Answer:
1%
Explanation: A cassegrain telescope is a kind of telescope which is made up of the curved mirrors one of the mirrors is a concave mirror is called the primary mirror and the second mirror called the secondary mirror which is a convex mirror, when light Penetrate the cassegrain telescope, it first hits the primary concave mirror and it's then reflected by the secondary convex mirror.
Answer:beats
Explanation:l got it right gang
Answer:
Explanation:
The given equation is 
where 
denotes initial time in the stopwatch and 
denotes the distance covered by car.
As the judge starts her watch at the instant the car passes the 2.0 meter mark 
and the judge reads 3.9 seconds on her stopwatch when the car passes the 8.0 meter mark.
Put 
in equation
