Didnt , i paid to get answers not some lame explantiin, how is this verified

What is the state of matter with a specific volume but no definite shape

How are elastic and inelastic collisions different? give two or more ways. your answer should have at least 2 sentences.

Two objects, =15.3 kg and =5.31 kg are connected with an ideal string and suspended by a pulley (which rotates with no friction) in the shape of a uniform disk with radius =7.5 cm and mass =14.1 kg. the string causes the pulley to rotate without slipping. if the masses are started from rest and allowed to move 2.5 m: