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Energy Conservation
Page 5
Questions (344)
Question 17 (1 point)
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened
1 answer
asked by
lol
87 views
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
1 answer
asked by
Nas guap
23 views
A 235-g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring
1 answer
asked by
marvin
1,120 views
A round body of mass M, radius R, and moment of inertia I= BMR^2 is rolling without slipping. Its kinetic energy can be
1 answer
asked by
Jason
1,049 views
A 50.2 kg child slides down a water slide with a velocity of 1.1 m/sec at the top. At the bottom of the slide, she is moving
1 answer
asked by
Mel
1,032 views
A 7 kilogram bowling ball is dropped from a fourth story window. If each story is 3 meters high, use energy conservation (not
1 answer
asked by
TRACY
1,019 views
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
1 answer
asked by
Jus-A-Viewer
31 views
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
1 answer
asked by
Jus-A-Viewer
33 views
The total amount of energy in the universe never changes, but the availability of each different type of energy to do work can
1 answer
asked anonymously
40 views
A metal ball of mass 2kg is allowed to fall freely from rest from height of 5m. Calculate potential energy it possesses and
3 answers
asked by
Angela
1,000 views
A system is provided 50 J of heat and work done on the system is 10 J. What is the change in internal energy
5 answers
asked by
angel
938 views
What are the living and nonliving factors that contribute to or are affected by energy conservation?
1 answer
asked by
Crystal
911 views
The diagram shows a simple pendulum.Neglecting friction, what happens to the total mechanical energy as the pendulum swings from
6 answers
asked by
Dee
34 views
A sample of steam with a mass of 0.550 g and at a temperature of 100 degrees C condenses into an insulated container holding
3 answers
asked by
Becca
848 views
A 7 kilogram bowling ball is dropped from a fourth story window. If each story is 3 meters high, use energy conservation (not
2 answers
asked by
TRACY
814 views
Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has
1 answer
asked by
ChrismB
825 views
To combat wasteful habits, we often speak of “conserving energy,” by which we mean turning off lights, heating or cooling
1 answer
asked by
Chris
931 views
a yo-yo is swung in a vertical circle in such a way that its total energy KE and PE is constant. At what point in the circle is
1 answer
asked by
tracey
578 views
A 2.00 kg block is pushed against a 400N/m spring, compressing it 22.0 cm. When the block is released, it moves along a
3 answers
asked by
Timo
809 views
I HAVE WRITTEN A MITIGATION PLAN AND WANTED TO KNOW IF SOMEONE WOULD READ IT A GIVE ME FEED BACK AS TO WHAT I CAN CHANGE
Energy
5 answers
asked by
girl
788 views
A ball is dropped from a height of 1.45m and rebounds to a height of 1.21m. Approximately how many rebounds will the ball make
4 answers
asked by
john
790 views
what are some nonliving and/or living factors that contributes to energy conservation?
1 answer
asked by
Anonymous
776 views
A metal can containing condensed mushroom soup has a mass of 269 g, a height of 14.7 cm, and a diameter of 6.79 cm. It is placed
2 answers
asked by
Emily
728 views
Explain how measuring the height of an icy hill and the speed of a sledder at the top and bottom of the hill can be used to
2 answers
asked by
Adi
731 views
An 8.74-kg block slides with an initial speed of 1.52 m/s down a ramp inclined at an angle of 27.0° with the horizontal. The
2 answers
asked by
Jo
721 views
A 0.5kg mass connected to a light spring of constant 20N/M occilates on a frictionless track. Calculate the total energy of the
1 answer
asked by
Charles
708 views
A merry-go-round (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a
9 answers
asked by
AAKa
701 views
Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has
1 answer
asked by
ChrismB
685 views
A 64.1-kg athlete leaps straight up into the air from a trampoline with an initial speed of 7.4 m/s. The goal of this problem is
1 answer
asked by
ann
684 views
A 6 kg mass is attached to a light cord that passes over a massless, frictionless pulley. The other end of the cord is attached
1 answer
asked by
ATT
676 views
An 8.65-kg block slides with an initial speed of 1.52 m/s up a ramp inclined at an angle of 27.6° with the horizontal. The
1 answer
asked by
Jim
661 views
A daredevil attempts to swing from the roof of a 24m high bulding to the bottom of an identical building using a 24m rope. He
5 answers
asked by
Aaron
658 views
A 235-g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring
1 answer
asked by
marvin
619 views
What equations could be included in a problem with law of conservation of energy if there is a spring shooting an object that is
1 answer
asked anonymously
17 views
According to the law of conservation of energy, why does the first hill of a roller coaster have to be the highest?
1 answer
asked anonymously
20 views
An explosion breaks an object into two pieces, one of which has 2 times the mass of the other. If 22500 J were released in the
2 answers
asked by
Anonymous
601 views
Is conservation of mechanical energy likely to hold in this situation? A soccer ball is thrown into the air. (Disregard air
2 answers
asked by
Anonymous
560 views
What is the difference between conserving energy and energy efficiency?
What are 5 benefits of conserving energy?
2 answers
asked by
Anonymous
557 views
To combat wasteful habits, we often speak of “conserving
energy,” by which we mean turning off lights and hot water when they
2 answers
asked by
Anonymous
583 views
A pendulum is made with a bowling ball as the bob and a wire attached to the ceiling, as shown in the illustration below. The
2 answers
asked by
Sue
562 views
Paige and Julia are playing volleyball. Paige is in spiking position when Julia gives her the perfect set. The 0.226-kg
2 answers
asked by
Madi
572 views
A person eats a container of yogurt. The Nutritional Facts label states that it contains 195 Calories (1 Calorie = 4186 J). What
2 answers
asked by
Jenny
559 views
A lead ball, with an initial temperature of 25.0oC, is released from a height of 96.0 m. It does not bounce when it hits a hard
2 answers
asked by
Lindsay
543 views
A small ball with a mass of 30.0 g is loaded into a spring gun, compressing the spring by 13.0 cm. When the trigger is pressed,
3 answers
asked by
Michelle
537 views
Three objects with masses m1 = 7.4 kg, m2 = 11 kg, and m3 = 18 kg, respectively, are attached by strings over frictionless
2 answers
asked by
Dug
542 views
5.The process of desertification can occur when
B.farmers use contour farming techniques C.an area of forest is clear-cut D.an
4 answers
asked by
Leon
556 views
James Joule once attempted to measure the increase in temperature of the water in a waterfall resulting from its decrease in
2 answers
asked by
Alex
537 views
A ball of mass 0.35 kg is fired with velocity 157 m/s into the barrel of a spring gun of mass 1.8 kg initially at rest on a
2 answers
asked by
kevin
515 views
A 7 kilogram bowling ball is dropped from a fourth story window. If each story is 3 meters high, use energy conservation (not
2 answers
asked by
TRACY
510 views
A 60 kg skier leaves the end of a ski-jump ramp with a velocity of 26 m/s directed 23° above the horizontal. Suppose that as a
2 answers
asked by
mary
514 views
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