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1 vote
2. A volleyball player strikes a 3 kg volleyball with a velocity of 14 m/s. What is the kinetic energy of the volleyball?

3. A cat jumps off a table with 750 J of kinetic energy at 10 m/s. Find the cat's mass.​

2 Answers

7 votes

Answer:

2)294 3)15

Step-by-step explanation:

2)E=mv^2/2

E=3×14^2/2

E=3×196/2

E=3×98

E=294 J

3)E=mv^2/2

m=2E/v^2

m=2×750/10^2

m=2×750/100

m=750/50

m=15

User Haz
by
4.1k points
5 votes

Answer:

2. 294 j

3. 37500 J

Step-by-step explanation:

User Shakera
by
4.9k points