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26 Nov 2019

1a. Which of the following statements are IMPOSSIBLE?Choose all that apply.
1
The parked motorcycle had 0 J ofKE. The truck had 7325 J of KE and0kg·m/s of momentum. A ball movingin a circle had 0 N of net forceacting on it. A box had anacceleration of 2109 m/s2while a net force of 888 Nacted on it. Jill exerted 136 N of forcedue east ona cart. As a direct result, the cart exerted 136 N offorce dueeast upon Jill. A fork exerts a greater gravitationalforceupon Earth than Earth exerts upon it.

b. Which of the following statements are IMPOSSIBLE? Choose allthat apply.
1
A car drove down the highway with aspeed of -80 mph. A trucktraveled a distance of -27mi. A motorcycle slowed down and hadanacceleration of 3 m/s2. A rock wasthrown straight upinto the air. At the peak, its speed was 9.8m/s. 1 km = 100 m Anobjectmoved a total distance of 19 m and had a total displacementof 18m.

c. Which of the following can have the exact same units asLENGTH?Choose all thatapply.
1
energy volume timeimage height momentum distance

d. Which of the following can be measured in OUNCES? Choose allthat apply.
1
work pressure kineticenergy centripetal force free fallaccelerationnet force


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Nelly Stracke
Nelly StrackeLv2
8 Jan 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Which of the following statements are IMPOSSIBLE? Choose all thatapply.

____ The moving motorcycle had 0 J of KE.

____ The truck had 2738 J of KE and 831 kg·m/s of momentum.

____ A ball moving in a circle had 0 N of net force acting onit.

____ A box had an acceleration of 2137 m/s2 while a net force of 0N acted on it.

____ Jill exerted 117 N of force due east on a cart. As a directresult, the cart exerted 117 N of force due west upon Jill.

____A toothpick exerts the same gravitational force upon Jupiterthat Jupiter exerts upon it.

Which of the following statements are impossible? Choose all thatapply.

The moving truck had 0 J of KE.
The scooter had 0 J of KE and 0 kg·m/s of momentum.
A ball moving in a circle had 0 N of net force acting on it.
A box had an acceleration of 6149 m/s2 while a net force of 0 Nacted on it.
Jack exerted 4 N of force due east on a cart. As a direct result,the cart exerted 4 N of force due west upon Jack.
A toothpick exerts a greater gravitational force upon Venus thanVenus exerts upon it.

a.) A hockey puck is observed to be sliding along a flatfrictionless surface at a speed of 4 cm/min. There is no net forceacting on the puck. Assuming it doesn't smash into anything, howfast will the puck be going 17 min later?
cm/min

b.) An object is accelerating. Which one of the followingstatements is true?
The object must be speeding up.
Gravity must be causing the object to accelerate.
The object must be changing directions.
The object must be slowing down.
There is a net force acting on the object.

c.) A 100 kg block weighs 220 lb on Earth. If the block weretransported to a planetary body that had a smaller free fallacceleration (as compared to Earth), which one of the followingwould be true?
The block would have the same weight and a smaller mass.
The block would have the same mass and a bigger weight.
The block would have the same mass and the same weight.
The block would have the same weight and a bigger mass.
The block would have the same mass and a smaller weight.
d.) What does it mean (in physics) to say that a quantity isconserved?
It means that the quantity is not being used.
It means the total amount is zero.
It means the total amount never changes.
It means it's being saved up.

e.) At a certain point in time, the total energy of a closed systemis observed to be 176 J. Which one of the following statements istrue?
Three hours later the energy of the system is 352 J.
Four hours later the energy of the system is 88 J.
All of the energy must be kinetic if the objects are moving.
Twelve hours later the energy of the system is 176 J.
Some of the energy must be potential.

g.) Which of the following statements are impossible? Choose allthat apply.
The parked truck had 8770 J of KE.
The scooter had 0 J of KE and 0 kg·m/s of momentum.
A ball moving in a circle had 0 N of net force acting on it.
A box had an acceleration of 0 m/s2 while a net force of 311 Nacted on it.
Jack exerted 18 N of force due east on a cart. As a direct result,the cart exerted 18 N of force due west upon Jack.
A toothpick exerts a smaller gravitational force upon the Moon thanthe Moon exerts upon it.

a.) Two balls make up a closed system. Ball A has 701 J of energyand ball B has 78 J. After they collide, ball A has 665 J. How muchenergy does ball B have after they collide?
J

b.) An asteroid and a comet collide head on. Prior to thecollision, the asteroid has a momentum of 700,000 kg·m/s up and thecomet has a momentum of 800,000 kg·m/s down. After the collisionthe asteroid has a momentum of 750,000 kg·m/s down. After thecollision, what is the comet's momentum?
kg·m/s
North
South
East
West
Up
Down
Left
Right
No direction because the comet has stopped

c.) How much does a 28 kg object weigh on Moon? Please feel free toreference the Solar System Data table located at the beginning ofUnit II.
______N

d.) A 660 N net force acts on a 42 kg object. Determine theobject's acceleration.
_____m/s2

e.) Calculate the gravitational force between a 657 kg object(resting on Earth) and the Moon. The mass of the Moon is 7.347×1022kg and the distance between the object & the Moon is 3.844×108m.
____N

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