## How To Add Fractions The Easy Way

The following examples will be considered: 1/5 + 3/4 1/2 + 3/5 1/2 + 1/3...

From Problem Solver

The following examples will be considered: 1/5 + 3/4 1/2 + 3/5 1/2 + 1/3...

From Problem Solver

Find out how to factor the following polynomials with 4 terms: x^3-2x^2-4x+8, x^3-3x^2-4x+12, x^3-3x^2-x+3, x^3-5x^2-9x+45...

From Problem Solver

Learn how to factor the following expressions: x^3+10x^2+25x, x^3-10x^2+24x, x^3-11x^2+30x, x^3+14x^2+49x...

From Problem Solver

Discover how to factor the following binomials: x^3+8, x^3+64, x^3+125, x^3+343...

From Problem Solver

This video shows you how to factor the following binomials: x^3-1, x^3-27, x^3-216, x^3-1000...

From Problem Solver

This video shows you how to solve the following trinomials: x^2+7x+10, x^2+8x+15, x^2+8x+16, x^2+8x+12...

From Problem Solver

This video shows you how to factor the following expressions: x^2+5x+4, x^2+6x+5, x^2+6x+9, x^2+7x+12...

From Problem Solver

Watch the video to learn how to factor the following expressions: x^2+4x+3, x^2+4x-5, x^2+5x+6, x^2+6x+8...

From Problem Solver

This video shows you how to factor the following polynomials: x^2+3x+2, x^2+3x-4, x^2+4x-12, x^2+5x-36...

From Problem Solver

Discover how to factor the following binomials: X^2-9, x^2-49, x^2-100, & x^2-144...

From Problem Solver

Find out how to factor the following binomials: x^2-16, x^2-25, x^2-81, & x^2-121...

From Problem Solver

Physics Conservation of Energy Part 6: This video discusses the difference between conservative and nonconservative forces....

From Problem Solver

Physics Conservation of Energy Part 5: Mechanical Energy = Kinetic Energy + Potential Energy + Any Other Energy In The System....

From Problem Solver

Physics Conservation of Energy Part 4: Here is the formula for average power: Average Power = Average Force x Average Speed...

From Problem Solver

Physics Conservation of Energy Part 3: Work is equal to the area under the curve of a force-distance graph....

From Problem Solver

Physics Conservation of Energy Part 2: W = Force x Distance x cos (angle)...

From Problem Solver

Physics Conservation of Energy Part 1: Discover the difference between kinetic energy and potential energy....

From Problem Solver

Physics Conservation of Energy Example Problem Part 10: Calculate the power required to lift 950 kg of water per hour to a height of 15m....

From Problem Solver

Physics Conservation of Energy Example Problems Part 9: Calculate the average power required to apply a constant force of 200N against friction to keep an object moving at a constant speed of 18 m/s. Also, find the average power needed to apply a force ...

From Problem Solver

Physics Conservation of Energy Example Problems Part 8: Calculate the average power of a motor that can lift a 150kg box to a height of 30m in 8 seconds against gravity....

From Problem Solver

Physics Conservation of Energy Example Problems Part 7: Calculate the work done by the force to move the object from (1) x = 0 to x = 5 (2) x = 5 to x = 8 (3) x = 0 to x = 8....

From Problem Solver

Physics Conservation of Energy Example Problems Part 6: How much work is required to stretch a spring from 5cm beyond its natural length to 9cm beyond its natural length....

From Problem Solver

Physics Conservation of Energy Example Problems Part 5: Calculate the work done by a force required to move a 60 kg box 15.8 m across a horizontal surface at constant speed. The coefficient of kinetic friction is 0.45. Calculate the work done by fricti...

From Problem Solver

Physics Conservation of Energy Example Problems Part 4: How much work must be done to stop a 35,000 kg train moving at 60 Km/hr?...

From Problem Solver

Physics Conservation of Energy Example Problems Part 3: How much work is done by a 200N vertical force that lifts a 5 kg box 2 m above the ground? Calculate the work done by gravity and the net work done by the object....

From Problem Solver

Physics Conservation of Energy Example Problems Part 2: How much work is done by a force required to lift a 15 kg box to a height of 4m? How much work is done by gravity? What is the net work done on the object?...

From Problem Solver

Physics Conservation of Energy Example Problems Part 1: How much work is required to accelerate a 5 kg ball from 8 m/s to 15 m/s?...

From Problem Solver

Physics Energy Conservation Problem Part 7: A 15kg block slides down an incline that is 200m high at an initial speed of 21 m/s. The coefficient of kinetic friction is 0.37. Calculate the final speed of the block when it reaches the bottom of the incli...

From Problem Solver

Physics Energy Conservation Problem Part 6: A 10kg block compresses a spring (k = 900N/m) by 3 meters. The coefficient of kinetic friction between the block and the surface is 0.36. Calculate the final speed of the block after it is released from the s...

From Problem Solver

Physics Energy Conservation Problem Part 5: A 15kg block is released from rest 35m above a spring. (k = 800N/m) How far will the spring compress?...

From Problem Solver

Physics Energy Conservation Problem Part 4: A block that is on a hill 100m high above the ground is moving at an initial speed of 8 m/s. Calculate the speed of the ball at points B and C as shown below as it slides down the frictionless hill....

From Problem Solver

Physics Energy Conservation Problem Part 3: A 10kg block moving at an initial speed of 16 m/s slides down a frictionless hill that is 40m high as shown below. Calculate how far the spring will be compressed if K = 750 N/m....

From Problem Solver

Physics Energy Conservation Problem Part 2: A 300N/m spring is compressed by 2m from its original length. The spring is released from rest causing the block to slide on the frictionless surface up the hill. Calculate the speed of the block as soon as i...

From Problem Solver

Physics Energy Conservation Problem Part 1: A block placed on a frictionless incline that is 20m high begins to slide down. Calculate the final speed of the block when it reaches the bottom of the incline....

From Problem Solver

...

From Problem Solver

To draw the lewis structure of NH3, first add the valence electrons. Keep in mind that hydrogen can form 1 bond at most....

From Problem Solver

...

From Problem Solver

...

From Problem Solver

...

From Problem Solver

Here is the formula you need to find the formal charge of any element in a compound in organic chemistry. Formal Charge = Valence Electrons - (Bonds + Dots)...

From Problem Solver

...

From Problem Solver

...

From Problem Solver

...

From Problem Solver

Discover how to draw the lewis structure of sulfate SO4-2....

From Problem Solver

...

From Problem Solver

Discover how to draw the lewis structure of PO4-3....

From Problem Solver

...

From Problem Solver

To draw the lewis structure of NO2+, make sure to deduct 1 from the total number of valence electrons in the ion due to the +1 charge....

From Problem Solver