Answer:
pole
Explanation:
c. pole is the brainliest answer
Answer:
4009.21658986 Hz
Explanation:
v = Speed of sound in air = 348 m/s
L = Length of tube = 2.17 cm
Fundamental frequency for a tube where one end is closed and the other end open is given by
The fundamental frequency of the canal is 4009.21658986 Hz
Answer:
a) (Positive), b) . The collision is not perfectly elastic.
Explanation:
a) The collision can be described by the Principle of Momentum Conservation and Principle of Energy Conservation:
The final velocity of the rock is:
b) The coefficient of restitution is the best criterion to distinguish elastic collsions from inelastic collisions, such criterion is the ratio of final energy of the system to initial energy of the system:
The collision is not perfectly elastic.
Answer:
MgO
Explanation:
A magnesium ion has a charge of +2 and an oxygen ion has a charge of –2.
Molecule made by ions is neutral . In case of Magnesium oxide molecule it is possible only when on magnesium ion and one oxide ion join together to form molecule . The total charge of molecule will be + 2 - 2 = 0 . In this way molecule formed becomes neutral . Hence formula of magnesium oxide is
MgO .
Answer: A. Strong nuclear
The max effective range of strong nuclear force is about 1.2 femtometers ( which is 1.2*10^(-15) meters). This is well below 1 meter. Strong nuclear forces are the forces that hold together a nucleus. Specifically it holds together the protons that would otherwise repel one another due to similar charge.