Questions LLC
Login
or
Sign Up
Ask a New Question
Conservation of Energy
Page 3
Questions (267)
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
3 answers
asked anonymously
26 views
Which conclusion can be made from the model? (1 point) Responses The velocity stays the same over time. The velocity stays the
3 answers
asked by
mar
43 views
Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a
2 answers
asked by
Anonymous
1,051 views
PLEASE SEE ADDITIONAL QUESTION AT BOTTOM.
A pendulum was set up and measurements were made to enable the mechanical energy to be
1 answer
asked by
Sarah
498 views
PLEASE SEE ADDITIONAL QUESTION AT BOTTOM.
A pendulum was set up and measurements were made to enable the mechanical energy to be
3 answers
asked by
Sarah
555 views
PLEASE SEE ADDITIONAL QUESTION AT BOTTOM.
A pendulum was set up and measurements were made to enable the mechanical energy to be
3 answers
asked by
Sarah
595 views
CONSERVATION OF ENERGY
A 2kg object is tossed upward with a kinetic energy of 220 J. How high does the object travel?
3 answers
asked anonymously
11 views
An object falls to the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the law
3 answers
asked anonymously
59 views
Use the same computer simulation.
As the skateboarder moves up and down the ramp, the total energy remains the same as it is
3 answers
asked anonymously
31 views
A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1
3 answers
asked anonymously
143 views
Thank you, Bob. If the system does work on the external world, the energy of the system remains the same. Is this true or false?
1 answer
asked by
Pat
370 views
when it comes to chunks being ejected the masses are and velocities are 5kg(1737m/s), 10kg (184.3m/s), 100kg (1994m/s), 1000kg
1 answer
asked by
Tracy
529 views
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
1 answer
asked by
bryan arnett
31 views
The diagram shows a simple pendulum. Neglecting friction, what happens to the total mechanical energy as the pendulum swings
4 answers
asked by
Dexter
36 views
A thin rod, of length L and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m
3 answers
asked by
Technoboi11
2,273 views
The picture below shows a cart as it rolls down a hill. This picture is an example of which scientific law?
Captionless Image
4 answers
asked by
bryan arnett
95 views
here is my question: A bullet with a mass of 6.00 g is fired through a 1.25 kg block of wood on a frictionless surface. The
4 answers
asked by
physics
1,850 views
How would I answer number 3?
1. A sumo wrestler originally jumps 10 cm above a trampoline but has the same total energy of a
4 answers
asked by
Liz
1,815 views
Question Details:
A crate of mass1 on a frictionless inclined plane is attached to another crate, mass2 by a massless rope. The
4 answers
asked by
JP
1,742 views
A yo-yo is made of two solid cylindrical disks, each of mass 0.053 kg and diameter 0.073 m, joined by a (concentric) thin solid
4 answers
asked by
Sasha
1,613 views
A 0.20kg ball is thrown straight up from the edge of a 30.0m tall building at a velocity of 22.0m/s. The
ball moves up to the
1 answer
asked anonymously
38 views
An object falls throw the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
asked anonymously
37 views
An object falls throw the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
asked anonymously
47 views
Energy can exist in various forms. One form of energy is what energy, which is the stored energy an object possesses due to its
1 answer
asked by
JL
56 views
Real world trampolines lose energy since they are damped springs with much internal friction. How much energy does the sumo
3 answers
asked by
Charlotte
1,386 views
A 53.0 kg boy and his 41.0 kg sister, both wearing roller blades face each other at rest. The girl pushes the boy hard, sending
3 answers
asked by
Mathieu
1,385 views
The law of conservation of energy states that energy can neither be created nor destroyed. In many instances it may look as
2 answers
asked by
Steven
1,350 views
True or False: If a cannon fires a cannonball in an easterly direction, the tendency of the cannon to move to the west is a
4 answers
asked by
David
1,266 views
True or False. When non-conservative forces are present, the amount of work done increases with the length of the path.
4 answers
asked by
Anonymous
1,262 views
A 40 kg child sits in a swing suspended with 2.5 m long ropes. The swing is held aside so that the ropes make an angle of 15
1 answer
asked by
Anonymous
1,242 views
A 60 kg skier with an initial speed of 12 m/s coasts up a 2.5 m high rise that makes a 35 degree angle with the horizontal. If
3 answers
asked by
Me
1,235 views
Analyzing Roller Coaster Performance
Using Conservation of Mechanical Energy At the beginning of a roller coaster ride, the car
2 answers
asked by
Angie
1,172 views
Conservation of mechanical energy quick check
1 answer
asked anonymously
54 views
A 50- kg child sits in a swing suspended with 3.8- m-long ropes. The swing is held aside so that the ropes make an angle of 48 o
1 answer
asked by
Hunter
1,009 views
How much would the rope stretch to break the climber's fall if he free falls 2m before the rope runs out of slack?
2 answers
asked by
cris
991 views
The diagram shows a simple pendulum. Neglecting friction, what happens to the total mechanical energy as the pendulum swings
1 answer
asked by
Jus-A-Viewer
30 views
Water flows over the edge of a waterfall at a rate of 1.2 x 106 kg/s. There are 50.0 m between the top and bottom of the
2 answers
asked by
Anonymous
919 views
A block is released from the top of a frictionless incline plane as pictured above. If the total distance travelled by the block
3 answers
asked by
Donna
885 views
A body of mass 100.0g is attached to a hanging spring whose force constant is 10.0 kN/m. The body is lifted until the spring is
1 answer
asked by
Maggie
887 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
asked anonymously
102 views
A 15.0 gram bullet with a speed of v is fired into a 400 gram block of wood that is initially at rest on a surface. The
1 answer
asked by
Claire
882 views
How much would the rope stretch to break the climber's fall if he free falls 2m before the rope runs out of slack?
1 answer
asked by
cris
849 views
A new roller coaster is a conservative system. If the coaster leaves the starting point with a speed of 5 m/s and a height of 25
2 answers
asked by
Ciara
835 views
1. A hollow sphere and a solid sphere roll without slipping down two different ramps. They start at different heights. The speed
2 answers
asked by
Joelle
850 views
At what speed would a 50kg person have to run to have the same kinetic energy as a 1000kg auto traveling at 100 km/h?
Help ASAP
3 answers
asked by
Anonymous
817 views
The driver of a 1024 kg truck traveling 32.6 m/s North on I-77 has to make a sudden stop. If it requires a distance of 57.1 m
2 answers
asked by
Cory
823 views
The momentum of a tennis ball and football is the same.Do they have the same kinetic energy? Justify your answer
2 answers
asked by
Angelina
795 views
Using the data from Step #3 and the velocity found above, compare the gravitational potential energy of the ball at the top of
2 answers
asked by
grey
773 views
An electron and a positron each have a mass of 9.11*10^-31 kg. They collide and both vanish, with only electromagnetic radiation
2 answers
asked by
rick
758 views
1. A student lifts his 2.0-kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of
1 answer
asked by
Hershey
711 views
Pages
1
2
3
4
5
6
Parent Categories (26)
Chemistry
Classical mechanics
Collisions
Dynamics
Energy
Energy and Motion
Energy and Work
Energy Transfer
Forces and Motion
Forms of energy
Kinematics
Kinetic Energy
Laws of Energy
Laws of motion
Laws of physics
Laws of Thermodynamics
Mechanical energy
Mechanics
Motion
Particle Physics
Pendulum
Physical Science
Physics
Thermodynamics
Work and Energy
Work, Power, and Energy