an athlete completes one round of a circular track of radius 'R' in 40 sec what will be his displacement at the end of 4 min

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

d. air pressure decreases as altitude increases.