7.7 m/s
11000N/m2
C
Blessy races four snails, A, B, C, and D. She draws a distance/time graph for each of the four snails. The distance of the race is 50 cm. Which snail wins the race?
C
600 N
The diagram shows a sealed bottle containing air particles. The air exerts a pressure on the sides of the bottle.
C
B and C
A fish is in water. The water exerts pressure on the fish. Which of this causes pressure on the fish?
B) The weight of water all around the fish
1000 N/m2 heavier for Pierre
A
From 0.5 to 3 minutes
D
B