Saturday
December 7, 2013

# Posts by justin

Total # Posts: 724

Physics
A golf ball rolls off a horizontal cliff with an initial speed of 12.2 m/s. The ball falls a vertical distance of 17.3 m into a lake below. (a) How much time does the ball spend in the air? (b) What is the speed v of the ball just before it strikes the water?

Physics
A meteoroid is speeding through the atmosphere, traveling east at 23.1 km/s while descending at 18.3 km/s. What is its speed, in km/s?

Physics
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0475 s, during which time it experiences an acceleration of 417 m/s2. The ball is launched at an angle of 59.7° above the ground. Determine the (a) horizontal an...

Physics
A tennis ball is struck and departs from the racket horizontally with a speed of 27.3 m/s. The ball hits the court at a horizontal distance of 18.7 from the racket. How far above the court is the tennis ball when it leaves the racket?

math
vlad purchased some furniture for his apartment. The total cost was \$2942.37. He paid \$850 down and financed the rest for 18 months. At the end of the finance period. Vlad owed 2147.48. What annual interest rate compounded monthly eas he being charged? round your answers to tw...

chemistry
How many liters of 20 Volume H2O2 will contain one mole of hydrogen peroxide?

math

math
108 ,36,12,4 ___ ,____find next two numbers 12,24 ,48,96 ____, ___ find the next two numbers 1 ,1,2,3 ____, ____ find the next two numbers

math
1.) Calculate the area of a circle with radius 8.5 inches. . 2.) Calculate the area of a circle with the diameter 15 feet. . 3.) Calculate the area of a circle with radius 9 feet

science
A science teacher tells her class that their final project requires the students to measure a specific variable and determine the velocity of a car with no more than 2.5% error. Jennifer and Johnny work hard and decide the velocity of the car is 34.87 m/s. The teacher informs ...

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