A skydiver has 20853 J of kinetic energy while falling at terminal velocity. After opening the parachute the skydiver only has 696 J of kinetic energy. How much work did the parachute do?

Q: You are holding a 1 kg rock and standing at the top of a cliff. You drop the rock off the cliff and…

A:

Q: A sailor pulls her boat along a dock using a rope at an angle of 25° with the horizontal. How much…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: A 67 kg yak has an average power output of 200 W. How long can a yak climb a 3km high mountain?…

A:

Q: joel is performing a leg curl. To raise the weight, he exerts a vertical force of 1500 N of force to…

A:

Q: A 45.0 kg student climbs a 5.45 m long rope and stops at the top. What must her average speed be to…

A: The work done by the student is equal to the change in gravitational potential energy. Hence,  W=mgh…

Q: A constant 81.8-N force acts on a 3.70-kg box. The box initially is moving at 11.3 m/s in the…

A: Applying Work-Kinetic Energy theorem:- Work done by the force(W)=Change in KE of the object Hence,…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Given: The mass of the helicopter is 860 kg. The initial speed of the helicopter is 0 m/s. The final…

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: Given that,The time : t = 1.5 (sec)The mass of block : m = 28 (kg)The displacement of the block…

Q: A 1260 kg elevator accelerates upward at 1.20 m/s2 for 16.8 m starting from rest. How much work (in…

A: Given: Mass of the elevator is m=1260 kg Acceleration of the elevator is a=1.20 m/s2 Height gained…

Q: A 1000-kg elevator is moving c distance of 400 m. What is the g=9.81 m/s². Select one: -3.92 x 106 J…

A: Given data, Mass is given m = 1000 kg. Distance d=400 m. Acceleration due to gravity g=9.81 m/s2.

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: Logan is standing on a dock holding onto a rope swing that is ?=4.30 m long and suspended from a…

A:

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Given:            m = 800 kg            v   = 7.5 m/s            h  = 8.7 m            t   =  4 s…

Q: A stone with a mass of 120 g is fired from a catapult into the air at an angle of 45° to the…

A: air resistance is ignored

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: The answer is below

Q: An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass…

A: Given: Total mass of sled and salmon = 50 kg Force exerts by Eskimo, F = 1200 N Displacement, S = 5…

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A:

Q: A sled is dragged along a horizontal path at a constant speed of 1.50 m/s by a rope that is inclined…

A:

Q: A 907 kg elevator carries passengers with combined mass of 542 kg as it ascends at constant speed of…

A:

Q: A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…

A: The objective of the question is to find the kinetic energy of the athlete at the maximum height she…

Q: A 5.00 kg body is moved 12.0 m on a horizontal surface by a force of 20.0 N acting at an angle of…

A: Given mass of body = 5.00 kg distance move by body = 12.0 m along horizontal applied force = 20.0 N…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Given that: The mass of the helicopter is m=710 kg The initial velocity is u=0 m/s The final…

Q: A 2.0-kg block slides down a frictionless incline from point A to point B. A force (magnitude P =…

A:

Q: Awater-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle…

A: We have, Mass, m = 81 Kg Initial speed u = 6.5 m/s Final speed, v = 10.1 m/s

Q: A 600.0-g box has an acceleration of 5.0 m/s? when it is pulled by a horizontal force across a…

A: Work done is given by:

Q: An archer stands on a cliff with his bow 32.5 meters above a valley and fires an arrow with a mass…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Given u=0 (initial velocity at the top of the slide) m=79 Kg (mass of student) h=11.6m (height of…

Q: In Figure, a chain is held on a frictionless table with one third of its length hanging over the…

A: Given length of chain L=100cm=1m Mass M=2.5kg  Therefore mass per unit length ρ=M/L=2.5kg/m Hanging…

Q: One boat tows another boat by means of a tow line, which is under a constant tension of 525 N. The…

A: To answer the question, we will find the power required first, and then by multiplying time we will…

Q: Spiderman, whose mass is 74.0 kg, is dangling on the free end of a 12.2-m-long rope, the other end…

A: The work done by the gravitational force on the spider man in this maneuver is Wg=mg∆h=mgl-lcosθ…

Q: A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for…

A: Given that-Mass of the sled, m= 70 kgLength of the plane, L= 80 mAngle of inclination of the plane…

Q: A 3.00 [kg] brick slides head-on to a spring with spring constant k = 320 [N/m]. When the 1 stops,…

A:

Q: 4. A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-…

A:

Q: A 1260-kg car starts from rest at the bottom of a driveway and has a speed of 3.00 m/s at a point…

A: given -          mass of car = 1260 kg          initial velocity of car = 0 m/s          velocity of…

Q: A 2.5 kg cube glides down from the top of a 1.5 m high frictionless ramp. The angle of the ramp with…

A:

Q: 13. A fighter jet is launched from an aircraft carrier with the aid of its own engines and a…

A:

Q: The figure below shows the work performed on a box by a constant horizontal force as a function of…

A:

Q: One boat tows another boat by means of a tow line, which is under a constant tension of 465 N. The…

A: Given data: Tension force (F) = 465 N Velocity (v) = 4.60 m/s Time (t) = 1.10 min Required: The work…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Mass of helicopter M= 780 kg Iniatial speed of helicopter u = 0 Final speed of helicopter v= 10.0…

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Write the given values with the suitable variables. m=78 kgh=11.4 mu=0 m/sWf=-6×103 J Here, m, h, u,…

Q: A 20 kg brick moves along an x axis. Its acceleration as a function of its position is shown below.…

A:

Q: A 85.5-kg person rides an elevator up one level, going up a total distance of 3.02 m. How much…

A:

Q: A concrete block is pulled 4.5 m to the right across a smooth surface. The tension in the rope is…

A: Given data :- displacement d = 4.5 m (along right) Tension force T = 199.4 N Angle between Tension T…

Q: A truck of mass 6,000 kg is traveling along a level road at an initial speed of 25 m/s. The driver…

A:

Q: A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 3.80 m at…

A: Given Mass of the desk is m=80.0 kg Displacement is given as d=3.80 m Coefficient of kinetic…