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## Learn & Master Physics & Math with Bruce S

### Farmington, MI (48331)

Hourly fee \$40.00
Save up to 15%
 Background check passed as of 2/2/14 You don't pay for tutoring unless you find a good fit! You don't pay for tutoring unless you find a good fit!

# Blog

What's happening in the world of private tutoring?

## Ice Skating Anyone?

Winter is the time for ice skating and although most ice skating today is done on a rink, it is still a past time that occurs on lakes and ponds. So, have you ever stopped to think about why water freezes on the top of the lake's surface and not at the bottom of the lake? (No ...it is not because 'otherwise the fish in the lake would freeze'.)

## Another Conundrum

The very large garbage truck of mass M and a sporty Miata sports car of mass m have equal momentum. Which vehicle takes the most work to stop and can you derive the equations that supports your answer?

## Ice and Water

Hi! My 7 year old grandson just received a chemistry set (Guess who gave it to him.) A week later he posed the following question: A gallon of ice at 10 F and gallon of water at 50 F are mixed together. What is the final temperature of the mixture? This is not a trivial question and in fact involves at least 3 basic principles of thermodynamics. Personally I have never seen this... read more

# Which equation has roots of -3 and 5 (answer)

Sherry,   This is like 'Algebra Jeopardy'....Given the answer, what is the question!? For a quadratic equation like x^2 + b*x + c =0 you end up with factoring usually like this: (x+w)(x+z)=0 The the roots are x = -w, -z The problem gives the roots  -w and -z so now just subsitute: -w...

This is an application of the the definition of tangent function:   tan ( angle of sun light) = Opposite side / Adjacent side    tan ( angle of sun light) = Object height / Shadow length   Initial case:  Tan ( angle of sun ) = 5.7 / 17.1    2nd case:    Tan (angle...

arctan(3/4) means 'What angle has a tangent of 3/4 or 0.75'   The sec of that means 'What is the secant of that angle.   arctan(0.75) = 36.86 degrees   sec is the reciprocal of the cosine function   sec(36.86) = 1/cos(36.86) = 1/0.8 = 1.25   bds

### BRUCE's Hourly Rate

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### Background Check Status for BRUCE S.

BRUCE S. passed a background check on 2/2/14. The check was ordered by another user through First Advantage. For more information, please review the background check information page.

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