Plzz ? ? why is trapped air a good insulator? a. it stops heat transfer. b. it is actually a poor insulator. c. it reduces heat transfer. d. it increases heat transfer.

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u