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KhanAcademyExercises

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New exercises from Khan Academy 2019-12-14T00:44:20.573389
Updated: 1 hour 40 min ago

Multiplication and division word problems

Mon, 2019-11-25 17:28
Practice solving multiplication and division word problems. Some problems have remainders.

Short-run aggregate supply

Mon, 2019-11-25 10:37
Practice what you've learned about sticky wages, menu costs, and short-run aggregate supply shocks in this exercise. 

Magnetic field due to a current-carrying circular loop

Mon, 2019-11-25 04:07
Let's test our understanding of the magnetic field and field lines due to a current passing in a circular loop.

Static and kinetic friction

Mon, 2019-11-25 01:15
Practice finding the acceleration of an object when static and kinetic friction forces are included. 

Division with arrays

Sun, 2019-11-24 23:55

Using voltmeters and ammeters to measure potential difference and current

Sun, 2019-11-24 21:58
Practice identifying the correct placement of voltmeters and ammeters to measure an unknown circuit or electric potential difference for a circuit. 

Identifying equal and opposite forces

Sun, 2019-11-24 21:09
Practice identifying the correct reaction to an action using Newton's third law. 

Newton's second law: Solving for force, mass, and acceleration

Sun, 2019-11-24 18:45
Practice applying Newton's second law to symbolically solve for mass, acceleration, and force magnitude. 

Net force and acceleration exercise

Sun, 2019-11-24 16:42
Practice using Newton's first law to make conclusions about an object's acceleration or the forces on the object. 

Magnetic field due to a current-carrying solenoid

Sun, 2019-11-24 14:23
Let's test our understanding of the magnetic field and field lines due to a current passing through a solenoid.

Angle types

Fri, 2019-11-22 21:05
Determine if an angle is acute, right, or obtuse.  A protractor is provided.

Name angles

Fri, 2019-11-22 20:55
Name angles by their vertex, endpoints, or labels.  

Analyze quadrilaterals

Fri, 2019-11-22 20:52
Classify and compare rectangles, rhombuses, and squares.

Electric motor: parts and functions

Fri, 2019-11-22 10:32
Let's practice some problems to better understand the parts of an electric motor and their functions.

Electric motor: working

Fri, 2019-11-22 10:32
Let's test our understanding of the functioning of an electric motor.

Fleming's left-hand rule

Fri, 2019-11-22 10:20
Let's practice some problems involving Fleming's left hand rule to find out the direction of the force on a current in a uniform magnetic field.

Magnetic field around a straight current-carrying wire

Fri, 2019-11-22 09:07
Let's test our understanding of the magnetic field and field lines around a straight current-carrying conductor.

Right-hand thumb rule

Fri, 2019-11-22 09:06
Let's test our understanding of the right-hand thumb rule, used to figure out the direction of the magnetic field around a current-carrying conductor.

Force on a current in a magnetic field

Fri, 2019-11-22 09:05
Let's solve some problems to better understand the factors that affect the force on a current in a magnetic field.

Magnetic field lines: direction

Fri, 2019-11-22 07:38
Let's test our understanding of the properties of magnetic field lines.

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