Material density (kg/l wood 0.40 apple 0.64 plastic 0.70 ice 0.92 water 1.00 aluminum 2.70 diamond 3.53 lead 11.3 gold 19.3 what is the density of block a? a0kg/l what is the density of block b? a1kg/l what is the density of block c? a2kg/l what is the density of block d? a3kg/l what is the density of block e? a4kg/l which block is the densest? a5

layers of the earth affect the waves and these effects are seen on instruiments such as seimometers

compass can be used day and night, cloudy or sunny

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

i think the answer is a, hope this : )