A 1600 kg car moves down a level highway under the actions of two forces: a 940 N forward force exerted on the drive wheels by the road and a 890 N resistive force. Use the work-energy theorem to find the speed of the car after it has moved a distance of 16 m, assuming that it starts from rest.

Q: Your brand new 75.0-kg refrigerator falls out of the back of your truck while you are traveling up a…

A:

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 6.0 m/sm/s encounters a…

A: Given initial speed= 6m/s Final speed = 2.88m/s Friction force = 0.22Mg = 2.2M Change in kinetic…

Q: A conservative force of magnitude 12.5 N is acting on a 1.5 kg body. The particle starts moving…

A: Mass of the body is, m=1.5 kg.  Force= 12.5 Nlength of path A to B is 12.8 mThe length of path B to…

Q: Spiderman, whose mass is 78.0 kg, is dangling on the free end of a 12.6-m-long rope, the other end…

A: Given:-           Mass of Spiderman(m) = 78 kg          Length of rope(l) = 12.6 m         Angle(θ)…

Q: The figure gives the acceleration of a 5.0 kg particle as an applied force moves it from rest along…

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

Q: A crate with mass m = 24 kg is being pushed up an incline that makes an angle φ = 18.7 degrees with…

A: Givenmass, m=24 kgangle, ϕ=18.7 degforce, P=460 Ncrate start from restfinal speed, v=4.8…

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 cord is used to vertically lower an initially stationary block of mass M = 20 kg at a constant…

A: mass, m  = 20 kg  downward acceleration, a = g/4  distance, d = 1.5 m

Q: with an initial speed of 14 m/s. Find the work done by gravity on the rock from the time it leaves…

A:

Q: cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring of…

A: In the given question, Mass of cargo (m) = 2 kg spring constant (k) = 120N/m The angle of…

Q: forces act, one of which is known to be constant in time:  F1 = (5 N)î + (7 N)ĵ.  As a result, the…

A: Work done by the force is given as  W = F.r r = displacement vector

Q: The following information applies to the next two questions (questions 25 and 26). A particle of…

A: Force is a physical quantity that can cause an object with mass to change its state of motion or…

Q: Starting from rest, a 24.6 kg suitcase slides 4.81 m down a frictionless ramp inclined at 36.9° from…

A:

Q: A variable force directed in the positive x direction is exerted on an object moving at a constant…

A: The objective of the question is to find the displacement where the force is removed, given that the…

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 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: An object with mass 5.5 kg is sliding to the right while a roughly constant force of magnitude 16…

A:

Q: A constant 77.7-N force acts on a 5.80-kg box. The box initially is moving at 26.0 m/s in the…

A: Given data:  Force (F) = 77.7 N Mass (m) = 5.80 kg Initial velocity (v0) = 26.0 m/s Final velocity…

Q: You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m…

A: Given Data Weight of the rock is W=20 N Height of the rock from the ground is h=15.0 m Speed of the…

Q: Spiderman, whose mass is 78.0 kg, is dangling on the free end of a 12.4-m-long rope, the other end…

A:

Q: The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to…

A:

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: On a frictionless canvas a 6.5 kg block can slide along the x-axis and is subjected to a force of 90…

A: Given, Mass m = 6.5 kg            Force  F = 90 N           Initial velocity u = 0 (at rest)…

Q: A 60.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m—high rise.  Find her final…

A: skier weight=60.0 kg speed of skier= 12.0 m/s height= 2.50 m coefficient of friction= 0.0800 angle…

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: (given)      Mass of an asteroid = 5.8Initial speed of asteroid = 6700 m/s Final speed of asteroid =…

Q: The (non-conservative) foree propelling a 1.10 x 10°-kg car up a mountain road does 7.50 x 10 J of…

A: Given: mass of car m =1.10*103 kgwork done by force W = 7.50*106 Jheight reached h = 2.20*102 m

Q: A sled has a total mass of 57 kg and is pushed with a horizontal force from rest. It accelerates at…

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…