Thermal Physics> A lead bullet of mass 50gram moving witha...

A lead bullet of mass 50gram moving witha velocity of 10m per Sec strikes a target. If 40%is retained by the bullet. Caclulate the raise in it`s temperature where Specific heat equal to 4.2 joule per cal.

Amiya Kumar , 7 Years ago

Grade 12th pass

1 Answers

Arun

Last Activity: 7 Years ago

Dear student

Energy = 1/2 * 0.05 * 10² = 2.5 joule

Now

m* s * delta T = 2.5

0.05 * 4.2 * delta T = 2.5

delta T = 2.5/4.2* 0.05 = 11.904

Hence its temperature increases by 11.9°C.

Regards

Arun (askIITians forum expert)

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Thermal Physics> A lead bullet of mass 50gram moving witha...

A lead bullet of mass 50gram moving witha velocity of 10m per Sec strikes a target. If 40%is retained by the bullet. Caclulate the raise in it`s temperature where Specific heat equal to 4.2 joule per cal.

Amiya Kumar , 7 Years ago

Arun

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