Answers created by Rory H.

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How do you find the derivative of $f (x) = \sqrt{x} - 5 \sqrt[3]{x}$ $f(x)=sqrtx-5root3(x)$ ?
What is the ratio of the energy of a photon to its frequency?
An object carries a negative charge of about 10.0 C. How many excess electrons are on this object?
Question #0ae43
A 0.105-kg hockey puck moving at 24 m/s is caught and held by a 75-kg goalie at rest. With what speed does the goalie slide on the ice after catching the puck?
How do you find the derivative of $- ln (x - {(x^{2} + 1)}^{\frac{1}{2}})$ $-ln(x-(x^2+1)^(1/2))$ ?
How do you find the slope and intercept of $y = 3 x + 2$ $y=3x+2$ ?
Question #25b4e
What is 8 percent of 4400?
What is 3.2 light years equal to?
How do you convert 0.0075 to a percent?
Why do atoms emit or absorb light of specific wavelengths?
What is 64% of 75?
A circle's center is at $(2, 6)$ $(2 ,6 )$ and it passes through $(3, 1)$ $(3 ,1 )$ . What is the length of an arc covering $\frac{π}{3}$ $(pi ) /3$ radians on the circle?
In ﬁssion, a nucleus of uranium–238, which contains 92 protons, divides into two smaller spheres, each having 46 protons and a radius of $5.9 \times 10^{- 15} m$ $5.9×10^-15 m$ . What is the magnitude of the repulsive electric force pushing the two spheres apart?
How do you differentiate $y = ln [x^{4} {sin}^{2} (x)]$ $y = ln [x^4 sin^2 (x)]$ ?
An astronaut with a mass of $75 k g$ $75 kg$ is floating in space. If the astronaut throws an object with a mass of $9 k g$ $9 kg$ at a speed of $\frac{1}{8} \frac{m}{s}$ $1/8 m/s$ , how much will his speed change by?
Circle A has a center at $(1, 3)$ $(1 ,3 )$ and an area of $16 π$ $16 pi$ . Circle B has a center at $(2, 7)$ $(2 ,7 )$ and an area of $28 π$ $28 pi$ . Do the circles overlap?
What is the cross product of $[3, 0, 5]$ $[3, 0, 5]$ and $[3, - 6, 4]$ $[3,-6,4]$ ?
How much power is produced if a voltage of $2 V$ $2 V$ is applied to a circuit with a resistance of $14 Omega$ ?
How do you find the derivative of $cos^2(x^2-2)$ ?
What percent of 80 is 20?
A circle's center is at $(2 ,4 )$ and it passes through $(3 ,1 )$ . What is the length of an arc covering $(13pi ) /12$ radians on the circle?
A motorcycle accelerates from 15 m/s to 20 m/s over a distance of 50 meters. What is its average acceleration?
What is $(80x^4 + 48x^3 + 80x^2) -: 8x$ ?
A charge of $36 C$ passes through a circuit every $6 s$ . If the circuit can generate $6 W$ of power, what is the circuit's resistance?
What is the slope-intercept form of the line passing through $(-1, 4)$ and $(-4, 2)$ ?
How do you differentiate $g(y) =(2x-5 )(x^2 + 3)$ using the product rule?
Question #3260c
Question #09369
Which has a greater ideal mechanical advantage, a ramp that is 12 m long and 2 m high or a ramp that is 6 m long and 2 m high?
If a rocket with a mass of 2900 tons vertically accelerates at a rate of $2/9 m/s^2$ , how much power will the rocket have to exert to maintain its acceleration at 6 seconds?
How do you solve $3x^2-5x+7=0$ ?
How do you calculate the frequency of light if you know its wavelength?
A charge of $2 C$ is at the origin. How much energy would be applied to or released from a $3 C$ charge if it is moved from $( -4, 0 )$ to $( -6 ,-3 )$ ?
A charge of $16 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $28 J$ to $4 J$ , what is the voltage between points A and B?
What is the gravitational potential energy of a $9 kg$ object on a shelf $5/6 m$ high?
Question #ace79
How do you factor the expression $4x^2 + 14x + 6$ ?
How do you graph the derivative of $f(x) = x^2$ ?
What is the slope of a line perpendicular to the line whose equation is $y = -2/3x-5$ ?
The force applied against a moving object travelling on a linear path is given by $F(x)= x^2+e^x$ . How much work would it take to move the object over $x in [3,7]$ ?
Question #22b1a
What evidence do we have for the change in size of the universe?
How much power is produced if a voltage of $8 V$ is applied to a circuit with a resistance of $16 Omega$ ?
Question #fd2f4
How do you find the center and radius of the the circle $x^2 + y^2 + 6/5x - 8/5y - 8 = 0$ ?
Why is the Hubble Space Telescope important to modern astronomy?
Question #6f2c6
What is the equation of the line that is normal to $f(x)= sqrt( x^3-3x+2)$ at $x=5$ ?
How do you write the explicit formula that represents the geometric sequence -2, 8, -32, 128?
A charge of $24 C$ passes through a circuit every $9 s$ . If the circuit can generate $8 W$ of power, what is the circuit's resistance?
What torque would have to be applied to a rod with a length of $1 m$ and a mass of $2 kg$ to change its horizontal spin by a frequency of $6 Hz$ over $4 s$ ?
What is the gravitational potential energy of a $16 kg$ object on a shelf $5 m$ high?
How do you find the polar coordinate for (-12, -12)?
How do you simplify $7i+(3-16i)$ ?
An object with a mass of $12 kg$ is on a plane with an incline of $- pi/6$ . If it takes $9 N$ to start pushing the object down the plane and $8 N$ to keep pushing it, what are the coefficients of static and kinetic friction?
What is the area of a triangle with the vertices at (-1,-1) , (3,-1) . and (2,2)?
How much work would it take to push a $5 kg$ weight up a $15 m$ plane that is at an incline of $pi / 4$ ?