What is False? Density is a material property. Since both materials are the same there can be no difference in density.
200 NM
What is True? Although iron is a solid at what we call normal temperatures, iron can also be a liquid, gas, or plasma. This is true of any element. .
300 NM
What is False? According to quantum mechanics, electrons move around the nucleus in orbitals with well-defined yet complex shapes. If we could see orbitals, they would look nothing like a tiny solar system.
400NM
•What is true? The melting and freezing temperatures of water are exactly the same.
500 NM
What is true? The melting and freezing temperatures of water are exactly the same.
100 MM
INCREASES
200 MM
What is increase the time of contact with the ball
300 MM
WEST
400 MM
requires a smaller force
500 MM
What is the trampoline applies a bigger impulse
A mass with a momentum of 40kgm/s receives an impulse of 30 Nsec in the direction opposite its motion. Its final momentum is: