Questions LLC
Login
or
Sign Up
Ask a New Question
Work and Energy
Page 7
Questions (3,237)
Suppose in the figure blow that +1.00 103 J of work is done by the force F with arrow (magnitude = 30.0 N) in moving the
5 answers
asked by
Anon
2,454 views
A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel
4 answers
asked by
Brandon
4,801 views
A 380- piano slides 3.8 down a 22 incline and is kept from accelerating by a man who is pushing back on it parallel to the
4 answers
asked by
Anonymous
9,671 views
how much work is done if a force of 12N moves an object a distance of 5m
5 answers
asked by
princess
2,880 views
A traveler pulls on a suitcase strap at an angle 36 above the horizontal. If 555 J of work are done by the strap while moving
6 answers
asked by
Anonymous
17,821 views
A 32.0kg crate is initially moving with a velocity that has magnitude 3.92m/s in a direction 37.0 ∘ west of north.How much
5 answers
asked by
Anonymous
4,495 views
A body is displaced through a certain distance X by a force of 30N. If the work done is 100J and the displacement is in the
5 answers
asked by
GBOROGEN
1,352 views
Sally applies a total force of 71 N with a rope
to drag a wooden crate of mass 100 kg across a floor with a constant acceleration
4 answers
asked by
Jacob
2,488 views
A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right
5 answers
asked by
Haley
8,226 views
Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between
4 answers
asked by
Dee
6,935 views
Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.4 m,
5 answers
asked by
Alan
4,054 views
A block is pushed 2m along a fixed horizontal surface by a horizontal force of 2N. The opposing force of friction is 0.4N. How
4 answers
asked by
Queenesther
1,107 views
A man lifts a 21.1 kg bucket from a well and does 3.1 kJ of work. How deep is the well? Assume that the man lifts the bucket at
5 answers
asked by
Julia
4,433 views
Assume the distance axis is linear and da = 10.0m and db = 35.0 m. Estimate the work done by a force F in moving a 2.80 kg
5 answers
asked by
Arianne
3,175 views
A trunk of mass m = 1.100 kg is pushed a distance d = 32.0 cm up an incline with an angle of inclination theta = 26.0 ° by a
4 answers
asked by
Steeve
3,254 views
a magnetic crane left a mass 1500 through a vertical height of 40m.calculate the work done in operating the crane
7 answers
asked by
sasi
3,716 views
A tow truck pulls a car 5.00km along a horizontal roadway using a cable having tension of 850N (a) how much work does the cable
4 answers
asked by
Goyong
5,549 views
A bullet of mass 0.010 kg and speed of 100 m/s is brought to rest in a wooden block after penetrating a distance of 0.10 m. The
7 answers
asked by
mssailormouth
4,188 views
Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm.
(a) How much work
6 answers
asked by
Kaitlyn
12,268 views
Karen has a mass of 52.7 kg as she rides
the up escalator at Woodley Park Station of the Washington D.C. Metro. Karen rode a
4 answers
asked by
Mike
2,830 views
What mechanical work must you do to lift a uniform log that is 3.3m long and has a mass of 100kg from the horizontal to a
4 answers
asked by
help me please
2,032 views
A block of ice of mass 4.10 kg is placed against a horizontal spring that has force constant k = 210 N/m and is compressed a
7 answers
asked by
ami
6,349 views
An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting
5 answers
asked by
Tim
3,763 views
If a 2.0-kilogram mass is raised 0.050 meter vertically, the work done on the mass is approximately
(1) 0.10 J (2) 0.98 J (3) 9.8
7 answers
asked by
Bishketta
4,103 views
A trough is 9 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of
4 answers
asked by
Catherine
8,671 views
A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 150 N. Fp is parallel to
4 answers
asked by
Amy
4,677 views
If a boat and its riders have a mass of 800 kg and the boat drifts in at 1.5 m/s how much work does Sam do to stop it?
5 answers
asked by
sam
3,797 views
Part 1
A 3.0 kg block is pushed 3.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 30.0
5 answers
asked by
ally
4,294 views
A crate of fruit with a mass of 37.5 kg and a specific heat capacity of 3800 J/(kg⋅K) slides 7.60 m down a ramp inclined at an
5 answers
asked by
Physics
5,271 views
Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
2 answers
asked by
Hannah
806 views
A weight lifter lifts a 200 kg barbell from the floor to a position directly over his head 2.5 meters. How much work did he do?
4 answers
asked by
Mason
3,275 views
You are a member of an alpine rescue team and must get a box of supplies, with mass 3.00kg , up an incline of constant slope
4 answers
asked by
HELP
6,899 views
Sau-Lan has a mass of 47 kg. She rides the up escalator at Ocean Park in Hong Kong. This is the world's longest escalator, with
4 answers
asked by
Iklishi
2,701 views
How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.8 L against an external pressure of 1.2 atm ?
Exp
4 answers
asked by
lea
1,405 views
A team of dogs drags a 81.2 kg sled 3.12 km over a horizontal surface at a constant speed.The coefficient of friction between
5 answers
asked by
Maria
2,739 views
The (nonconservative) force propelling a 1.50E3 kg car up a mountain road does 4.70E6 j of work on the car. The car starts from
3 answers
asked by
Matoro
2,205 views
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same
4 answers
asked by
Tim
2,725 views
A person pulls a toboggan for a distance of 34.6 m along the snow with a rope directed 29.3 ° above the snow. The tension in
4 answers
asked by
Rob
1,489 views
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.80 * 10^6 N, one 16 degrees west of north and
4 answers
asked by
anonymous
3,264 views
Find work done when 25kg weight lifted to a vertical height of 2m from the ground carrying to the same place by pushing it up
9 answers
asked by
Samarth
7,934 views
a 55 kg skateboarder starts out with a speed of 1.8 m/s. he does +80 J of work on himself by pushing with his feet against the
4 answers
asked by
Justin
3,164 views
The efficiency of a machine is 60℅,find In joules the work done by a student using the machine to rise a load of 150kg through
7 answers
asked by
Lawrence
4,643 views
A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a maximum height of 7.02 m .
Part A How much
4 answers
asked by
Jamie
2,559 views
6 J of work is needed to push an object of mass 2 kg from point A to point B of the frictionless inclined plane. If the angle of
4 answers
asked by
Anonymous
2,920 views
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 95.0 kg, down a θ = 50.0° slope at constant
4 answers
asked by
Karina
7,054 views
Starting from rest, a 4-kg block slides 10 m down a frictionless 30 degree incline. Determine the work done on the block by
a)
5 answers
asked by
Rachel
3,661 views
A horizontal force with a magnitude of 3.0 newtons applied to a 7.0 kilogram mass moves the mass horizontally a distance of 2.0
5 answers
asked by
Carlos
4,183 views
The force shown in Figure 7-17 moves an object from x = 0 to x = 75 m, where the interval between vertical dashed lines is 25 m.
4 answers
asked by
Teya
1,992 views
A uniform chain 10m long and weighing 6 kg permetre hangs vertically.calculate the work required to wind it up..
Plzz solve it
4 answers
asked by
arya
1,672 views
A mover pushes a 60 lb box 30 ft along a level floor at constant speed with a force directed 45 degrees below the horizontal. If
4 answers
asked by
Emma
1,271 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (58)
Atomic Structure
Chemical Reactions
Circular motion
Classical mechanics
Dynamics
Electric charge
Electric Charges and Fields
Electric Circuits
Electric Fields
Electric Fields and Potential
Electric Fields and Potentials
Electric Forces
Electric Potential
Electrical Circuits
Electricity
Electricity and Magnetism
Electromagnetism
Electrostatics
Energy
Fluid Mechanics
Force
Force and Motion
Forces
Forces and Motion
Forces and Springs
Gravitation
Hiking and Backpacking
Kinematics
Kinetics
Laws of physics
Mechanical Energy/Energy
Mechanical Engineering
Mechanical Forces
Mechanics
Mechanics and Machines
Mechanics and Motion
Mechanics or Dynamics
Mechanics or Energy
Mechanics, Sub-sub-category: Work and Energy
Mechanics/Dynamics
Mechanics/Energy
Motion and Forces
Newton's Laws of Motion
Newtonian Mechanics
Physical Science
Physics
Physics and Engineering
Physics-related problems
Physics-related Questions
Physics/Math
Power
Rotational motion
Science and Physics
Science or Physics (as the text is related to scientific principles)
Springs
Springs and Elasticity
Thermodynamics
Units of Measurement