Author Question: A 5.00-g lead bullet moving at 440 m/s penetrates a wood block and comes to rest inside the block. ... (Read 825 times)

maychende · **on:** Jul 29, 2018

A 5.00-g lead bullet moving at 440 m/s penetrates a wood block and comes to rest inside the block. If half of its kinetic energy goes into heating the bullet, what is the bullet's change in temperature? The specific heat of lead is 128 J/(kgK).

A) 94.0 K
B) 110 K
C) 126 K
D) 278 K
E) 378 K

Question 2

A lump of energy associated with light is called a

A) quantum.
B) photon.
C) both of these
D) neither of these