# Tutor profile: Jared B.

## Questions

### Subject: Basic Chemistry

Identify the number of protons in the element carbon.

Using the periodic table, the atomic number is equivalent to the number of protons of the atom in its normal isotopic state. In the case of carbon, it is found to have an atomic number of 6. This means that there are 6 protons in the element carbon.

### Subject: Physics

Jason hit a hockey puck with a force of 1500 (N). If the mass of the hockey puck is 2.0 kg, what is the acceleration of the hockey puck? Assume the ice rink is a frictionless surface.

After reviewing the question, the problem asks us to identify the acceleration of the hockey puck. To find acceleration, we rearrange the Newton's second law of motion (F=ma) to find for acceleration. In this sense, a = F/m, or acceleration is equivalent to the force on the hockey puck divided by the mass of the puck. The gravitational force is cancelled out by the ground force against the puck, so acceleration will only occur in the y-direction. In this direction, a = (1500 N) / (2.0 kg). Acceleration of the hockey puck is equal to 750 m/s/s.

### Subject: Algebra

Mike is a head football coach for South Jones High School and went to Academy Sports to purchase water coolers for his team's practice. Mike only has $100 to spend on as many coolers as he can get. If the price of one cooler is $20, how many coolers can Mike purchase?

As stated by the question, Mike only has $100 to spend on as many coolers as he can get. Academy Sports charges $20 for each cooler. To discover the amount of coolers he can by, you need to formulate a basic algebraic equation: 20x = 100, where x is equal to the number of coolers. Following order of operations, divide 20 by both sides of the equation, which leaves x = 5. Mike can purchase 5 coolers for the football team's practice.