Unit 5 Jeopardy Speed Velocity Acceleration

Jeopardy SpeedVelocityAccelerationTest Prep Physics is Phun Final Jeopardy

Speed for 100 Back What is the speed of a car that has gone 60 meters in 20seconds? Step 1 –D = 60 meters –T = 20 seconds –S = ? Step 2 –s = d/t Step 3 –S = 60m/20s Step 4 –3m/s

Speed for 200 Back What always causes a change in speed, direction or both? Unbalanced forces

Speed for 300 Person A is traveling faster than person C both have a constant speed Back A B C What is the difference in speed between person A and C- do not need to do calculations, just general terms.

Speed for 400 Back How long did it take a car traveling 80km/hr to travel a distance of 400km? Write formula Plug in numbers Solve with units A.S=d/t B.80km/hr=400km C.5hours

Speed for 500 Richmond, Virginia is approximately 2400km from Colorado Springs. Find the velocity of a plane that took 5 hours to travel that distance. *v=d/t + direction *v= 2400km/hr + direction V= 480 km/hr +east Back

Velocity for 100 It takes Sara 90min to get to Tucson from Phoenix (180km). What is her velocity Back Step 1 –D = 180 kilometers –T = 90 minutes –V = ? –Direction - South Step 2 –V = d/t + direction Step 3 –S = 180m/90min (south) Step 4 –2km/min South

Velocity for 200 Back An Amtrak train travels from Phoenix to Flagstaff 240meters in 6 hours. What is the trains average velocity? Step 1 –D = 240 m –T = 6 hours –V = ? –Direction - North Step 2 –V = d/t + direction Step 3 –V = 240m/6hr North Step 4 –40mph North

Velocity for 300 What is the average acceleration of a train that speeds up from 9.6 m/s to 12 m/s in 0.8 seconds on a straight section of track? Back Vf- Vi/t 12m/s – 9.6 m/s divided by 0.8 s. 2.4m/s divided by 0.8s 3m/s/s or 3m/s 2

Velocity for 400 A fish has a velocity of 12m/s south in 5 seconds. What is the distance the fish covered? Answer- 60meters Back Position (m)

Velocity for 500 Identify the type of motion for each area in the velocity/time graph 1 = Acceleration 2 = Constant Speed 3 = De-acceleration Back 1 2 3

Acceleration 100 What is the definition of acceleration? (Be specific) A change in velocity –Change in direction or change in speed Back

Acceleration for 200 Back Draw a positive acceleration on a position/time graph

Acceleration for 300 A train is traveling at the speed of 50m/s at the top of the hill. 5 seconds later it reaches the bottom of the hill moving 70m/s. What is the rate of acceleration of the train? Back Step 1 –Final V = 70m/s –Original V = 50m/s –T = 5 sec –A = ? Step 2 –A = Final V – Orig. V Time Step 3 –A = 70m/s – 50m/s 5s Step 4 –4m/s/s

Acceleration for 400 Back Match the appropriate line to the particular color of car. A = Blue Car B = Red Car C = Green Car

Acceleration for 500 The pool ball rolled down the inclined (45 degree) plane and was clocked at 2.3m/s It started at 0m/s The time was 2 seconds What was the average acceleration? Back Formula Acc= Vf-vi/t 2.3m/s-0m/s / 2seconds 1.15m/s/s

Test Prep for 100 A force that always acts to oppose motion * friction Back

Test Prep for 200 A change in a moving object’s speed or direction. Back Acceleration

Test Prep for 300 The measure of gravitational force exerted on an object Back weight

Test Prep for 400 A measure that does not change when an object’s location changes. Back Mass

Test Prep for 500 Student has a weight of 420 N on Earth, what is the student’s weight on the moon? Back N because the moon’s gravitational pull is 1/6 that of Earth’s

Anything is game for 100 What is the difference between speed and velocity? Velocity is speed in an given direction Back

Anything is game for 200 An unbalanced force can cause an object’s motion to change by …??? (hint: there are 4) Changing direction or speed; starting or stopping motion Back

Anything is game for 300 What do the following units represent? 1.25mph 2.102km 3.5.5km/hr/sec 4.6min m/s east 1.Speed 2.Distance 3.Acceleration 4.Time 5.Velocity Back

Anything is game for 400 Back A skater is making circles at a constant speed. Is he accelerating? Why or why not? Yes, because he is changing direction, therefore his velocity is changing

Anything is Game for 500 The law of universal gravitation says that gravitational force is related to what? Back mass and distance

Final Jeopardy Name the motion for the following graphs : Constant + VelocityConstant - Velocity + Acceleration Stopped Constant + Velocity & Constant - Velocity Acceleration & De-acceleration De-Acceleration Acceleration in the - direction

And the winner is….. Good Luck on your test! Study, Study, Study!!!