Thursday
October 2, 2014

Posts by brain


Total # Posts: 14

physics
The highest barrier that a projectile can clear is 13.4 m, when the projectile is launched at an angle of 11.0o above the horizontal. What is the projectile’s launch speed?
June 27, 2013

physics
A track star sprints 50.0 m in 8.00 s, stops, turns directly around, and walks slowly back to the starting line in 40.0 s. What are the average speed and velocity for his round trip?
June 26, 2013

Math Please help ASAP
how do you find the LCM (90, 120) by taking the quotient of the product of the numbers and divide by the greatest common factor of the numbers
April 25, 2013

psychology statistics
Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means refer to happiness ...
February 28, 2012

Math
input 3 , 5 , 10 , 50 , 100 output 9 ,15 , 30 ,150 , 300
February 27, 2012

physics
1.A merry-go-round makes one complete revo- lution in 12.2 s. A 49.4 kg child sits on the horizontal floor of the merry-go-round 2.3 m from the center. Find the child’s acceleration. The accelera- tion of gravity is 9.8 m/s2 . Answer in units of m/s2 2.Find the horizontal...
February 4, 2012

physics
A boat moves through the water with two forces acting on it. One is a 2000 N forward push by the motor on the propeller, and the other is an 1741 N resistive force due to the water around the bow. What is the acceleration of the 1020 kg boat? Answer in units of m/s2
October 22, 2011

physics
A 8.2 kg object undergoes an acceleration of 2.5 m/s2. What is the magnitude of the resultant force acting on it? Answer in units of N
October 22, 2011

physics
A 4.5 kg object is accelerated from rest to a speed of 39.2 m/s in 76 s. What average force was exerted on the ob- ject during this period of acceleration? Answer in units of N
October 22, 2011

com1055
may i have two exmple in changinging in your writing
March 13, 2011

math 5th grade
One morning, 8/9 of the customers at the diner ordered coffee. Regular coffee was ordered three times as much as flavored coffee. What fractional part of the customers orderd flavored coffee? I did it this way 8/9x3/1= 24/9=8/3 I got 2 2/3 It is wrong so please show me how to ...
February 12, 2011

10th grade Chemistry
hi
December 8, 2010

calc
using l'hopsital's rule: find the limit as t approaches 1 of sin(pi t) / 1 - ln t
March 27, 2008

math
x^2+2x+5 complete the square
March 25, 2008

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