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1. A roller-coaster is released from rest at the top of the first rise then moves freely with negligible friction?

h = height of release R = radius of loop m = mass of roller coaster g = accel of gravity... = 2.5mgR Total Energy of coaster at release = mgh set Total Energies equal since no loss of energy thru...

1 Answers · Science & Mathematics · 19/04/2010

2. April is about to release the bob of a pendulum. Before she lets go, what sort of potential energy does...?

Well, before the pendulum is released , its kinetic energy is zero, for it is not moving. ...

1 Answers · Science & Mathematics · 01/02/2012

3. How much energy will be released if two neutron stars collided?

...easily, as far as we know, become a black hole. As to how much energy would be released in the collision, that's a tough question, some of the matter would likely annihilate much...

4 Answers · Science & Mathematics · 23/12/2008

4. How much energy is released during the explosion?

...m*[V*cos(theta)]^2 The difference is the minimum amount of energy released from the explosion. E_explosion=KE_post-KE_pre E_explosion...

1 Answers · Science & Mathematics · 10/04/2007

5. Why energy is released ...?

...because the proteon an electron are always balanced. For energy to be released then something called an external must have affected the nuclei...

2 Answers · Science & Mathematics · 03/03/2010

6. What happens to the thermal energy released into molecular clouds as gravity makes them contract? Why doesn?

... you say that 'thermal energy is released into the molecular cloud' what do you mean? As...sometimes!!] So thermal energy is not ' released into the cloud' . It is created...

1 Answers · Science & Mathematics · 07/11/2011

7. Find the minimum initial height at which the car can be released that still allows the car to stay in contact?

PE at release point = KE PE at the top of the loop. mgh = 1/2 m v^2 mg ...

1 Answers · Science & Mathematics · 27/02/2017

8. Find the minimum initial height at which the car can be released that still allows the car to stay in contact

PE at release point = KE + PE at the top of the loop. mgh = 1/2 m v^2 + mg ...

1 Answers · Science & Mathematics · 24/11/2006

9. What is the form of the energy released from beta decay?

The energy is released in the form of electron/antineutrino or positron/antineutrino.Emitted beta ...

1 Answers · Science & Mathematics · 31/10/2011

10. Heat absorbed and released ?

...between the 2 surfaces rubbing together. It is then then released into the atmosphere. The pad and disc will release the energy quite rapidly...

1 Answers · Science & Mathematics · 24/11/2012