• A 111-kg seal at an amusement park slides from rest down a rampinto the pool below. The top of the ramp is 1.75 m higher than thesurface of the water, and the ramp is inclined at an angle of 26.5°above the horizontal. If the seal reaches the water with a speed of4.25 m>s, what are (a) the work done by kinetic friction and (b) thecoefficient of kinetic friction between the seal and the ramp?

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: 6.10 •• An 8.00-kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at…

A: Note:- Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: "If someone pulls a crate up a rough, inclined plane at constant speed, which one of the following…

A: According to the work energy theorem, the work done by all the forces is equal to the change in the…

Q: A 4.4-kg block is pushed 3.5 m up a vertical wall with constant speed by a constant force of…

A: Given information:Mass of the block (m) = 4.4 kgCoefficient of friction between the block and the…

Q: Find the work done in blowing a soap bubble of surface tension 0.03 Nm-1 from so that its its…

A: Given data: Initial diameter of soap bubble di=2 cm. Final diameter of soap bubble df=4 cm. Surface…

Q: 1) A steel ball of mass 5.2 g is fired vertically DOWNWARD from a height hof 18 m with an initial…

A: Given   mass of steel ball = 5.2 g initial speed = vo = 14 m/s    (downward direction) height = 18…

Q: (a) Calculate the work done (in J) on a 1700 kg elevator car by its cable to lift it 41.0 m at…

A:

Q: A crate of mass 98 kg is pulled up a rough incine with an initial speed of 1.54 mys. The pulling…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: A construction crane lifts a prestressed concrete beam weighing 3 short tons from the ground to the…

A:

Q: A 186-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 43.6 °…

A:

Q: While pedaling a bicycle, a particular cyclist exerts an 80N force against the pedal. This  force is…

A: Given:- The force exerted by the cyclist against the pedal F = 80 N  The diameter of the circle…

Q: A trough is 2 meters long, 2 meters wide, and 4 meters deep. The vertical cross-section of the…

A: Find the amount of work in joules required to empty the trough by pumping the water over the top.…

Q: A worker pushed a 22.0 kg block 12.0 m along a level floor at constant speed with a force directed…

A: Given value --- mass = 22 kg. distance s = 12 m. angle = 22 degree.  We have to find --- work…

Q: Suppose a 1400-kg elevator car is lifted a distance 42 m by its cable at a constant speed, assuming…

A: The objective of the question is to calculate the total work done on the elevator. The work done on…

Q: A 500 kg hot air balloon experiences an upward lift force Flift over an interval t = 20.0 s. As a…

A:

Q: A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. F The box…

A: θ=Angle of application of force=30°m=Mass of box=6.3 kgs=Vertical displacement=2.9 mμ=Coefficient of…

Q: 9. A block of mass (m) slides down an incline plane with constant speed from height (h) (at point A…

A: Given Data : The height of the ramp is given as H. The initial velocity of the box is given as v The…

Q: A bag of sand which acts as a counter weight for a stage set is suspended vertically by a rope of…

A: Given:    Mass of the bag, m = 117 kg    Length of the rope, L = 8m    Distance, d = 3m Where, θ is…

Q: Cite an example in which a force is exerted on an object without doing work on the object.

A: The work done will be zero when the applied force on an object is perpendicular to the displacement…

Q: If the force and length traveled by the objects are given as scalar while the angle between them is…

A: Given: The force and traveled distance in scalar form. The angle between force and displacement.…

Q: (а) A worker pulls a 50 kg storage box at an angle of 37° with the horizontal floor by a constant…

A:

Q: • Early one October, you go to a pumpkin patch to select yourHalloween pumpkin. You lift the 3.2-kg…

A:

Q: • A 22,000-kg airplane lands with a speed of 64 m>s on a stationary aircraft carrier deck that is…

A:

Q: A 2 kg block is pushed 4.0 m along a horizontal floor by a force of magnitude 25 N at an angle…

A: Apologies. We only answer three parts at a time. we will answer the first three as the exact one…

Q: A body of mass m falls down through a height h. Obtain an expression for the work done by the force…

A:

Q: Ex 12 : Calculate the work done in blowing a soap bubble of radius 0.5 cm. Surface tension of soap…

A: Radius of soap bubble r = 0.5 cm = 0.005 m Surface tension of soap solution is T = 2.5 × 10- 3 N/m

Q: A woman swimming upstream is not moving with respect to the shore. Is she doing any UT work? If she…

A: In first case when the woman was swimming, she was applying force on water but due to same and…

Q: A 2 kg block is pushed 4.0 m along a horizontal floor by a force of magnitude 25 N at an angle…

A:

Q: When a force, F = (4i - 6j) N is exerted on a body, the body is displaced by s = (-5i - 8j) m.…

A: power is word done per unit time and , work = force x displacement

Q: A bullet with a mass of 14.5 g is accelerated along the length of a 73.5 cm long rifle barrel from…

A: The given mass of the bullet is m =14.5 = 0.0.145 kg Velocity of the bullet at the time of bullet…

Q: A 6.1-kg block is pushed 2.6 m up a vertical wall with constant speed by a constant force of…

A: Mass of block(m) = 6.1 lg vertical displacement (y) = 2.6 m

Q: A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. The bag,…

A:

Q: A 287-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 17.1°…

A: Given that, Mass of crate M = 287 kg angle below the horizontal direction Θ =17.1 0 the coefficient…

Q: Suppose you need to lift a 20 kg box by a height of 1.0 m. (i) You hold the box and lift it…

A: Given data: The mass of the box is m=20 kg. The height of the box lift is h=1.0 m. The inclination…

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: Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0 incline. The coeffi cient of…

A: Free body diagram

Q: A 7.80-g bullet moving at 610 m/s penetrates a tree trunk to a depth of 5.40 cm. (a) Use work and…

A:

Q: To clean a floor, a janitor pushes on a mophandle with a force of 50.0 N. (a) If the mop handle is…

A:

Q: A horizontal force of 150 N is used to push a 41.5-kg packing crate a distance of 5.20 m on a rough…

A: Solution: Given that Force of F = 150 N is used to push a m = 41.5-kg packing crate a distance of d…

Q: (a) Calculate the work done (in J) on a 1200 kg elevator car by its cable to lift it 38.0 m at…

A:

Q: A man cleaning a floor pulls a vacuum cleaner with a force of magnitude 60 N at an angle 45° with…

A: Work done: A force exerted on the body and total displacement of the body gives work done. Work is…