Sunday
December 8, 2013

Posts by Art

Total # Posts: 45

Physics
A wheel has its speed increased from 120 to 240 rev/min in 20 sec. a.) What is the angular acceleration? b.) How many revolutions of the wheel are required?

Physics
A 200lb man stand in a elevator. What forcer does the floor exert on him when the elevator is a.) Stationary b.)Accelerating up 16ft/s2 c.) Moving downward at constant speed. d.) Moving upward at 12 ft/s2.

Physics
Calculate the accelerating force needed to change the speed of a 10kg object from 6m/s to 15m/s in a distance of 15m.

math
What is the prime factorization using exponents of 63

algebra
Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks

algebra
Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks

algebra
find n so that squares and triangle has the same perimeter square is 8n+6 triangle is 13n+2 on two sides and 30n-28 on the other

chemistry
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.

chemistry
State three examples each of acids, bases, and salts commonly used in therapeutic processes

algebra
A TRAFFIC LIGHT IS RED FOR 38 SECONDS YELLOW FOR 10 SECONDS AND GREEN FOR ONE MINUTE AND TWELVE SEONDS. IN A CONSTANTLY REPEATING CYCLE, WHAT IS THE PROBABILITY THAT AT THE MOMENT A PASSING PEDESTRIAN GLANCES AT IT, THE LIGHT WILL BE GREEN

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