Question

Physics class 9 motion​

Answer 1

42250/24

=1760.417km/hr

Answer 2

Answer:

I hope this helps

Explanation:

to calculate speed :

v = d/t

circumference of circle =2πr

so d = 2πr

and t = 24 hrs

v = 2πr/t                                  (∵ π =3.14159265359 or 22/7)

v = 2× 3.14×42250/ 24

= 11055.5 km/hr