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Energy and Motion
Page 2
Questions (181)
A 0.5 kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 5.0 N for a distance of 4.0
2 answers
asked by
Bia
989 views
When does a bikes, energy increase?
3 answers
asked by
Doggie
15 views
A 10.0g bullet is fired with a speed of 500m/s into a pendulum block of mass 5.00kg, suspended from a cord 0.600m long.
3 answers
asked by
Xolani Rudolph Ngovene
873 views
You release a ball from rest attached to a string as shown in Figure A. The ball swings freely, and at the bottom of its
2 answers
asked by
juanpro
954 views
Just before the ball hits the ground, how are its speed and kinetic energy related?(1 point)
Responses Speed is at its highest
3 answers
asked anonymously
94 views
A ball rolls down a hill which has a vertical height of 15m .ignoring friction, what would be the (A)gravitation potential
4 answers
asked by
Lesedi
1,267 views
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this
3 answers
asked by
chelsea
762 views
Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical.
(a) What is his speed at the
4 answers
asked by
Kelsey
739 views
what is the stretch of a spring in millimeters?
3 answers
asked by
n
22 views
What is happening to total energy as the ball is falling?(1 point)
Responses Total energy is decreasing. Total energy is
3 answers
asked by
DABABY
51 views
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic
2 answers
asked by
Kevin
539 views
A basketball drops from a height of 76 in. On bounce 1, it rebounds to a height of 38 in. On bounce 2, it rebounds to a height
4 answers
asked by
Layla
788 views
A ball bounces to 45 percent of its original height.
What fraction of its mechanical energy is lost each time it bounces? What is
2 answers
asked by
Amber
586 views
After the basketball hits the ground, it starts rolling across the ground in front of the wall. What kind of energy does it have
3 answers
asked by
Jo
16 views
Joe and Suezann are pushing a cart containing sports equipment along one side of their gym in section 8 car to speeding up and
3 answers
asked by
Jo
34 views
A log is floating in place in a pond. A large stone is dropped in the pond which creates waves. The waves move across the pond
3 answers
asked anonymously
145 views
Calculate the total energy of 2.0 kg object moving horizontally at 10 m/sec 50 meters above the surface.
2 answers
asked by
Nallely
1,057 views
This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?If I
1 answer
asked by
Joey
658 views
A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the
2 answers
asked by
penny
1,005 views
a mass m= 10kg is hanging from the end of a spring. intially the spring is unstretched when the mass is pushed perfectly
1 answer
asked by
Big Rich
423 views
Which of the following factors affect the kinetic energy of an object?*1 pointColor and shapeTemperature and volumeMass and
3 answers
asked anonymously
94 views
Question 1 (1 point)
The picture shows the pinwheel that Stephen has in his backyard. Sometimes Stephen will see his pinwheel
3 answers
asked anonymously
35 views
An object is raised ad the allowed to fall. As it hits the gorund it stops and produces a sound. May u tell me al of the
1 answer
asked by
DE3StiNY
243 views
Does kinetic energy stay the same even if the mass is different
3 answers
asked anonymously
12 views
How high could a .5kg basketball be launched by a spring, if the spring is compressed by 0.2m and has a constant of 200N/m?
How
1 answer
asked by
Hannah
372 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
1 answer
asked by
Technoboi11
1,234 views
Grade 11 phyiscs
Assume the toy car with mass 150 g starts at rest and there is no friction. Calculate The Total Mechanical
3 answers
asked anonymously
42 views
Assume the toy car with mass 150 g starts at rest and there is no friction.
Calculate The Total Mechanical Energy, Kinetic
9 answers
asked anonymously
42 views
A spreadsheet application is used to create a computational model of the energy experienced by a pendulum. How do the energy
1 answer
asked anonymously
53 views
Assume the toy car with mass 150 g starts at rest and there is no friction.
Calculate The Total Mechanical Energy, Kinetic
4 answers
asked anonymously
31 views
During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the
15 answers
asked by
Connie
2,909 views
A 5kg ball is dropped from a height of 10m
a) find the initial potential energy of the ball B. Find the kinetic energy of the
5 answers
asked by
Tejika Bajaj
2,231 views
a car gets 40 kilometers per gallon of gasoline.how many gallons of gasoline would the car need to travel 180 kilometers?
7 answers
asked by
esha
2,049 views
A rubber ball rebounds 3/5 of the height from which it falls. If it is initially dropped from a height of 30 ft. What total
7 answers
asked by
PDF
1,984 views
Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy
4 answers
asked by
Type Unknown
1,596 views
A bowling ball encounters a 0.76 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional
3 answers
asked by
Kyle
1,579 views
A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it
7 answers
asked by
teal
1,598 views
The amount of gasoline remaining in the tank decreases with mileage driven. Identify the independent and dependent quantity in
1 answer
asked by
I’m yo homie
44 views
Which factors does an object’s potential energy depend on?(1 point)
Responses the object’s mass and height the object’s
1 answer
asked by
h
62 views
Play the simulation. Describe where the Blue Item is when it has reached its highest kinetic energy and what happens to the
1 answer
asked by
lol
44 views
A 222 kg weather rocket reaches its maximum height 32 km above the Earth's surface. Determine:
A.) The amount of gravitational
1 answer
asked anonymously
24 views
a ball is dropped from a height of 5m assuming that on each bounce the ball return to 60percent of its height attained
4 answers
asked by
rahul
1,361 views
Two balls are connected by a string that stretches over a massless, frictionless pulley. Ball 1 has a mass of 0.45 kg and is
2 answers
asked by
jason
1,175 views
A roller coaster is at the top of a 54 meter hill. The car and it’s passengers have a total mass of 1063
1 answer
asked anonymously
40 views
A 2000kg car begins from rest and rolls 50.0m down a frictionless 10 degrees incline. If there is a horizontal spring at the end
3 answers
asked by
Joshua
1,113 views
A proton has an initial speed of 3.9×105 m/s.
What potential difference is required to bring the proton to rest? What potential
1 answer
asked by
DAVE
1,123 views
A solid sphere of mass 0.604 kg rolls without slipping along a horizontal surface with a translational speed of 5.25 m/s. It
2 answers
asked by
Camille
1,083 views
Calculate the total energy of 2.0 kg object moving horizontally at 10 m/s 50meters above the surface.
2 answers
asked by
Anonymous
1,085 views
You throw a softball (of mass 300 g) straight
up into the air. It reaches a maximum altitude of 10.1 m and then returns to you.
2 answers
asked by
ryan
978 views
A golf ball, dropped from 2 meters above a floor, rebounds to a height of 1.6 meters. What percentage of its energy of motion is
1 answer
asked by
Sandy
942 views
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Parent Categories (9)
Classical mechanics
Kinematics
Kinetic Energy
Kinetics
Mechanics
Mechanisms
Physical Science
Physics
Science and Physics