3. A block of mass m is placed in a straight, horizontal gutter that allows the block to move only along the gutter. There is a coefficient of friction between the block and the gutter of μ . You exert a constant force of F at an angle of θ above the horizontal and pull the block a distance of d. The block starts at rest and ends at some speed, vf. Derive an expression for vf, final speed of the block

Q: A cable is lowering a 500 kg cart down a 37 deg. incline (from the horizontal) as it slows down from…

A:

Q: 3. A crate with mass m=5kg is accelerated at 25 m/s? by a force F along a 10.0 m horizontal plane…

A: Given: Crate's mass is m=5 kg Acceleration is a=25 m/sec2 Coefficient of kinetic friction μ=0.2

Q: A 5kg object is moving with a constant acceleration. At t=3.0 s the velocity of the object is ů, =…

A: Mass of the object, m = 5 kg Initial velocity at time t = 3 s is  Final velocity at time t = 5 s is…

Q: A box of unknown mass is 5 meters up a frictionless ramp and is let go from rest. Assume the ramp…

A:

Q: 2.1 Time-dependent force* A 5-kg mass moves under the influence of a force F = (4r²î–3tj) N, where t…

A: We are authorized to answer one problem at a time, since you have not mentioned which one you are…

Q: You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of…

A:

Q: 2. A 40-lb suitcase has an initial velocity down the ramp of va = 20 ft/s and the coefficient of…

A: in this  question  we use  equation of motion and free body diagram  equation.

Q: Q3: An object of mass m moves along the x axis under the influence of the force F = -cva i. where a…

A:

Q: A5.0 kg wooden sled is launched up a 45° snow-covered slope( = 0.06) with an initial speed of 6.0…

A:

Q: A baseball with the mass of 150. g is released from a roof of a 78.5 m building. a) Determine the…

A: Mass = 150 g Height = 78.5 m Average force = 0.165 N Average acceleration =? Time of the fall =?

Q: Q7: Find the displacement and velocity of horizontal motion in a medium has retarding force (k=0.02)…

A: a- x=10011.1 and v-5.210 The displacement after 3 minutes is x = 10011.1 m. The velocity after 3…

Q: Required information You are designing a high-speed elevator for a new skyscraper. The elevator will…

A: Maximum ascent acceleration(a) =4.4 m/s2

Q: An Olympic skier moving at 37 m/s down a 26° slope encounters a region of wet snow of coefficient of…

A: We have given Initial speed u =37 m/s  Final speed v=0  θ=29o  μ=0.96 g=9.8 m/s2 Let R = normal…

Q: 4. Cassie steps outside to complete a long run and improve her cardiovascular strength. She is very…

A: The different angles made by the different part of the system is shown in figure below:

Q: -A 10 kg block is pulled up an incline at an angle of 60° with a force of 40 N. The Eape coefficient…

A:

Q: A 2kg block starts from rest at the top of a 30 degree incline and slides a distance of 2m down the…

A:

Q: Q4 In the figure, a 3.9 kg block slides along a track from one level to a higher level after…

A:

Q: Block A has a weight of 60 Ib and block B has a weight of 10 lb. Neglect friction and the mass of…

A: Consider the length of the string from pulley to the block on the plane is sA and the length of the…

Q: part ttached to the end of an nextensible cord of length 0.96 m. hereas the other end of the cord is…

A: centripetal acceleration =v2 /r

Q: Computation. On earth, a block sitting on a frictionless, horizontal table accelerates at 7.13 m/s²…

A:

Q: m-long-ramp incl and the ramp and h

A: Given: Mass of crate is 180 Kg length of long ramp is 3.7 m Inclination at 39o Coefficient of…

Q: If a 250-lb crate is released from rest at A, determine its speed after it slides 30 ft down the…

A: The Kinematic equations of motion are- 1) v=u+at2) s=ut+12at23) v2=u2+2as where,u is initial…

Q: Same

A:

Q: efficient of kinetic friction between the book and the carpet. Assume the only forces acting on the…

A:

Q: 8d. A block of dry ice slides at constant velocity along a smooth, horizontal surface (no friction).…

A: A block of dry ice slides at constant velocity along a smooth, horizontal surface (no friction).…

Q: For this problem, m=10 Kg. Please answer the following: A) What is the accelèration in the x…

A:

Q: Please include kinematics and force diagram.

A: The force diagram for the system is given below:

Q: A block of mass m is placed on an inclined plane which has an adjustable angle with the horizontal.…

A: The free-body diagram of an object on an inclined plane:

Q: a) Describe real-world situation wherein friction is necessary pr unecessary.

A: Friction  is define as opposing force act between two surfaces when come in contact with each other…

Q: 20 m Your Answer: 15 m Rough A 15.0 kg stone slides down a snow-covered hill shown in the figure,…

A:

Q: Q1: A car's engine exerts a force of 720 N to the right. What is the resultant force acting on the…

A: Recall  F=ma Ffr=μN

Q: A student conducts an experiment in which an object is released from rest above a motion detector so…

A: It is given that the object's released from rest from a height towards the ground. At starting…

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A:

Q: A ball with mass 0.8 kg is thrown upward with initial velocity 20 m/s from the roof of a building 70…

A: Given:-u= initial velocity= 20 m/sm= mass of the ball= 0.8 kgH= height of the building= 70 mFar=…

Q: A 100 kg cart rests on a frictionless surface. A net force of 125 N acts on the cart over a distance…

A: m = 100 KgFnet = 125 Nd = 3 mFind out the maximum speed ?

Q: What distance will someone slide given a velocity, a μk, and an acceleration

A:

Q: You are pulling a string with a force of 205N attatched to a heavy box of 38kg across your carpeted…

A:

Q: i. A Frictionless man can choose to go down 3 ramps: da Ⓡ Which of the following options are right?…

A:

Q: d) A ball rolls off the edge of a cliff. The ball’s velocity is 27 m.s−1 just before it hits the…

A: Solution: Given that d). v=27 m/s e). F=2 N W = 7 N Ff = 3 N

Q: Help

A: The vertical displacement is h=640 m The acceleration is a=4.40 m/s2 The velocity in the upward…

Q: When the three blocks in the figure are released from rest, they accelerate with a magnitude of 0.5…

A:

Q: A study found that the coefficient of friction between the ice and curling stone is 0.02. The…

A: Coefficient of friction μk =0.02   Distance d = 30m

Q: 1. A 250 puck is sliding across a smooth ice surface (u = 0.019) and slows down from 25.120 m/s to…

A:

Q: mass, starting from rest, falls a distance x in t seconds, achieving a velocity v.  What is the…

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Q: The symbol w is used for distributed loads. What are the units for w? force/length (for example…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!