Check
which statements accurately describe sound waves? check all that apply.
sound waves are transverse waves.
sound waves require a medium to transfer energy.
sound is heard when a vibration strikes the ear.
sound waves can only travel through liquids and gases.
when particles of a medium interact, part of the wave's energy is lost.
a wave's energy can be distinguished from other movements of the medium.

d) the number of neutrons plus the number of protons

answer: question1

1,000 tons

question2

3: 8

question 3

store d

step-by-step explanation:

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.

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg