Kali’s piano practice begins at 4:10pm. She practices for 1 hour 15 minutes. Then she spends 40 minutes helping her mom with lau
1 answer:
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Take the number (63) and then divide it with 100, this gives you 1%. Then you want to multiply with with 15 in order to get 15%. The answer becomes:
Answer:
The kinetic energy is 20,000\ J
Step-by-step explanation:
The kinetic energy of a body is defined as:
Where <em>m</em> is the mass of the roller coaster car
<em>s</em> is the speed and <em>k</em> is the kinetic energy
We know that
Then the kinetic energy of the roller coaster car is:
This is one example of a trinomial with a leading coefficient of 3 and a constant term of -5
