Osterberg(Physics.I. Name. . Exam.Review(Day.1. Date ...

[Pages:12]Osterberg(Physics.I.

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Name.________________________________.

Exam.Review(Day.1.

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Date._____________________..Hour._____.

Day$1$Exam$Review.Kinematics$

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1...Explain.the.difference.between.vector.and.scalar.quantities...Which.of.the.following.quantities.are.

vector.quantities:.distance,.displacement,.speed,.velocity,.acceleration?.

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2...What.is.the.definition.of.velocity?.Unit?..What.equation.is.used.to.calculate.velocity?..What.does.a.

positive.velocity.indicate?..What.does.a.negative.velocity.indicate?.

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3....The.slope.of.a.position.vs..time.graph.indicates.the.object's.______________________..

The.slope.of.velocity.vs..time.graph.indicates.the.object's.____________________..

The.area.underneath.the.curve.of.a.velocity.vs..time.graph.indicates.the.object's._________________..

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4...Define.acceleration...Unit?..What.is.the.acceleration.due.to.Earth's.gravity?..What.is.the.equation.for.

acceleration?.

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5...a).In.which.situations.would.acceleration.have.a.positive.direction?.

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b)..In.which.situations.would.acceleration.have.a.negative.value?.

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6...According.to.the.graph.below,.which.runner.is.faster?..Which.direction.are.they.heading.(toward.or.

away)?..Which.runner.is.ahead?.

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Osterberg(Physics.I.

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Name.________________________________.

Exam.Review(Day.1.

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Date._____________________..Hour._____.

7...The.space.shuttle.was.launched.on.October.29,.1998.with.John.Glenn.aboard...After.a.short.time.the.

broadcast.showed.that.the.shuttle.was.traveling.at.1300.m/s...70..s.later.it.was.traveling.at.1720.m/s..

a.. Make.a.motion.diagram.for.the.70..s.of.speeding.up...Label.all.known.values.with.appropriate.

units.and.place.a.question.mark.for.the.unknown.values...Be.sure.to.include.the.direction.of.

the.acceleration..

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b.. Make.a.distance.verses.time;.velocity.verses.time;.and.acceleration.verses.time.graph.and.label.

all.known.values...Use.the.velocity.graph.to.calculate.the.acceleration.of.the.shuttle.and.the.

distance.it.went.up..Use.the.slope.of.the.graphs.and.the.area.under.the.velocity.vs..time.graph.

to.calculate.the.acceleration.of.the.shuttle.and.the.distance.it.went.up..Be.sure.to.show.all.

work.and.write.the.answer(s).with.correct.significant.figures.and.units..

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c.. Use.the.kinematics.equations.to.calculate.the.acceleration.of.the.shuttle.and.the.distance.it.

traveled.up..Be.sure.to.show.all.work.and.write.the.answer(s).with.correct.significant.figures.

and.units..(Note:.This.a.way.to.check.the.answers.you.get.in.part.b.).

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Osterberg(Physics.I.

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Name.________________________________.

Exam.Review(Day.1.

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Date._____________________..Hour._____.

8.. A.hockey.player.is.skating.along.at.15.m/s...He.skids.ing.to.a.full.stop.3.75.m.later..

a.. Make$a$motion$diagram...Label.all.known.values.with.appropriate.units.and.place.a.question.

mark.for.the.unknown.values...Be.sure.to.include.the.direction.of.the.acceleration..

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. b.. Make$graphs...Make.a.distance.verses.time;.velocity.verses.time;.and.acceleration.verses.time.

graph...On.your.graphs.label.all.known.values..

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. c.. Use$the$kinematics$equations$to.calculate.the.unknown.values..Be.sure.to.show.all.work.and.

write.the.answer(s).with.correct.significant.figures.and.units..

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. d.. Check.your.calculations.by.going.back.to.the.velocity.graph.and.calculate.the.slope.and.area.

from.the.velocity.vs..time.graph.in.order.to.check.your.work.in.part.c...Be.sure.to.show.all.

work.and.write.the.answer(s).with.correct.significant.figures.and.units..

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OPTIONAL:.For.problems.9(11,.on.additional.paper,.use.the.same.format.as.problem.8.to.find.and.check.

all.unknown.kinematic.values..

9.. An.astronaut.drops.a.feather.1.0.m.above.the.surface.of.the.moon...The.feather.lands.1.2.s.later..

10.. You.drop.a.penny.from.the.Mackinaw.Bridge...You.see.that.it.lands.in.the.water.7.0.s.later..

11.....An.airplane.must.gain.a.ground.speed.of.60..m/s.in.order.to.take.off...The.plane.is.designed.to.

accelerate.at.1.5.m/s2..

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Name.________________________________.

Exam.Review(Day.2.

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Date._____________________..Hour._____.

Exam Review Day 2 - Projectile Motion

Show all work on another sheet of paper.

1. A cannonball is fired at 50. m/s from a horizontally aimed cannon set at the top of a cliff. It takes 3.0 s for the cannonball to land. a. Draw the motion diagrams for the x and y motion and label all known values, then put a question mark by unknown values.

Then, use the projectile motion equations for the following. Write all answers with correct significant figures and units. b. How far did the cannonball drop? c. How far did it travel horizontally? d. Just before landing, how fast was it moving down? e. Just before landing, how fast was it moving horizontally?

2. A cannonball is fired from a 35 m tall cliff with a velocity of 50. m/s at a 36.9? angle above the horizontal (40. m/s horizontally, 30. m/s up). On route to the ground, the cannonball goes through three interesting points listed below. For each of the points listed below, draw the motion diagrams for the x and y motion and label all known values, then put a question mark by unknown values. Then use the projectile motion equations to calculate the height above the ground, horizontal distance from the cannon, time of flight, horizontal velocity, and vertical velocity. Write all answers with correct significant figures and units. Show all work. a. Highest point. b. Same elevation from which fired. c. Ground level.

