Answer:
43850.49112 kg
Explanation:
M = Mass of moon = ![7.36\times 10^{22}\ kg](https://tex.z-dn.net/?f=7.36%5Ctimes%2010%5E%7B22%7D%5C%20kg)
r = Distance from Moon's center = ![5.23\times 10^6\ m](https://tex.z-dn.net/?f=5.23%5Ctimes%2010%5E6%5C%20m)
G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²
m = Mass of black hole
F = Force = 7870 N
From the universal force of gravity we have
![F=\frac{GMm}{r^2}\\\Rightarrow m=\frac{Fr^2}{GM}\\\Rightarrow m=\frac{7870\times (5.23\times 10^6)^2}{6.67\times 10^{-11}\times 7.36\times 10^{22}}\\\Rightarrow m=43850.49112\ kg](https://tex.z-dn.net/?f=F%3D%5Cfrac%7BGMm%7D%7Br%5E2%7D%5C%5C%5CRightarrow%20m%3D%5Cfrac%7BFr%5E2%7D%7BGM%7D%5C%5C%5CRightarrow%20m%3D%5Cfrac%7B7870%5Ctimes%20%285.23%5Ctimes%2010%5E6%29%5E2%7D%7B6.67%5Ctimes%2010%5E%7B-11%7D%5Ctimes%207.36%5Ctimes%2010%5E%7B22%7D%7D%5C%5C%5CRightarrow%20m%3D43850.49112%5C%20kg)
The mass of the mini black hole is 43850.49112 kg
Answer:
B
Explanation:
the river is caused by weathering and erosion is the breaking down of rocks
Im saying a or b but i pick B
Answer:
t= 1.34x10power 6 sec
Explanation:
l = lo ( 1+b / 1+b /)1/2 where L = wave length
(700mn/589mm)2 = 1.41 = 1+b/1-b
1.41-1.41b = 1+b
0.41= 2.41b
b = 0.17
v=5.1 x 10 7 m/s
v = at
t = a/v = 5.1 x 10power 7 m/s / 38m/s2= 1.34*10 power 6
t= 1.34x10power 6 sec
Answer:
Angular acceleration
rad/s^2
Explanation:
Given
Initial Angular velocity (w1)
rad/s
Final Angular velocity (w2)
rad/s
Time taken to change velocity from w1 to w2
seconds
Angular acceleration is equal to the change in angular velocity to the time taken for making thing change
Hence, Angular acceleration
rad/s^2