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Two lead bullets of equal mass top after...

Two lead bullets of equal mass top after head-on Collison and reach their melting point due to the heat generated. The temperature of the bullets before collision was `35^(@)C`. Find the relative velocity of the bullets before collision. Specific heat of lead `= 0.03 cal cdot g^(-1) cdot^(@)C^(-1)`, melting point of lead = `335^(@)C, J = 4.18 xx 10^(7) erg cdot cal^(-1)`.

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The correct Answer is:
`294.4 m cdot s^(-1)`
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CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Hots Numerical Problems (Marks 3/4/5)
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  2. A block of ice having mass 6 kg is pulled 50 m horizontally over a sur...

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  3. What will be the change in internal energy of 5g of oxygen, if its tem...

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  4. Two cylinders A and B of equal capacity are connected to each other vi...

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  5. Two cylinders A and B of equal capacity are connected to each other vi...

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  6. Two cylinders A and B of equal capacity are connected to each other vi...

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  7. Two cylinders A and B of equal capacity are connected to each other vi...

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  8. The temperature of 10 g nitrogen gas is increased from 20^(@)C to 120^...

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  9. The temperature of 10 g nitrogen gas is increased from 20^(@)C to 120^...

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  10. Some amount of gas is compressed at STP in an (i) adiabatic process. W...

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  11. Some amount of gas is compressed at STP in an (ii) isothermal process ...

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  12. The initial volume of a gas is 2m^(3). When the gas is compressed adia...

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  13. Some amount of gas is compressed adiabatically at 27^(@)C and standard...

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  14. Two lead bullets of equal mass top after head-on Collison and reach th...

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  15. The specific heat of air at constant volume is 0.1684 cal cdot g^(-1) ...

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  16. 1 mol oxygen is kept in an insulated closed vessel. The vessel is sudd...

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  17. If C(p) = 6.85 cal cdot mol^(-1) cdot^(@)C^(-1), C(v) = 4.87 cal cdo...

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  18. Specific heat of argon at constant pressure and at constant volume are...

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  19. Air is being pumped into the tyre of a car at a specific pressure. Whe...

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  20. A diatomic ideal gas is compressed adiabatically to 1/32 of its initia...

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