Answer:
6844.5 m/s.
Explanation:
To get the speed of the satellite, the centripetal force on it must be enough to change its direction. This therefore means that the centripetal force must be equal to the gravitational force.
Formula for centripetal force is;
F_c = mv²/r
Formula for gravitational force is:
F_g = GmM/r²
Thus;
mv²/r = GmM/r²
m is the mass of the satellite and M is mass of the earth.
Making v the subject, we have;
v = √(GM/r)
We are given;
G = 6.67 × 10^(-11) m/kg²
M = 5.97 × 10^(24) kg
r = 8500 km = 8500000
Thus;
v = √((6.67 × 10^(-11) × (5.97 × 10^(24)) /8500000) = 6844.5 m/s.
Answer:
a
because the mechanical wave is when it goes over and over again
Psychologists study animals because they want to understand how different species think and behave, animal psychology is often simpler and easier to understand than human physiology, and it is more permissible to conduct certain types of research with animals than with humans
Answer: 438.3 mph
Explanation:
Let z be the distance from the plane to the station. You should draw a right triangle
for the diagram with z on the hypotenuse, 1 on the vertical side, and x on the horizontal
side. The 1 never changes, but x changes with time.
Find the attached file for the solution.
Answer:
la velocidad se mide con el tiempo del tiempo que tarda el tiempo se mide por la hora del día y el reloj
Explanation:
