Yokka Stars

Task id16790

Task id16790

Seller: nerdmavr

Price: 0.15 USD

Available. The final price depends on the selected options and is checked before payment.

Product description

A lead bullet pierces the board, and its speed drops from 400 m/s to 200 m/s. How much of the bullet will melt? Neglect heating the board. The initial temperature is about 30 °C.

Additional information

Answer. Format gif