3. A cannonball is fired from a 35 m tall cliff with a velocity of 50. m/s at a 36.9? angle below the horizontal (40. m/s horizontally, 30. m/s down). a. Draw the motion diagrams for the x and y motion and label all known values, then put a question mark by unknown values.

Then use the projectile motion equations to calculate the following. Write all answers with correct significant figures and units. Show all work. b. How far did it travel horizontally? c. Just before landing, how fast was it moving down? d. Just before landing, how fast was it moving horizontally? e. How much time did it take to land?.

Osterberg(Physics.I. Exam.Review(Day.2.

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Name.________________________________.

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Date._____________________..Hour._____.

Exam Review Day 3 - Dynamics

1. What is a force? What is the unit for force? List the five different types of forces and the symbols for them.

2. What.is.Newton's.first,.second,.and.third.laws.of.motion?. . . . . .

3. A 100. N force pulls at an angle of 36.9? on a 24 kg block. The coefficient of friction between the

block and the ground is 0.25 and the force pulled on the block for 6.0 s.

a. Make a force diagram. Label all forces with values. Then, make a motion diagram. Label all

known values and put a question mark by unknown values.

each square = 20 N

36.9? Tension = 100. N @

b. Use Newton's 2nd Law to find the acceleration. Show your work and write the answer with correct significant figures and units.

c. Use the kinematics equations to find the distance and velocity after the 6.0 s pull. Show your work and write the answer with correct significant figures and units.

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Date._____________________..Hour._____.

4. A 24 kg block is already moving at 6.0 m/s when it gets to a ramp which is on a 30.? angle.

The coefficient of friction is 0.25. The block slides up the ramp slowing to a stop.

a. Make a force diagram. Label all forces with values. Then, make a motion diagram. Label

all known values and put a question mark by unknown values.

each square = 60 N

Weight = 240 N

b. Use Newton's 2nd Law to find the acceleration. Show your work and write the answer with correct significant figures and units.

c. Use the kinematics equations to find the distance and time. Show your work and write the answer with correct significant figures and units.

5. A 200. N force is applied at a 36.9? angle from the vertical to a 24 kg block pressing it against a wall 2.0 m above the floor. The block speeds up as it slides to the floor in 3.0 s. Calculate the coefficient of friction. a. Make a force diagram. Label all forces with values. Then, make a motion diagram. Label all known values and put a question mark by unknown values. Finally, use the motion diagram to calculate acceleration. Show your work and write the answer with correct significant figures and units.

scale: 1 square = 40 N

b. Use Newton's 2nd Law to find the net force. Show your work and write the answer with correct significant figures and units.

c. Calculate the coefficient of friction. Show your work and write the answer with correct significant figures and units.

Push

=362.090?

N @ from

wall

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Name.________________________________.

Exam.Review(Day.4.

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Date._____________________..Hour._____.

Exam Review Day 4 ? Circular Motion and Gravitation

1. For the following identify the forces, label the direction of the net force and write an equation for the net force.

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car on a

car on a banked curve,

person on amusement

curve

no friction

park swing

person on The Rotor

person at top of a Ferris Wheel

person at bottom of a Ferris Wheel

car at top of hill

car inverted at top of loop on roller coaster

ball on string, at top of swing

ball on string, at bottom of swing

moon orbiting Earth

satellite orbiting planet

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Osterberg(Physics.I.

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Name.________________________________.

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Date._____________________..Hour._____.

2. What does Newton's Universal law of Gravitation state about mass and distance?

3. The coefficient of friction between a cars tires and the road is 0.80. A 1500 kg car travels around a 120 m radius curve. a. Draw a front view of the car as it is rounding the curve and identify all forces acting on it. b. Make a force diagram for the car label all values. Be sure to calculate the net force and label it next to the diagram. Show all work and write all answers using correct significant figures and units. c. Use Newton's 2nd Law to calculate the acceleration of the car. Show all work and write all answers using correct significant figures and units. d. Calculate the maximum speed of the car. Show all work and write all answers using correct significant figures and units.

4. A 230 kg roller coaster car goes around a vertical loop with a 15 m radius. When it is upside down at the top of the loop the car is traveling at 25 m/s. a. Calculate the acceleration of the car. Show all work and write all answers using correct significant figures and units. b. Using Newton's 2nd Law to calculate the net force on the car. Show all work and write all answers using correct significant figures and units. c. Make a force diagram for the car while it is at the top of the loop. Calculate the size of all forces and indicate the net force off to the side of the diagram. Show all work and write all answers using correct significant figures and units. d. What is the force of the track down on the roller coaster car when it is at the top of the loop?

5. A 65 kg box is "floating" in the space shuttle as the shuttle orbits the Earth from a height of 400,000. m above the surface of the Earth. The radius of the Earth is 6,370,000 m. (We cannot use 9.8 for g.) a. The mass of the Earth is 5.97x1024 kg. Calculate the force of gravity on the box. Show all work and write all answers using correct significant figures and units. b. Make a force diagram for the box. Be sure to indicate the size and direction of the net force next to the diagram. c. Using Newton's 2nd Law calculate the acceleration of the box. Show all work and write all answers using correct significant figures and units. d. Calculate how much time it will take the box to orbit the Earth. Show all work and write all answers using correct significant figures and units. e. Calculate how fast the box is moving. Show all work and write all answers using correct significant figures and units.

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