Answer:
0.125m/s^2
Explanation:
20-10=10
10 divided by 80=0.125m/s^2
Answer:
C
Explanation:
The pattern is adding .5 to the cm every .1 in weight you just continue the table
here we know that the speed of the signal is same as the speed of light
so here we will have

the altitude of the airplane is given as

now we know that time taken by the signal to reach the control tower is given as

now it is given as


so above is the time taken by the signal to reach the control tower
Answer:
D; The microscope and magnifying glass block out the light, which allows the naked eye to focus on the object.
Explanation:
This is to prevent chromatic abberation
It is more likely to be a metal. This is because metals are good heat conductors whereas non metals tend to be poor heat conductors.