2.3b Freefall in Two Directions (1D) | AS Kinematics | Cambridge A Level Physics

Описание: When an object moves up and down, how do we be careful of the change in signs?
00:00 Ball thrown up Demo
04:07 Kinematic Graphs with Two Directions
10:58 Example ON19 P12 Q6 Ball Air Time (equation method)
20:49 Alternative method (graph method)

SIMULATIONS
Freefall Ball Graphs (https://www.geogebra.org/m/qpxcs6vb)
Freefall Graphs Custom (https://www.geogebra.org/m/Kc88gNS3)

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   • Ch2 Kinematics | CAIE 9702 AS Physics  

Practice Questions
*starred Q's are in example videos
MJ15 P22 Q2 (pg11) Stone thrown up*
ON19 P22 Q2 (pg21) Beam of light free fall
FM20 P22 Q2b (pg22) Dolphin Ball
ON20 P21 Q2b (pg23) DGI Drone
FM22 P22 Q3 (pg26) Elevated ball throw

MCQs
MJ12 P11 Q6 (pg8) Determine acc
MJ12 P11 Q8 (pg8) Feather in tube
MJ12 P12 Q8 (pg9) Steel ball freefall
MJ12 P12 Q9 (pg9) Brick dislodged
ON12 P11 Q9 (pg9) Ball thrown in air concept
MJ14 P11 Q7 (pg13) Time to return
MJ14 P13 Q7 (pg13) Freefall Measurements
ON14 P11 Q5 (pg14) Falling Time Expression
ON14 P13 Q6 (pg14) Expression for g
ON15 P11 Q9 (pg17) Well Echo time
ON15 P12 Q7 (pg17) Acceleration in Freefall
ON17 P12 Q8 (pg22) Hot Air Balloon
FM18 P12 Q9 (pg23) Ball thrown vertically
MJ18 P11 Q6 (pg24) Tennis ball in air
FM19 P12 Q7 (pg26) Stone throw up
MJ19 P12 Q8 (pg27) Graph match statement
MJ19 P13 Q8 (pg27) Sky diver v-t
ON19 P12 Q6 (pg27) Ball flight time*
ON19 P13 Q6 (pg28) Lead sphere*
ON19 P12 Q8 (pg28) Tennis ball in air
MJ20 P13 Q7 (pg30) 2 ball free fall
ON21 P12 Q7 (pg33) Stone max height
MJ22 P12 Q6 (pg35) Stone & Sound

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