The air resistance, R newtons, to the motion of a train varies as the square root of its speed, yms-1.
If the resistance is 3 600 newtons when the speed is 16 m s-1, calculate R when v = 64.

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units