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Warm Up AP Physics Monday 14.09.15 Standards: Kinematics 1D & 2D: Big Idea 3 Learning Objective: SWBAT Solve displacement & Speed vector problems 20m.

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Presentation on theme: "Warm Up AP Physics Monday 14.09.15 Standards: Kinematics 1D & 2D: Big Idea 3 Learning Objective: SWBAT Solve displacement & Speed vector problems 20m."— Presentation transcript:

1 Warm Up AP Physics Monday Standards: Kinematics 1D & 2D: Big Idea 3 Learning Objective: SWBAT Solve displacement & Speed vector problems 20m y=? 40° x=? I –Independent Resilient Individuals RST Synthesize information from a range of sources into coherent understanding of a process, phenomenon, or concept,… Learning Objective: SWBAT collect data and find their reaction time using the fact that gravity accelerates objects downwards Agenda: Warm Up Review HW & Math Skills Quiz Study Guide Math Skills Quiz Sample Vector Problem. HW Homework KAP 10

2 Warm Up An object moves at 4 m/s at an angle of 30 degrees north of west. What are the x and y components of the speed. AP Physics Tuesday Standards: Kinematics 1D & 2D: Big Idea 3 Learning Objective: SWBAT graphically represent speed and velocity I –Independent Resilient Individuals RST Synthesize information from a range of sources into coherent understanding of a process, phenomenon, or concept,… Learning Objective: SWBAT collect data and find their reaction time using the fact that gravity accelerates objects downwards Agenda: Warm Up Math Skills Quiz Vector Word Problem Guided Practice. Homework KAP #10

3 Warm Up Find the total x & y displacement of an object that travels 20 m at 45 degrees North of West then changes direction and travels 10 m east. AP Physics Wednesday Standards: Kinematics 1D & 2D: Big Idea 3 I –Independent Resilient Individuals RST Synthesize information from a range of sources into coherent understanding of a process, phenomenon, or concept,… Learning Objective: SWBAT collect data and find their reaction time using the fact that gravity accelerates objects downwards x(m) Agenda: Warm Up Finish Quiz Correct Quiz Guided Practice #1 Intro to Inclined Plane Lab Homework KAP 10

4 Warm Up Break the following vectors into x and y components. Next add up the vector components to get a resultant vector. AP Physics Thursday Standards: Kinematics 1D & 2D: Big Idea 3 I –Independent Resilient Individuals RST Synthesize information from a range of sources into coherent understanding of a process, phenomenon, or concept,… Learning Objective: SWBAT collect data and find their reaction time using the fact that gravity accelerates objects downwards Learning Objective: SWBAT begin acceleration Lab 1 10N 2 30° 60° 10N Agenda Warm Up Review HW Grade Quiz Begin Acceleration Homework KAP #11

5 AP Physics Friday Standards: Kinematics 1D & 2D: Big Idea 3 RST Meaning of symbols, key terms, technical jargon Problem Solvers Objective: SWBAT determine whether or not mass and acceleration are related. Warm Up A balloon rises at a constant 10 m/s. The wind blows it Eastward at a constant 2 m/s. a) at what angle off the vertical will the balloon be traveling? Agenda Warm Up Review HW Collect Homework Continue Acceleration Lab Homework KAP#12

6 KAP #9 Magnitude & Angle of Vectors
vy (m/s) For each vector find the magnitude, angle, and the x & y components. Each mark is 1 unit. 9.05 m.s 1 m/s j 6.34° -9 m/s i -3 m/s i 7.6 m/s 71.5° 3 m/s j -9m/s j 23.2° 7 m/s i vx (m/s) 9.49 m/s -3m/s i 8.06 m/s 53.1° 4 m/s j 29.7° -4 m/s j 5 m/s 7 m/s i

7 KAP #10 adding vectors The pronghorn antelope, found in North America, is the best long- distance running among mammals. It has been observed to travel at an average speed of more than 55 km/hr for up to 6.0 km. Suppose the antelope runs a distance of 5.0 km in a direction 11.5 degrees north of east, turns, and then runs 1.0 km south. Calculate the resultant displacement. In 1926, Gertrude Ederle of the United States became the first woman to swim across the English channel. Suppose Ederle swam 25.2 km east from the coast near Dover, England, then made a 90 degree turn and traveled south for 21.3 km to a point east of Calais, France. What was Ederle’s resultant displacement? A killer whale can swim as fast as 15 m/s. Suppose a killer whale swims in one direction at this speed for 8.0 s, makes a 90 degree turn, and continues swimming in the new direction with the same speed as before. After a certain time interval, the magnitude of the resultant displacement is m. Calculate the amount of time the whale swims after changing direction. p.18 2D-A due east: 0 km I km j km, 42.6° south of east Δty=8.9s

8 AP Physics Math Skills Quiz Study Guide
Graph the following. Find the slope, equation of best fit line, and area under the curve. Scientific Notation in scientific notation in scientific notation 4x106 and 3x10-2 in standard form Exponents 4x106*2x103/7x x101/4x10-2 Conversions 20 mi -> m, 20mm-> m, 12 lb -> kg, 1mm-> km Graphing t(s) v(m/s) 4 2 9 11 6 14 8 20 10 26 12 33 38 16 40 20 16 12 4.423x108 , 3x10-11, 4,000,000 and 0.03 1.184x105 3.22x104m,. 0.02m, 5.45 kg, 1x10-6km Flat negative graph with v=-0.178 x(m) Create a velocity & acceleration vs time graph using this graph 8 4 5 10 15 20 25 30 35 40 45 50 t(s)

9 AP Physics Math Skills Quiz
b. Graph the following. Find the slope, equation of best fit line, and area under the curve. Scientific Notation a in scientific notation b in scientific notation c. 8x105 and 4.6x10-4 in standard form Exponents a. 6x105*2x102/3x x102/4x10-2 Conversions a. 40 mi -> m, b. 119mm-> m, c. 20 lb -> kg, d. 50mm-> km 4. Graphing t(s) v(m/s) 3 2 7 4 10 6 16 8 19 22 12 26 14 31 33 20 16 12 1a. 9.2x106 b x10-7 c , 2.4x104 a. 6.44x104m, b m c kg d. 5x10-5km straight line at +0.4 m/s until 20 s. see separate page. x(m) a. Create a velocity & acceleration vs time graph using this graph 8 4 5 10 15 20 25 30 35 40 45 50 t(s)

10 Graph Solution AP Physics Quiz Study Guide
320 m = Area

11 Graph Solution AP Physics Quiz
264m = Area

12 KAP #11 The longest snake ever found was a python that was 10.0 m long. Suppose a coordinate system large enough to measure the pythoon’s length is drawn on the ground. The snake’s tail is then placed at the origin and the snakes body is stretched so that it makes an angle of 60.0° with the positive x-axis. Find the xa and y coordinates of the snake’s head. The landing speed of the space shuttle Columbia is 347 km/h. If the shuttle is landing at an angle of 15.0° with respect to the horizontal, what are the horizontal and vertical components of its velocity? 2D vectors B p x=5m i , y=8.66 m j 5. vx=335 km/hr i, vy=89.8 km/h j

13 KAP #12 A car parachutes down from a plane 1000 m in the air at a constant speed of 15 m/s. The wind is blowing at 3 m/s to the west. How long will it take to hit the ground? What is the resultant velocity of the car? What angle off of the vertical is the car moving? What is the total distance that it will travel while in the air? What is the horizontal displacement of the car from the point it left the plane to the point it landed?


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