04/01/18

Would a train traveling the same speed as a golf club make s ball go farther because of the greater mass?
Newtons 2nd law?
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03/28/18

Center of Mass
a. Find the coordinates of the center of mass (centroid) of the portion of the cardioid r=1+cosθ above the x-axis; that is, the region described by R= {(r,θ) : 0 ≤ θ ≤ π, 0 ≤ r ≤ 1+cosθ}.    b. A... more
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03/26/18

Given that tanA is 1/√5 ..find the value of cosec a -sec²A÷cosec²A+sec²A
 Related to trignometry
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03/21/18

given the vertext (-2,-7) and the y-intercept -3 determine the quadratic formula
must determine the quadratic function f whose graph is given
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03/04/18

How to solve: y = (cos2x) / (1+sin2x)
Good morning, can anyone please help me solve this problem? Thank you in advance. Have a nice day.
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03/03/18

Question about number of molecules and number of atoms
It would be really appreciated if you can help me with this: For a 2.2 x 10-2 grams if glucose (C6H12O6) Find: a) the number of molecules b) the total number of atoms
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02/27/18

physics questions about normal wieght
a car is going over the top of a curvature approximates a circle of radius 91m. Of what velocity will the occupants of the car appear to weigh 24% less than their normal weight or their normal... more
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02/25/18

Angle at which the ball moves after the collision
A ball moving at a speed of 6.5 m/s strikes a stationary ball of the same mass. The two balls undergo an elastic collision. After the collision, the first ball moves at an angle of 37º relative to... more
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02/25/18

A 22-in piece of string is cut into two pieces. One piece is used to form a circle while the other is used to form a square.
How should the string be cut so that the sum of the areas is a minimum?
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02/21/18

Informal division of (10s+40) / s^3+4s^2+3s
for the above informal division why the answer is 2+( (-2s^3-8s^2+4s+40)/(s^3+4s^2+3s))    can anybody explain  
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02/19/18

If a triangle has aise AB=3, AC=4 and BC=5. what is the altitude from A to side BC?
If a triangle has aise AB=3, AC=4 and BC=5. what is the altitude from A to side BC?
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02/19/18

All set of number to which negative pi 169 belong to
The number system
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02/19/18

Cube is filled with ideal gas what will be the new pressure of it
if a cube is filled with an ideal gas to a pressure of 18.0 atm at 0°C(273K) and volume of the cube doubles and the temperature is raised to 25°C, what is the new pressure? 
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02/18/18

How many moles of CO2 are present in the flask after 4mL of HCl have been added? What is the stoichiometric ratio between HCl adn CO2?
Flask is 150mL. P=1.81atm. Gas volume=135.9ml. Liquid volume=14.1mL.  I need help with putting this into an equation and writing the balanced equation for sodium bicarbonate and HCl.
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02/15/18

A block of mass 0.5 kg is pushed against a spring of unknown spring constant and compressed it by 6 cm.
The block is released and slides a total distance of 1.5 m along a rough horizontal surface before stopping. Assume that the surface has a kinetic coefficient of friction μk = 0.3. What is the... more
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01/31/18

Turing Trig Expression into Algebraic Expression
I have no idea how to turn this into an algebraic expression, please help ASAP! Please give me tips on how to do this with other trig to algebraic expressions, as I have four problems I am quite... more
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01/23/18

What will be the sum of the series 1 + 1/5 + (1*3)/(5*10) + (1*3*5)/(5*10*15) + ...... ?
I am unable to understand how to sum the series. Both the numerator and denominator are in AP and then getting multiplied like a GP :/ 
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01/22/18

polynomial function of least degree that has rational coefficients, leading coefficient of 1, and the given. Write the polynomial in standard form. 3i, 2−i
I need help, I don't understand
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01/18/18

wich of the following represents the equation of LINE PERPENDICULar to the line 4x+5y=1?
the equation of LINE PERPENDICULar to the line 4x+5y=1?
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01/18/18

Physics Power and Work
A 49kg bicycle rider delivers an average of 0.28 hp. The mass of the bicycle is 2.1kg and the hill she is climbing is 245m tall. How much time will this take?
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01/18/18

-2+3i polar form
write -2+3i in polar form
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01/12/18

a light alloy consists of 70 percent aluminium and 30 percent magnesium by mass calculate density of the alloy given thet density of aluminium is 2700 kilograms
per metre cubed and density of magnesium is 1740 kilograms per metre cubed
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01/08/18

give an example of a continuous function which is not differentiable at x=2
I need an other answer other than |x-2| please.
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01/05/18

Differentiation- Urgent help needed
let 𝑈(𝑥, 𝑦) be defined for all x > 0, y > 0 by𝑈(𝑥, 𝑦) = ln(𝑥^a+y^a)-Ln(y^a) where 𝛼 is a positive constant find U'1(x,y), U'2(x,y) and U''12(x,y)
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01/04/18

How do I calculate the eccentricity of the conic section below
 Here is the equation    9xy=4
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