A lead bullet weighing 00200 lbf and traveling horizontally

Reference no: EM13584614

A lead bullet weighing 0.0200 lbf and traveling horizontally at 3000. ft/s is suddenly stopped by a perfectly rigid object that does not deform during the impact. Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use ?u = 0.0130(?T) in Btu/lbm, where T is in °F or R.

Helpful Hint:

Use the modified ERB expression with U dot = 12.0 kW (Joules/sec). Process is adiabatic, Q dot =0. Solve for delta t that associates with U dot.

Reference no: EM13584614

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