Questions Answered

LeAnn.Clifford:
Group Title
A lemon with mass 0.3 kg falls out of a tree from a height of 1.8 m. How much mechanical energy does the lemon have just before it hits the …
 updated 9 months ago
 3 replies
 2 Medals

margiepargie:
Group Title
A temperature of 13° C is equal to _____.
 updated one year ago
 3 replies
 No Medals Yet

milkitup:
Group Title
which of the follwing has potentional but not kinetic energy
 updated one year ago
 1 reply
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graceface:
Group Title
A powerful missile reaches a speed of 5 kilometers per second in 10 seconds after its launch. What is the average acceleration of the missil…
 updated one year ago
 5 replies
 1 Medal

graceface:
Group Title
Can someone give me the answer?
I can't get this wrong!
…
 updated one year ago
 10 replies
 1 Medal

ms.yasmin22:
Group Title
The density of ice is 0.92g/cm3nd power. An ice sculptor orders a 1.0m3nd power block of ice. what is the mass of the block?
Hint: 1m3=1,0…
 updated one year ago
 2 replies
 No Medals Yet

jsjones:
Group Title
Values that indicate the precision of a measurement are
 updated one year ago
 1 reply
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HannHump:
Group Title
You travel 20.0 mph for 0.500 hour, 40.0 mph for 1.00 hour, 30.0 mph for 0.500 hour, and 50.0 mph for 2.00 hours. What is the average speed?
 updated one year ago
 1 reply
 No Medals Yet

mariette02:
Group Title
Body functions change with the release of additional adrenaline. Choose the changes that occur.
senses become more alert
…
 updated one year ago
 3 replies
 1 Medal

svdh3:
Group Title
During an auto accident, the vehicle's air bags deploy and slow down the passengers more gently than if they had hit the windshield or steer…
 updated one year ago
 27 replies
 1 Medal

Jazzy21037:
Group Title
rectangular box A has a greater volume than rectangular box B but the length of box A is less than the length of box B. How is this possibl…
 updated one year ago
 1 reply
 No Medals Yet

Mendoza19:
Group Title
If you wanted to detect x rays coming from the sun, where would you place the detector? Why?
…
 updated one year ago
 2 replies
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QueenB33:
Group Title
The radius of the planet Mercury is 2.44 106 m, and its mass is 3.30 1023 kg.
 updated one year ago
 1 reply
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stellaluna1024:
Group Title
Which amount of power is the smallest?
A 1 gigawatt
B 2 kilowatts
…
 updated one year ago
 1 reply
 1 Medal

yallianise:
Group Title
average speed and instantaneous compare and contrast
 updated one year ago
 1 reply
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svdh3:
Group Title
A jet fighter pilot wishes to accelerate from rest at 5 g to reach Mach3 (three times the speed of sound) as quickly as possible. Experimen…
 updated one year ago
 2 replies
 1 Medal

svdh3:
Group Title
A car driving on the turnpike accelerates uniformly from 98.0ft/s (66.8mph ) to 125ft/s (85.2mph ) in 3.70s. The acceleration of the car is …
 updated one year ago
 2 replies
 No Medals Yet

madaboobear137:
Group Title
the steadyflow of electrons through a conductor
 updated one year ago
 2 replies
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helpme1212:
Group Title
the alignment of atoms where the north poles face one way and the south poles face the opposite way is also known as witch of the following…
 updated one year ago
 1 reply
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AngelCriner:
Group Title
What is the period of a sound wave whose wavelength is 20.0 m? Show your work.
 updated one year ago
 5 replies
 2 Medals

Fosterthepeople:
Group Title
Which of the following measurement systems uses a base 10 system?
 updated one year ago
 1 reply
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aysian97:
Group Title
A small fish is dropped by a pelican that is rising steadily at 0.50 m/s. How far below the pelican is the fish after 2.5 s?
A) 61 m
B) 29…
 updated one year ago
 5 replies
 1 Medal

megannicole51:
Group Title
Explain some observation you can make that shows that electromagnetic waves can likely travel through a vacuum?
 updated one year ago
 4 replies
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stunna123:
Group Title
a car is moving at a velocity of 20m\s. how long will it take to travel 1km
 updated one year ago
 3 replies
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nelly_416:
Group Title
A fast baserunner can get from first to second base in 3.46 s. If he leaves first base as the pitcher throws a 90 mi/h fastball the 68ft d…
 updated one year ago
 5 replies
 2 Medals

peekaboopork:
Group Title
Estimate the number of minutes in a human lifetime.
 updated one year ago
 5 replies
 1 Medal

meganshoe:
Group Title
can i distribute the power to each variable in (x^2 +y^2 +z^2)^(3/2)
 updated one year ago
 2 replies
 1 Medal

M_Frazier:
Group Title
A map suggests that Atlanta is 731 mi in a direction of 5.10° north of east from Dallas. The same map shows that Chicago is 562 miles in a d…
 updated one year ago
 1 reply
 No Medals Yet

carolhdz:
Group Title
A bus travels 2800m south along a straight path with an avg. velocity of 24m/s to the south. The bus stops for 24 min., then it travels2100 …
 updated one year ago
 2 replies
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KingCartagena:
Group Title
An engineer in a locomotive sees a car stuck
on the track at a railroad crossing in front of
the train. When the engineer first sees the
…
 updated one year ago
 3 replies
 No Medals Yet
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