A drone flies upward with a velocity of 5m/s and has a kinetic energy of 90J What is the mass of the drone? O 5.4 kg
1.9 kg
7.2 kg
3.6 kg

If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

The material that keeps its new shape after it is stretched is called?