. Give reasons:
a. Tides rising above the surface level of the sea
b. Satellites can circle in a circular orbit
e. A concert hall's ceiling is mostly curved.
Answers
Answer:
1 ) Tides rising above the surface level of the sea because of the temperature rising in the see whenever there is a volcano eruption under the sea water it causes the tight which price of the surface of the sea level.
2 ) satellite can circle in a circular orbit because if they will run only e on move only in One Direction they will get about the information of only one area so they have to move circle around the earth that they get all of the world information
3 ) a Concert Hall ceiling is mostly curve because to give the night light to the participants to get a good image
Answer:
(a) The gravitational forces exerted by the moon and sun on the earth and also the rotation of earth is responsible for the tides. Due to the gravitational attraction the water rises above the sea level and tide is formed. When satellite moves around a planet, the gravitational force of attraction acts on it.
(b) Being that the satellite is already in motion in a tangential direction, the inward force merely turn from its straight-line tangential direction. Instead of turning and falling into the earth, it turns and curves around the earth (thanks to the fact that the earth is round.) Weightlessness in Orbit.
(c) Concert halls are very big, so the sound might not reach every corner of the hall. So, ceilings of concert halls are made curved so that after reflecting, it reaches all parts of the hall. A curved ceiling acts as a large concave soundboard and reflects sound down onto the audience sitting in the hall.
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