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Final Jeopardy QuestionFinal Jeopardy Question

Mathematical tools Motion

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Momentum

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ForcesEnergy/Work

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Mathematical Tools 100 pts

Put 546,000 into correct scientific notationand indicate how many sig figs it has.

5.46 X 105

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Mathematical Tools

100 ptsAnswer

What is the difference between a scalar and a vector quantity?

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Mathematical Tools

200 pts

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Mathematical Tools

200 pts

A vector has magnitude and directionA scalar has only magnitude

Which of the following are vector quantitiesa. veloctiy b. mass c. weight d.work e. energy f. force

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Mathematical Tools

300 pts

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Universal law of Gravitation 300 pts

Velocity, Force and Weight

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5m North + 6m EastFind the resultant displacement?

Mathematical Tools

400pts

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Mathematical Tools

400 pts Answer

7.8 m at 40 N of east

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Mathematical Tools

500 pts

5N

20

Find the horizontal component

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-4.7N

Mathematical Tools

500pts Answer

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motion100pts

What is the average speed of a car who Traveled 20 m in 5seconds

20 m/s

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motion100 pts

What is the direction of the force of a movingobject in circular motion?

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motion200 pts

Inwards, Toward the center

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motion200ptsAnswer

A ball thrown downward with a speed of 11 m/s at a height of 10 m. How much time does it take for the ball to strike the ground?

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motion 300 pts

.7s

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motion300 pts

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What variable should go on the y axis if the objects motion in the following graph is non zero and has a constant velocity.

motion400 pts

t

(D) Position

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motion400 ptsAnswer

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motion500 pts

What variable should go on the y axis if the objects motion in the following graph is non zero and has a constant velocity

t

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motion500 ptsAnswer

(V) Velocity

What is the unit for force?

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Forces100 pts

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Forces100 ptsAnswer

A Newton (N)

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What force is the cause of all Satellite motion?

Forces200pts

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Forces200ptsAnswer

Gravitational Force

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Forces300pts

A 15kg ball moving at 2m/s comes to a stop in 3seconds. What is the average force on the breaks?

10 N

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Forces300ptsAnswer

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What are the forces acting on a object that moves at a constant speed on a frictionless surface?

Forces 400pts

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A downwards Gravitational forceAnd an upwards normal force

Forces400pts

.

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An object is pulled at a constant speedwith an applied force of 6 N at a angle withthe ground of 30 degrees. What is the friction between the ground and the object?

Force500pts

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5.2N

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When is momentum conserved?

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All the time

Which has the greater momentum a large vanOr a small compact car moving with the sameVelocity?

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The Van

A 1 kg ice puck moving at 10 m/s comes to rest in 5 seconds? What is the change in momentum?

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10 kg m/s

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.A 1 kg ice puck moving at 10 m/s comes to rest in 5 seconds. What is the force acting on the puck?

2 N

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A 1 g bullet is fired into a 2kg block of wood with a initial velocity of 100m/s sitting on a frictionless surface? What is the final velocity of the bullet and the block of wood?

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.5m/s

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When is energy conserved?

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All the time, it is just transferred from one form to another

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Which of the following are measured in joules?a.Energy b.Power c.Workd.Force

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Work and Energy

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A 100kg car moving at 4m/s has how much K.E.?

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800J

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What is centrifugal force?

A fictitious force made up by people to explain something they don’t understandBack

How much Power is necessary to lift a 2kg block up a flight of 10 steps in 2 seconds. Each step is 10cm tall?

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9.8 Watt

When was the internet developed?

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1960’s

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