A 60 g bullet is fired at 200 m/s into a 400 g block of wood mounted on a spring (k=1200 N/1 m) that is attached to a wall. The surface is frictionless. If the bullet imbeds in the block , how far does the spring compress ? (Hint: use both conservation of energy and momentum )​

Why is a noble gas different from other elements

The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next

5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?