Wednesday
May 22, 2013

Posts by allison

Total # Posts: 389

PHYSICS!!
can you tell me exactly what you did instead of just giving me the formula? please and thank you

PHYSICS!!
the answer i got is 288600W

PHYSICS!!
A car's engine can accelerate a car from rest to 30 m/s in 6 s. if the car's mass is 1300 kg, what is the power of the engine? can someone give me the answer because i just want to verify it with my own? thank you!

A 75 kg passenger in a van is wearing a seat belt whent he van moving at 15m/s, collides with a conrete wall. The front end of the van collapses 0.50 m as it comes to rest. a) what was the paseenger's kinetic energy before the crash b) What average force did the seat belt ...

Physics - Work
A tennis racket is in contact with a 55 kg ball for 0.0050 s changes the ball's velocity from 30 m/s [E] to 40 m/s [W] over a distance of 0.0001 m. how much work is done on the tennis ball by the racket?

Physics
consider a cart being pulled up an inclined plane by a student during a Physics lab. The applied force on the cart is 18 N is directed parallel to the incline to cause the cart to be displaced parallel to the incline for a given displacement of 0.7 m. The initial energy plus t...

Physics
consider a cart being pulled up an inclined plane by a student during a Physics lab. The applied force on the cart is 18 N is directed parallel to the incline to cause the cart to be displaced parallel to the incline for a given displacement of 0.7 m. The initial energy plus t...

how to make \$60 two ways using 3 coins
You would have to use a 50 cent coin and then two nickels t equal 60 cents.

Physics - Newton's first law
A pair of fuzzy dice hang from the rear view mirror of a car. For each of the motions indicate which way the dice would move and why: a) constant velocity forward b) speeding up backward c) slowing down forward I understand that when the car's state of motion changes, in t...

Nutrition
How many grams of nitrogen are contained in a 2,500 kcal diet that provides 15% of the energy as protein? What would be the approximate weight gain of a person who consumes an excess of 500 kcal daily for one month? Which of the following is an FDA approved over-the-counter m...

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