Two Dimensional Kinematics
Two Dimensional Kinematics 2070
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This 3 page Class Notes was uploaded by Daria on Saturday September 3, 2016. The Class Notes belongs to 2070 at Clemson University taught by Amy Pope in Fall 2016. Since its upload, it has received 9 views. For similar materials see General Physics 1 in Physics at Clemson University.
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Date Created: 09/03/16
TwoDimensional Kinematics Motion in Two Dimensions ● Motion in the xdimension and ydimension do not depend on each other; they are independent. ● Assumptions for projectile motion: ○ Air resistance 2 ○ g=9.81m/s ○ Earth’s rotation ● If something is thrown at an upward angle, x is a constant and y will be affected by gravity FILL THIS IN ● Position as a function of time ● Velocity as a function of position ● Velocity as a function of time Zero Launch Angle ● Launch angle is the direction of initial velocity with respect to horizontal. Velocity in x direction: 2m/s Height of table: 0.6m ● Position as a function of time ● 0 = 0.6m ½ (9.81) t ○ t=0.35s ● x =0 + (2m/s)(0.35s) ○ x = 0.7m General Launch Angle ● When you have a general launch angle, you must break down the angle into x and y components Example ● A ball is thrown with an initial velocity of 5m/s 23 degrees below the horizon on a 20m tall building. How far away from the building will the ball will go? v 0x5 cos 23 v 0y5 sin 23 0=20 5sin23t1/2(9.8)t 2 x=0+5sin23(2)½(9.8)(4) x = 16m General Launch Angle
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