Question
Maths
Oct. 22, 2020, 5:56 a.m.
Answer
An artificial is moving in a circular orbit of radius 42250km calculate its speed if it takes 24 hours to revole around the earth
Maths
Oct. 21, 2020, 8:42 p.m.
Answer
An aeroplane flying horizontally at a height of 2500m above the ground is observed at an elevation of 60°.After 15 seconds, the elevation is observed to be 30°.Find the speed of the aeroplane in km per hour.
Maths
Oct. 21, 2020, 8:34 p.m.
Answer
An aeroplane flying horizontally at a height of 2500m above the ground is observed at an elevation of 60°.After 14 seconds,the elevation is observed to be 30°.Find the speed of the aeroplane in km per hour.
