Physics.docx

Q2) Section 6.6 discusses Kepler’s laws. Explain Kepler’s laws and redo the derivation for Kepler’s law for a circular orbit.

 For which satellites is r3/T2 a constant (see table in section 6.6)? 

Q3) Watch this video,

3.1 Explain how the tidal force works. 

3.2 How does the Earth’s rotation affect the tides? 

3.3 What is tidal locking? 

3.4 How does the Earth’s orbit around the Sun affect the tides? 

3.5 How much does the solid Earth stretch, due to tides? 

3.6 Why is the moon receding away from the Earth? 

3.7 Why is the Earth’s rotation slowing?

3.8 Compared to the Moon, how strong is the Sun’s tidal force? 

3.9 What is the proxigen tide?

Q4) Watch this video: 

4.1 What is the equation for differential gravity and explain that equation. 

4.2 Considering an elliptical orbit, when is the tidal force stronger, when the satellite is closer or father away from the star or planet? 

4.3 Discuss the examples in the video that explained the transfer of kinetic energy to thermal energy? 

Which demo is most like what happens in tidal heating? 

4.4 What is orbital resonance? 

Q6) Watch this video

6.1 Why does the orbital time for two merging neutron stars decrease? 

Is this an energy transfer process? 

6.2 What is the speed of a gravitational wave?