Daryl
Most popular questions and responses by Daryl
physics
Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right corners are +3 uC and 6 uC respectively. The charges on the lower left and right corners are 2.4uC and9 uC respectively. The net force on 6uC
asked on April 25, 2013 
Physicsscience
A football player weighing 75 kg running at 2 m/s toward west tackles a 70 kg player running 1.5 m/s in the opposite direction. What is the decrease in kinetic energy during the collision?
asked on December 7, 2012 
math
a pizza has a circumference of 47.1in. what is the radius
asked on March 10, 2012 
Physics
Help please, Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right corners are +3 uC and 6 uC respectively. The charges on the lower left and right corners are 2.4uC and9 uC respectively. The net
asked on April 27, 2013 
math
explain how to find ans. a clock has a circumference of 166cm. what is the diameter
asked on March 10, 2012 
Physics parachute
A man is descending in a parachute of total mass 125 kg with a constant velocity. What is the air resistance the parachutist experiences in N?
asked on December 1, 2012 
calc
Assume that a rectangle with sides x and y is expanding with time. Let y = 2x and x(t)=2t+5. What is the rate of change of the area when t=2?
asked on December 19, 2012 
3rd grade
Explain how you can use a hundred chart to subtract 12 from 46.
asked on September 23, 2009 
Grenada
John has a 25gallon fish tank. John filled his tank today with 23gallons of water. The water evaporates at a rate of 1.5 gallons per week. John adds 2 gallons to the tank every other week. At what following time will the tank contain 16.5 gallons?
asked on January 13, 2013 
Physicsrain velocity to bike
Rain falls vertically downward with a velocity of 2.4m/s. A boy moves at a speed of of 6m/s east in a bicycle with an umbrella. What is the velocity of the rain with the respect to the boy. What angle from horizontal should he hold his umbrella?
asked on November 30, 2012 
algebra
Which of the following are examples of inferential statistics? Check all that apply. A.Finding the average (mean) of a set of numbers B.Testing every lightbulb produced by a company to confirm that each one works C.Testing random samples of lightbulbs
asked on April 17, 2012 
Calcextrema
Find all relative extrema in the function h(x)=cos(2pix/3) on the interval [0,2]
asked on December 9, 2012 
physics
A car accelerates uniformly from rest to a speed of 50.9 km/h (14.1 m/s) in 8 s. Find the distance the car travels during this time.
asked on August 29, 2017 
calc
What function should be used to maximize the volume of an open box that has a surface area of 24 and has a square bottom. x is the bottom and h is the height.
asked on December 19, 2012 
Physicsbullet travel distance
A bullet is fired at 45 degrees with respect to horizontal with a velocity of 50 m/s. How long is the bullet in the air? What is the range?
asked on December 3, 2012 
calc
find f(X)=(sin x)*1/2
asked on December 19, 2012 
Calcoptimization
Ann wants to build an enclosed area behind her house. One wall of the enclosed area will be the back of the house. She needs the total to be 120 sq feet. She wants to minimize the cost of fence materials. For the sides (W) fence materials cost $3/ft, for
asked on December 18, 2012 
Calcoptimization
Given y=(x)^1/2, find the closest point to (3/2,0)
asked on December 15, 2012 
physics
A car accelerates from rest at 2.10 m/s2. a. What is the velocity at the end of 4.0 s? b. What is the displacement after 4.0 s?
asked on August 29, 2017 
Algebra
Let F(x)=2x1 and g(x)=x^25 Find (f(g(6)) Thank you
asked on September 7, 2016 
physics
If the sound waves detected by the dector is the same as the frequency of the source, what can we conclude about the motion of the source and detector?
asked on April 7, 2013 
calc rates
assume a circle is expanding with time where r= t+3. What is the formula for rate of change of an area of the circle with reswpect to time?
asked on December 19, 2012 
CALCLIMITS
F(X)= x2/(x^24) is continuous at x=1 and why as limits approach from 1+ and 1
asked on December 19, 2012 
Calc and Physics
Damon and Reiny. Thanks for your quick and thorough responses.
asked on December 16, 2012 
Calcextrema
Find all relative and maximum extrema in ht efunction k(x)=(x^24)^2 on the interval [3,3].
asked on December 14, 2012 
calctangent line
find the equation to the line tangent to y=(x+3)^(1/3) at x=3.
asked on December 9, 2012 
math
you have two bikes that have same reaction times,one runs a 6.o with 140 60 foot the other runs 5.9 with 150 60 foot.who wins?
asked on January 30, 2012

Math
@damon, do youu know algebraic process of it?
posted on November 18, 2018 
physics
Thank you!
posted on August 29, 2017 
trigonometry
tnx bro!
posted on July 10, 2015 
question
2555
posted on July 29, 2014 
economics
If trade occurs between Francia and Galacia, which nation should export what product? Why?
posted on September 23, 2013 
us history
someone forgot to do homework?
posted on December 31, 2007