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New exercises from Khan Academy 2020-04-07T22:05:13.842324
Actualizado: hace 2 horas 13 mins

2D projectile motion: Vectors and comparing multiple trajectories

Lun, 2020-03-16 00:53
Questions on displacement, velocity, and acceleration vectors for horizontally launched projectiles. Comparing initial speed and time in the air for multiple projectiles. 

Using the lens formula

Vie, 2020-03-13 10:10
Let's practice some problems to apply and better understand the lens formula for convex and concave lenses.

Ratio tables

Jue, 2020-03-12 18:44
Practice filling out tables of equivalent ratios.

Rational equations intro

Jue, 2020-03-12 17:34
Solve equations that have one rational expression whose numerator and denominator are linear expressions.

Estimate center using histograms

Jue, 2020-03-12 17:22
Use histograms to estimate the "typical" amount shown.

Paths of light rays through spherical lenses

Jue, 2020-03-12 11:01
Let's practice some problems to better understand the paths that light rays take after refracting through spherical lenses.

Determine similar triangles: SSS

Mié, 2020-03-11 16:17
Given two triangles with their side measures, determine whether the triangles are similar or not.

Groups influencing policy outcomes

Mar, 2020-03-10 21:38
Practice your skills in this quiz on single-issue groups, social movements, protest movements, interest groups, and government agencies

Rotate points

Mar, 2020-03-10 20:57
Given a point and a definition of a rotation, plot the rotation on a coordinate plane or identify the coordinates of the rotated point.

Parts of complex numbers

Mar, 2020-03-10 20:54
Determine the real and the imaginary parts of complex numbers

Coordinate plane word problems (quadrant 1)

Mar, 2020-03-10 20:47
See how we can use the axes on the coordinate plane to represent quantities.

Pythagorean theorem in 3D

Mar, 2020-03-10 19:40
Apply the Pythagorean theorem to find lengths in prisms and pyramids.

The Court in action

Mar, 2020-03-10 17:01
Test your knowledge in how the other branches can challenge the Court's legitimacy and power after a controversial or unpopular decision!

Holding the bureaucracy accountable

Mar, 2020-03-10 16:58
Test your knowledge on how the other branches hold the bureaucracy accountable as it implements policy!

Ideology and policymaking

Mar, 2020-03-10 16:48
Test your knowledge on how US political culture influences policymaking over time!

Snell's law of refraction

Mar, 2020-03-10 14:46
Let's practice problems involving Snell's law of refraction.

Identify factors

Lun, 2020-03-09 22:57

Find a missing side length when given area

Lun, 2020-03-09 16:57
Practice finding a missing side length on a rectangle when given the other side length and the area.