warm season and upflow during the winter. The direction of rotation of a table fan is determined by the shape of the blades. A motor can be made to run in either direction but to force air to the front of the table fan, it must rotate in the direction that the blades will force the air properly.
How do parallels run across the globe?
total number of merdians
What are merdians?
lines
Where do all merdians begin and end?
North Pole
Where do all the merdians meet?
They meet at the North and South Poles.
What direction do line of latitude run from?
one direction
What direction do lines of latitudes run?
one direction
Which direction must the string run for the sundial to work properly?
Which direction must the string run for the sundial to work properly? Which direction must the string run for the sundial to work properly?
Can roof joists run in a different direction to floor joists?
Yes. Rafters and flloor joists do not have to run the same direction.
What direction do line of longitude run?
north and south direction (up and down)
What direction does interstate 22 run?
22 runs in an east-west direction. Odd numbered ones run N-S, even run E-W (generally)
Which direction does the African rivers run?
Downhill.
Parallels run in which direction?
East and West
