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Energy
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Questions (6,744)
Which statement about energy is correct?(1 point)
Responses Energy can be changed from one form to another. Energy can be changed
1 answer
asked anonymously
42 views
What is the best description of thermal energy?(1 point) Responses
Thermal energy is a type of kinetic energy. Thermal energy is
1 answer
asked by
.
64 views
which of the following is the best example of transforming electromagnetic energy into thermal energy?
A.when trees absorb
17 answers
asked by
taylor
6,676 views
What is the decrease in elevation of a 4-kg body whose kinetic energy increases from 20 J to 100 J as a result of moving
4 answers
asked by
Janine
1,272 views
a television set of 80 watt is used for 8 hours per day for,30 days calculate the quality of the power consume by the television
5 answers
asked by
Favour
1,001 views
An object has a gravitational potential energy of 24 joules when it rests on a shelf 3 m above the ground. What would be its
4 answers
asked by
roxy
4,976 views
At the top of a frictionless inclined plane, a .50 kilogram block of ice possesses 6.0 joules of gravitational potential energy
5 answers
asked by
Gonzalez
3,481 views
A block of weight 3.8N is launched up a 30 degree inclined plane of length 2.25m by a spring with spring constant 2.35kN/m and
4 answers
asked by
Harold
4,074 views
A 12.0-g bullet is fired into a 1 100-g block of wood which is suspended as a ballistic pendulum. The combined mass swings up to
5 answers
asked by
BIANCA
1,503 views
If a monkey drops a banana off of a cliff, where are the potential and kinetic energies of the banana equal.(1 point) Responses
h
3 answers
asked by
yellow❁sunny
277 views
A 120-MT concrete beam is lifted from the floor by two tandem heavy lift cranes up to a target height of 7.5 meters.
Calculate
2 answers
asked anonymously
77 views
What is the relationship between a substance's thermal energy and its kinetic energy? (1 point)
A) As the substance's thermal
1 answer
asked anonymously
88 views
Fossil Fuels and Humans Quiz 9 of 99 of 9 Items Question Which of the following example shows the influence natural gas has had
1 answer
asked anonymously
26 views
Which of the following statements provides evidence of how petroleum has influenced human activity?
A. The availability of
1 answer
asked anonymously
27 views
Which of the following would be a benefit of solar energy?(1 point) Responses Solar energy costs more to set up in a home than
1 answer
asked by
Cupcake
22 views
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
40 answers
asked by
meli
527 views
1. A 15 kg boy falls out of his bed at a height of 0.50 m. What is the amount of gravitational potential energy lost by the boy?
5 answers
asked by
Liz
4,425 views
Ellen drops a ball from a cliff. Which statement best describes the ball's energy as it falls from her hand?
2 answers
asked by
no name
127 views
The sun's energy is generated in its(1 point)
core. corona. radiative zone. convection zone. I heard the suns energy comes from
7 answers
asked by
Andromeda
4,318 views
Energy Conservation Quick Check
1.Is freezing an endothermic or exothermic process? How do you know?(1 point) Freezing is
20 answers
asked by
Olivia Chambers
4,692 views
A boy of Mass 20kg stands on a building floor 12m above the ground level. Calculate his potential energy.
7 answers
asked by
Lawal
879 views
Which example demonstrates kinetic energy?
A: a wave crashing on the shore B: stretched out rubber band C: car parked in the
9 answers
asked by
Bonnilu
1,952 views
Explain why the potential energy increases when ice starts to melt and becomes liquid water.
My answer is, While the ice melts
4 answers
asked by
help
1,383 views
Which of the following describes the use of a renewable energy source?
A. using natural gas to heat a house B. using a windmill
4 answers
asked by
sTudent
4,293 views
Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters.
(E = hν, h = 6.63 × 10-34 J.sec; speed of
5 answers
asked by
Destany
5,130 views
A frictionless pendulum of length 3 m swings
with an amplitude of 10◦. At its maximum displacement, the potential energy of the
5 answers
asked by
Anonymous
10,976 views
Aforce Of 4oN Is Used To Stretch Aspring Which Has Aspring Constant 350 N/m.How Much Energy Is Stored In The Spring?
7 answers
asked by
Exasu Amanuel
665 views
PLS HELP WITH A
Alternative Energy Sources Quick Check
11 answers
asked by
astral
1,307 views
What is the best description of thermal energy?(1 point)
Responses Thermal energy is kinetic energy. Thermal energy is kinetic
3 answers
asked by
no name
337 views
What is a major drawback of nuclear energy?(1 point)
Responses A. depletes clean water supplies B. creates radioactive waste C.
3 answers
asked by
cunexus child
355 views
Assuming 100% of your energy can be converted to electrical power, and electricity costs $0.10 for 1 kilowatt-hour, how high
4 answers
asked by
Amber
2,659 views
A city gets its electricity from a dam where water is stored in a reservoir. How does the water provide the city with its power?
1 answer
asked anonymously
117 views
A circuit in a home provides power to a light fixture. The homeowners want to use a compact fluorescent bulb instead of an
1 answer
asked by
Lady
62 views
What is the best description of thermal energy?(1 point)
Responses Thermal energy is a type of potential energy. Thermal energy
1 answer
asked anonymously
58 views
How is a joule defined?(1 point)
Responses It is the force needed to make an object with a mass of 1 kilogram accelerate by 1
7 answers
asked anonymously
84 views
Which search term would be
the most effective if you were researching whether solar panels are feasible for residential use? (1
13 answers
asked by
Your Mom
234 views
How can a stationary metal sphere have kinetic energy, the energy of motion?(1 point)
Responses The metal is made of atoms, which
1 answer
asked by
aaagtuygy
32 views
Electrical energy properties quick check
1 answer
asked anonymously
39 views
Why is solar energy a viable alternative energy resource?(1 point)
Responses It comes from organic plant materials. It comes from
1 answer
asked anonymously
41 views
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime
1 answer
asked anonymously
43 views
Using the passage above, answer the following question: Why might the US military be interested in making a vehicle fuel from
1 answer
asked by
i am the one to ask the questions
21 views
What is a major drawback of nuclear energy
1 answer
asked anonymously
36 views
Energy from the Wind
Li Yung 1Every year, more people are looking to get energy from the wind. Wind is a clean, renewable source
1 answer
asked anonymously
16 views
Which energy cost would apply to Edwin but not to eleanor
1 answer
asked anonymously
11 views
Ocean waves are a source of energy in 1-2 sentences, make and justify a claim about whether ocean waves are a renewable or
1 answer
asked anonymously
10 views
1. Which of the following energy transformations best describes the operation of a solar powered battery charger?
(a) electrical
5 answers
asked by
Jessica
2,959 views
The Millennium Force is the highest roller coaster in North America. It reached a maximum height to 94.5 m. The total mass of
4 answers
asked by
alisha
1,872 views
Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine
7 answers
asked by
Steve
7,309 views
Calculate the energy in kJ/mol of light with a wavelength of 360 nm.
9.17 * 10^-43 J/mol Oxygen gas at 34.5 °C expands from 34.5
4 answers
asked by
plz chk my answers for Chemistry
3,545 views
A diagram is drawn showing a swing set with a swing pulled backward prior to release. The diagram shows how the swing will move
1 answer
asked by
kali
120 views
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