Answer:
a balance to measure mass
a scale to measure volume
Answer:
a. Initial speed is zero from a crouching position...
b... Mass of body * 9.8
Explanation:
I can't decide between A and B, but B seems more likely to me. Even though the molecules don't look like they're moving, the area of contact is slightly more compressed.
Answer:
Heating 100 g of water from 10◦C to 50◦C
Explanation:
m₁ ΔT₁ = 2000
m₂ ΔT₂ = 300
m₃ ΔT₃ = 4000
m₄ ΔT₄ = 70
(B is the answer!!
I took the test and I got a 100! Hope this helps