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related to: need for speed heat

1. Minimum speed of lead bullet needed for it to melt?

½mv² = mK(T-30) where K is the specific heat of lead and T is the melting temperature in °C Solve this eq for v

1 Answers · Science & Mathematics · 15/04/2008

2. I need help regarding a physics project, of producing energy by speed breakers for street lights..?

...huge portion of the earth with pavement (soaks up light re-radiates it as heat ) so we might as well use some of that energy for human purposes. 1 mile of freeway that is 2 lanes in each...

1 Answers · Science & Mathematics · 18/05/2011

3. specific heat gas rms speed physics..... need answer for test due in 3 hours.... help!!!?

The average KE per molecule (also per atom in this case) is constant. Look up the atomic masses of neon and argon, m(Ne) and m(Ar). v = sqrt(2KE/m) ==> v(Ar) = v(Ne)*sqrt(m(Ne)/m(Ar)).

2 Answers · Science & Mathematics · 08/05/2009

4. Is the speed of heat same as the speed of light?

...medium need exist between the two bodies for heat transfer to take place (as is needed by conduction and convection). Rather, the... photons which travel at the speed of light. The heat transferred...

2 Answers · Science & Mathematics · 29/12/2012

5. At what speed does heat travel through certain metal?

... to is called the coefficient of thermal expansion (the amount of energy needed to heat up 1 cm^3 of material one degree). The units for the coefficient is (10^(-6))/degrees. You'll often see this...

4 Answers · Science & Mathematics · 27/03/2014

6. Heat problem, do i solve for the speed in the K.E. equation?

The energy from the banana must be converted to Joules So 100kcal= 100000cal*4.184J/cal = K = 1/2*m*v^2 so v = sqrt(2*K/m) This is where your eqn is in error So v = sqrt(2*418400/82) = 101m/s

4 Answers · Science & Mathematics · 18/12/2009

7. What's the equation for heat loss from a windshield's outer surface?

Multimode heat transfer is an incredibly difficult problem. You need to learn to think of thermal resistances in parallel and series. For instance, for heat loss of the windshield surface, convection is in parallel with radiation, and this parallel...

2 Answers · Science & Mathematics · 09/05/2010

8. How much heat to maintain water at 90celcius for 30 minutes?

... asking how quickly heat is dissipated. But the speed that heat is 'lost' to the environment is dependent on many factors...

3 Answers · Science & Mathematics · 19/07/2009

9. At what speed would flying be comfortable?

... - A A=7 Z= 69 Thats my calculation for max speed , Finding a comfortable speed would depend on the mass and weight of the body and distance...

1 Answers · Science & Mathematics · 21/01/2012

10. How fast do you need to go to catch on fire?

In general, aerodynamic heating becomes an issue at hypersonic speeds (i.e., greater then Mach 5... are common in reentry of spacecraft, for example. As with anything in aerodynamics...

2 Answers · Science & Mathematics · 27/06/2012