An object falling under the pull of gravity is acted uponby a frictional force of air resistance. The magnitude of thisforce is approximately proportional to the speed of the object,which can be written as f = bv. Assume b = 15 kg/s and m =50 kg. (a) What is the terminal speed the object reaches whilefalling? (b) Does your answer to part (a) depend on the initialspeed of the object? Explain.

Q: A 7kg block is placed on an inclined that is 24 degrees to the horizontal. It has a coefficient of…

A: Given:- The mass of the block m = 7 kg  The inclined plane at an angle of 24 degrees to the…

Q: A block weighs 100. N and rests on a horizontal surface. If Ms = 0.50 and uk = 0.20 between the…

A:

Q: The drag on a pitched baseball can be surprisingly large. Suppose a 145 gram baseball with a…

A: Given; Mass of ball, m = 0.145 kg Diameter of ball, d = 0.074 m therefore , r= 0.037 Drag…

Q: A 2kg box is being pulled up a ramp by a force of 24N. The ramp is at an angle of 35 degrees from…

A: Mass of box (m) = 2 kg Applied force = 24 N Angle of ramp (θ) = 35oFrictional force (f) = 1.5 N

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A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A box with a mass of 8.80 kg slides up a ramp inclined at an angle of 28.3° with the horizontal. The…

A: The free body diagram is shown below: According to the work-energy theorem, the equation can be…

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A:

Q: A sports car is accelerating up a hill that rises 18° above the horizontal. The coefficient of…

A: Given : angle with horizontal = 18° Static friction, μs = 0.88 Mass of car is m.

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Q: a block is sliding down a ramp with an external force (in addition to friction) applied up the ramp…

A: Page 1

Q: I need help with this Hw Problem.

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Q: A box with mass m = 4.5 kg rests on the surface of a table. The coefficient of static friction…

A: According to question we need to find--- expression for a ?

Q: A car is traveling at 30 m/s along a horizontal road. The coefficients of friction between the road…

A:

Q: There are nine books in a stack, each with a weight of 1.1 N. The coefficient of friction between…

A:

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: A 2 kg box is against a vertical wall by a small force (f1=10n) perpendicular to the surface of the…

A:

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: Your friend asks for help moving a box across the apartment floor and tells you that the box weighs…

A: The static frictional force on the box Fs=μsW=0.42·422=177.24 N The kinetic frictional force on the…

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A: Given data *Weight of upper block, m1g = 25 N *Weight of lower block, m2g = 100 N *The given tension…

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A:

Q: A skater with an initial speed of 6.80 m/s stops propelling himself and begins to coast across the…

A: initial velocity (u) = 6.80 m/sFinal velocity (v) = 0 m/s Coefficient of kinetic friction (μk) =…

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A:

Q: A man has to push his boat on the shore across the mud to get to the water. The coefficient of…

A: The force of friction is given by  F = μ N where, N is the normal reaction and μ is the coefficient…

Q: how large does m have to be to start the blocks moving? Please answer in kilograms.

A: When the block is about to start  friction will be maximum and the forces on mass M will be balanced

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A: Mass of the mug (m)=2.6 kg Coefficient of kinetic friction between table and mug (μ)=0.25

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Q: A box of mass m = 20.0 kg is pulled up a ramp that is inclined at an angle 0 = 15.0° angle with…

A: Given  Mass of the box m=20.00 kg The angle of inclination θ=150 Coefficient of kinetic friction…

Q: Problem 2: The 300 metric tonne jet airliner has four engines, each of which produces a nearly…

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A:

Q: A box of mass m = 20.0 kg is pulled up a ramp that is inclined at an angle 0 = 15.0° angle with…

A: Solution:

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A:

Q: At an accident scene on a level road, investigators measure a car's skid mark to be 88 m long. It…

A: Given : d = 88 m u = 0.35

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A: The initial speed of the book is 3.85 m/s.The final speed of the book is 0 m/s.The distance traveled…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: