A leaky bucket, which weighs 5 N empty and initially has 40 N worth of water in it, is lifted into the air by a rope which weighs .5 N/m at a constant speed of one meter per second. If the bucket is leaking water at a rate of 2 N per second, how much work is performed by pulling the bucket up 10 meters?

Q: A father is pulling his  son on a sledge with a 120 N force at an angle of 45 degrees with the…

A: Given Amount of force is F=120 N Angle  is θ=45 degrees with the horizontal Work done is W=400 J

Q: A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 5.30 cm. (a) Use work and…

A: a)Write the mathematical expression for work energy theorem.

Q: A toy rocket weighing 3 kg holds 4 kg of compressed water as fuel. As the rocket rises it loses…

A: The mass of toy rocket is M=3 kg. The mass of water fuel is m=4 kg. The height at which rocket runs…

Q: a 600 N person runs up a flight of 20 stairs of riser (height) of 20 cm during a 15 second period,…

A:

Q: A car hits a pile of dirt and is stopped in 1.43 m. The work done on the car by the sand is 6.0 x…

A:

Q: A dam collects water at a height of 300 m. The water can be let down through a pipe. As it falls to…

A:

Q: A 15 kg box is being pushed 4.0 m along a rough horizontal surface at a constant velocity by a…

A: Given: The mass of the box: m=15 kg Distance moved: D=4.0 m Applied force: Force: F=25 N

Q: A hockey puck of mass 0.25 kg is sliding along a slippery lake with an initial speed of 60 m/s. the…

A: Given that Mass m = 0.25 kg Initial speed u = 60 m/s Coefficient of friction μ = 0.030 Final speed V…

Q: Your job is to lift 30-kg crates a vertical distance of 0.90 m from the ground onto the bed of a…

A:

Q: You are curious about how the human heart is able to pump blood up to the brain while standing up,…

A: We are given mass of blood which is pumped to brain each heart beat. We are also given the height…

Q: A 130 kg crate slides down a ramp, starting from rest. The ramp is inclined at an angle of 27.8…

A: Given : Mass of crate = 130 kg             Angle  = 27∘             Coefficient of kinetic friction…

Q: A toy rocket weighing 3 lbs holds 1 lb of compressed water as fuel. As the rocket rises it loses…

A: The mass of toy rocket is M=3 lbs. The mass of water fuel is m=1 lbs. The height at which rocket…

Q: Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average…

A:

Q: A 4878-kg car is driving down a portion of highway that is inclined 10° with respect to the…

A: According to question---- Given data-- Mass of car (m) = 4878 kg. Incline angle = 10 degree…

Q: A 5 kg book is pushed across a table with a velocity of 1 m/s. Once the person pushing lets go the…

A:

Q: Explorers in the jungle find an ancient monument in the shape of a large isosceles triangle as shown…

A: Write the expression for the volume of the monument and substitute the corresponding values.…

Q: block with mass m = 2500 gram slides towards a spring with spring constant k = 320 N/m. When the…

A:

Q: The propellers of a drone require a force of 70 N to lift, at constant speed, a parcel from the…

A: thank you

Q: A physics professor tries to barricade himself in his office by pushing a 30 kg desk in front of the…

A:

Q: A leaky 10-kg bucket is lifted from the ground to a height of 12 m at a constant speed with a rope…

A:

Q: A 7.80-g bullet moving at 620 m/s penetrates a tree trunk to a depth of 5.40 cm. (a) Use work and…

A: Given data The mass of the bullet is m = 7.80 g = 0.0078 kg The initial velocity of the bullet is: u…

Q: A hummingbird is able to hover because, as the wings move downward, they exert a downward force on…

A: Given data: The wings move through a distance =2.9 cm The wings beats = 85 times per second The mass…

Q: A pump is required to lift 800 kg of water per minute from a well 13.8 m deep and eject it with a…

A: Here the mass of water lifted per minute  = 800 kgdepth of well = h = 13.8m the ejected speed of the…

Q: A 3.7-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of…

A:

Q: Starting from rest, a 1.7x10 kg flea springs straight upward. While the flea is pushing off from the…

A: Given that,  Mass of flea, m=1.7×10-4 kg The initial speed of flea, vi = 0 m/s Upward force, F=0.35…

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A: Applied force (F) = 360 N Initial extension (d)= 5 cm = 0.05 m

Q: Explorers in the jungle find an ancient monument in the shape of a large isosceles triangle as shown…

A:

Q: An airplane pilot fell to the ground after jumping from an aircraft without his parachute opening.…

A: (a) The average force exerted, F = 19,833N (b) The work done W = 41,650J Explanation:

Q: A 7.80-g bullet moving at 530 m/s penetrates a tree trunk to a depth of 4.50 cm.  (a) Use work and…

A: (a).According to the work energy theorem, the net work done is equal to the change in kinetic energy

Q: A hockey puck of mass 0.26 kg is sliding along a slippery frozen lake, with an initial speed of 64…

A: Mass of hockey puck, m = 0.26 kg Initial speed, u = 64 m/sCoefficient of friction between ice and…

Q: A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A: use work energy theoremwork done = change in kinetic energy - frictional force * d = - (1/2)m (U)2 f…

Q: work and energy considerations to find the average frictional force that stops the E uming the…

A: Work energy theorem states that  Work done = change in kinetic energy

Q: Problem 1: A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well…

A: Given data:  Work done due to force F1 Wf = 484.5 J Work done due gravity Force Fg Wg = -344.8 J…

Q: A force of 30 N acts on an object with mass 5kg, and the object is displaced 10 m along a rough…

A:

Q: A 3.5-kg object falls vertically downward in a viscous medium at a constant speed of 1.5 m/s. How…

A: The mass of the object is 3.5 kg.The constant speed of the object is 1.5 m/s.The vertical…

Q: A 7.80-g bullet moving at 650 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A: