Saturday

June 25, 2016
Total # Posts: 22

**math**

the product of two whole numbers is 48. find their greatest possible sum. what is the least sum.?
*July 30, 2015*

**maths**

i have to design a wine glass using quadratic and linear and i don't know what to do!!!!!
*March 29, 2015*

**algebra**

What quantity of pure acid must be added to 600 mL of a 45% acid solution to produce a 50% acid solution?
*February 10, 2015*

**Psychology**

integrate statistics with "real-life" issues, such as day care, in order to interpret them.
*April 23, 2013*

**algebra**

9w + 3 = 6(w - 2)
*January 16, 2013*

**Physics**

A 500 g metal ball is whirled in a vertical circle. What is the centripetal force which draws it toward the center of the circle as it passes through the highest point?
*December 30, 2012*

**Physics**

A meter stick is supported at its center. If a load of 150 dynes is placed at the 20 cm mark, where should a 100 dynes load be placed in order that the stick remains in the horizontal position?
*December 30, 2012*

**Physics**

Which of the following is NOT the correct dimension for electric field? A. N/C B. V/m C. J/Cm D. All of the answers have the correct dimensions for electric field
*August 29, 2012*

**physics**

a bullet penetrates 7 cm into a block of wood when fired at a speed of 33 m/s. Find the deceleration and the time taken to stop
*July 5, 2012*

**Change boring verb and ordinary adjectives**

Bill BECAME AGGRAVATED by his little sister
*May 23, 2012*

**Physics**

An arrow is shot at ground level with an initial speed of 50.0 m/s at an angle of 25.0° above horizontal. What is its x-coordinate when the arrow is on the way up and its y coordinate is 5.00 m above the ground?
*February 13, 2012*

**Physics**

A 2.97 kg block initially at rest is pulled to the right along a horizontal surface by a constant, horizontal force of 12.9 N. The coeﬃcient of kinetic friction is 0.126. The acceleration of gravity is 9.8 m/s^2. Find the speed of the block after it has moved 2.92 m. ...
*December 1, 2011*

**Physics**

then how would you find vertical velocity component?
*October 18, 2011*

**Physics**

An artillery shell is ﬁred at an angle of 32.2◦ above the horizontal ground with an initial speed of 1610 m/s. The acceleration of gravity is 9.8 m/s 2. Find the total time of ﬂight of the shell, neglecting air resistance. Answer in units of min Find its ...
*October 18, 2011*

**Physics**

A ball of mass 0.4 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 16 m/s at angle of 46◦ above the horizontal. The top of the fence is 4 m high. The ball ...
*October 18, 2011*

**Chemistry**

Thanks so much
*October 10, 2011*

**Physics help!!**

A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦ to the ground. How fast must the truck travel to stay beneath the airplane? Answer in units of km/h What is the magnitude of the vertical component of the velocity of the plane? Answer in ...
*October 10, 2011*

**Physics help!!**

A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.4 m/s. At the same time, it has a horizontal velocity of 57.2 m/s. At what speed does the vehicle move along its descent path? At what angle with the vertical is its path?
*October 10, 2011*

**Chemistry**

Ln( K/ 4.90*10^-4) = 1.56189 Solve for K
*February 8, 2011*

**calculus**

what is the derivative of (sin^2)x ?
*October 21, 2009*

**Science**

1.Is molar mass always done for one mol of substance? Let me make up an example: 2H2(g)+O2(g)--> 2H2O When finding molar mas of water would it be 2(2(1.01)+2(16)) or just 2(1.01)+16? 2. I'm not really sure about endergonic exergonic reaction because my teacher is ...
*July 27, 2009*

**Math**

2x+3>0 so x>=-3/2 if it was less than -3/2 the inside of the squareroot would be negative and that number does not exist in real number system. For range If I remember it is normally y>0 for this function but since it is shifted up 3 it would now be y>=3
*July 27, 2009*

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