Answer:
I am not really sure but i think its option 2
Explanation:
D is the answer
To get the density you divide mass by volume
So the equation is 400/60=d
Answer:
Q=1670J
Explanation:
Mass of ice: m=5g=0.005kg
Latent heat: lambda=3.34×10⁵J/kg
Heat received by ice: Q=m×lambda
Q=0.005×3.34×10⁵=5×334=1670J
I believe it is positive.
Answer:
A model rocket is launched with an initial upward velocity of 215 ft/s.
Explanation:
