How much work is done by gravity when dead lifting a 100.0 kg barbell 64.11 cm from the floor to hip level [round your final answer to zero decimal places]?

Q: If it takes 4.00 J of work to stretch a Hooke's-law spring 5.0 cm from its unstressed length,…

A: The work done is given by  W = 12Kx2 where,  K is the spring constant and x is the stretch length.

Q: need asap pls A 5.0 kg experiences an applied force of (3i + 7j) N as it slides across a horizontal…

A: Given: Applied force, F=3i + 7j N Displacement across a horizontal surface, d=7.0 m   To determine…

Q: how much more work will be required to stretch it an additional 4.0 cm?

A:

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 6.0m ?

A: Mass, m = 175 kg Distance moved  by object, d = 6 m

Q: How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor…

A: Since the crate is moving acceleration, the pusher must do a work to overcome the frictional force.…

Q: how much work did the movers do (horizontally) pushing a 46 kg crate 11.9 m across a smooth floor…

A:

Q: Why do we say that the work done by coolie carrying a suitcase along a horizontal road is zero?

A: When a coolie lifts the luggage, he applies the force in the upward direction, which is against…

Q: Does the work you do on a book when you lift it onto a shelf depend on the path taken? On the time…

A: Work done

Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 92.78 cm from the floor to hip…

A: Dear student The work done is defined as force × displacement in the direction of force. W = F S…

Q: A particle of mass 6 kg is constrained to move along the trajectory y(x) = -8 x2 + 49 (m).  If the…

A:

Q: An apple weighing 1 N falls throughas a distance of 1 m. How much work is done on the apple by the…

A: weight of apple(W)= 1N Distance(d)=1m Work done=F.d=Fdcosθ F is force θ is angle between force and…

Q: A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 196 N in a…

A:

Q: How much work is done by a 59 kg ninja watrior in climbing a ladder that is 9 meters long? Express…

A: Mass of ninja warrior (m) = 59 kg  Length of ladder (L) = 9 m

Q: A bag of wheat weight 330 kg .To what height should it be raised so that potential energy is 7800J?…

A: Given data:  Mass (m) = 330 kg Potential Energy (PE) = 7800 J g = 9.8 m/s2 Required: Height (h)

Q: how much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A: The expression for the required work done is,

Q: A mouse of mass 30.0 g falls 130 m down a vertical mine shaft and lands at the bottom with a speed…

A:

Q: A spring has a natural length of 16 cm. If a 25-N force is required to keep it stretched to a length…

A:

Q: A constant force of 55.9 N, directed at 28.7° from horizontal, pulls a mass of 15.3 kg horizontally…

A: The work done in the direction of motion is, W=Fcosθd

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A: The free body diagram of the box is given below.

Q: Suppose you drag a box 8.0 m across a horizontal floor, exerting a force of 90. N at 35 degrees…

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Q: what rate of work is developed by a 50.0 kg jogger who runs around a 1.00 km track three times in…

A:

Q: How much work did the movers do (horizontally) pushing a 43.0-kg crate 10.3 m across a rough floor…

A: Given data:Mass of the crate, M = 43.0 kgDistance moved, d = 10.3 mCoefficient of friction = 0.50

Q: Calculate the total work done on a 1550-kg car as it coasts 20.4 m down a hill with f = 5.00°. Let…

A: Let m be the mas of the car, s is the distance traveled down the hill, and θ is the inclination…

Q: A 5.7 kg box is pushed sideways with a force whose magnitude is 191 N.  When the box has slid 0.5 m,…

A: Mass of the box,  Magnitude of the force,  Displacement of the box,    The work done by the push is…

Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…

A: Given data: The applied force is F=195 N. The distance moved is s=4 m.

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: Calculate the work needed to lift a 20 kg sack of rice vertically at 6-5 m ?

A:

Q: If it requires 9.0 JJ of work to stretch a particular spring by 2.0 cmcm from its equilibrium…

A: Write the expression for the work done by the spring.

Q: If you walk 5.0 m horizontally forward at a constant velocity carrying a 10-N object, the amount of…

A: The amount of work by you is Zero.

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A:

Q: Can positive work and negative work be done on an object at the same time?

A:

Q: A record was set for stair climbing when a man ran up the 2300 steps of the Empire State Building in…

A: Average power output is,

Q: How can we ignore the self-potential energy when doing a work-energy problem or an…

A:

Q: If 2.0 J of work is done in raising a 0.180 kg apple, how far is it lifted? (Remember: F = mg)

A: Given  Work done W=2J Mass of apple m=0.18kJ

Q: A 3.1kg ball was dropped from an unknown heigh to the ground, find the work done by the gravity…

A:

Q: How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and…

A: Using the conservation of energy, the kinetic energy of the car at the lowest point equals the…

Q: • A 1300-kg elevator is lifted at a constant speed of 1.3 m>s througha height of 22 m. How much…

A:

Q: How much work is performed in steadily dragging a sled 20 m horizontally when the force of 80 N is…

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Q: a weight lifter holds a 50kg weight a distance of 3m above the ground for 30 seconds.How much work…

A: Weight lifter makes an angle 900(perpendicular) with gravity, Work done (W) = Fd cos900…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m…

A: Force, F=5 N magnitude of displacement, d=0.6 m Angle between the force and displacement, θ=0° Work…

Q: Calculate the work done in pushing a 40 kg crate 12 m across a level floor if the cofficent of…

A: Mass, m=40 kg Distance to be pushed, d=12 m Coefficient of friction = 0.4

Q: A force of F = 161 N pulls a mass of 15 kg a distance of x = 5.7 m, as shown. How much work is done…

A: Given,            force (f) =161N            distance (d) = 5.7 m

Q: If force and distance traveled are tripled, how does that affect work? Is it also tripled or 1/3?:(

A: We know that work depends on force and distance travelled in the direction of force i.e W = F× D…

Q: Why does one get tired when pushing against a stationary wall when no work is done on the wall?

A: Work done can be calculated as the product of the displacement and the force applied.