Suppose that you have a mass of 100 kg. When you pull the rip cord and the parachute opens, the air resistance force on you increases drastically and equals 2000 N upward. The magnitude of the acceleration is ______ m/s/s

Q: The figure below shows a box with a mass of 20kg. Sliding down an inclined plane which makes an…

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Q: Three blocks are connected together as shown and are initially at rest. The pulley and string are…

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Q: A force F is used to keep a 60 newton object at rest on a frictionless 40° incline. What is the…

A: Weight of the object (W)=60 N Angle of inclination (θ)=40o

Q: A student's true weight is 407 N (magnitude), and apparent weight at a certain time is 515 N…

A: Given value--- true weight = 407 N. apparent weight = 516 N. We have to find--- Acceleration?

Q: A double-incline plane is shown below. The coefficient of friction on the left surface is 0.28, and…

A: We have to find acceleration of the system

Q: A rock moving in the +x-direction with speed 16.0 m/s has a net force applied to it at time t =…

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Q: Consider the folowing situation: A 2 kg box on an inclined frictionless table pulled up the incline…

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Q: The force exerted by the wind on the sails of a sailboat is 430N north. The water exerts a force of…

A: Given: The mass of the system is 330 kg. The forces on the boat are 230 N east and 430 N north. The…

Q: A person is skiing down a 30° slope.  The coefficient of friction of the snow and his skis is 0.10.…

A: The free body diagram of the system is given below:…

Q: A train locomotive pulls a train with a mass of 1.40 x 107 kg on level rails. The locomotive exerts…

A: Given data:  Mass (m) = 1.40×107 kg Force (F) = 6.50×105 N Initial velocity (u) = 0 m/s Final…

Q: m₁ 30° Acceleration: Tension: N 60⁰ Two blocks of masses m1 = 4 kg and m2 = 4 kg are on either side…

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Q: A 70 kg carte is pulled along a level surface at constant velocity by a constant force of 200N at an…

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Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to…

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Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to…

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Q: Moments after making the dreaded decision to jump out the door of the airplane, a skydiver's 81.8-kg…

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Q: A student pulls a 2-kg backpack across the ice (assume frictionless) by pulling at a 30.0 degrees…

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Q: Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. The…

A: For Block A, Frictional force, Fk=μk.mA.g.sinθ, μk= Coefficient of kinetic friction Component of…

Q: A _________ is an object that is given an initial velocity and which subsequently follows a path…

A: When an object is given an initial velocity and then no more force is manually applied on it, it…

Q: The coefficient of kinetic friction between a refrigerator (mass 91 kg) and the floor is 0.13, and…

A: The mass of the refrigerator is The coefficient of static friction isThe coefficient of Kinetic…

Q: A 10.0 kg object has a weight of 98N. If the object has 10 N of air resistance acting on it, the…

A: Given: Mass of the object, m = 10 kg Weight of the object, w = mg = 98 N Air resistance acting on…

Q: At t1 = 0, the body was at rest when an external net force gave it an acceleration of 0.5 m/s/s.…

A: Given that:- Total distance travelled=1980ft

Q: The figure above shows two objects connected by a rope over a pulley. Assume the pulley is…

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Q: The force exerted by the wind on the sails of a sailboat is F = 350 N north. The water exerts a…

A: Force due north= 350 NForce due east = 230 NMass = 310 kg

Q: The Fig. Q1b below shows forces F1, F2 and F3 acting on a particle P. Determine the resultant force…

A: F1→=7cos30°i^+7sin30°j^F2→=13cos60°i^+13sin60°j^F3→=-11cos20°i^-11sin20°j^ The Resultant force,…

Q: A 28 kg suitcase is being pulled with constant speed by a handle that is at an angle of 25 degrees…

A: Given data:  Mass (m) = 28 kg Angle (θ) = 25° with the horizontal Normal force (FN) = 160 N…

Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to…

A: (a) Free-body diagram

Q: Accelerating object MUST be changing their velocity- either the magnitude or the direction of the…

A: Accelerating object must be changing their velocity -either the magnitude or the direction of the…

Q: A box with a mass of 3.00 kg starts from rest at the top of a 32.5° incline and slides 2.00 m down…

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Q: A 328-kg motorcycle is accelerating up along a ramp that is inclined 30.0° above the horizontal. The…

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Q: Question 12 Take a look at this image. Two people are pushing a box in the opposite direction: one…

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Q: A crate with a mass of 3.00 kg starts from rest at the top of a 29.5° incline and slides 2.00 m down…

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Q: Objects 1 and 2 are connected by a string, as shown. They are moving toward the right, and the…

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Q: The coefficient of static friction between a certain car’s tires and an asphalt road is about 0.68.…

A: Given : The coefficient of the static friction between the card and road is Acceleration due to…

Q: A 3.0-kg book is held at rest against a wall by a 120 N push force. The coefficient of static…

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Q: c = 0.1 M = 3000kg Peeta wants to find out the braking time for her car in the mud. Assuming Peeta…

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Q: Kinetic Coeff. Friction = 0.33 Mass m1 = 25.6 kg Mass m2 = 48.5 kg Mass m3 = 144 kg Find the…

A: THE FORCE OF KINETIC FRICTION IS GIVEN AS: Fk= μkN ----(1)WHERE  μk= COEFFICINT OF KINETIC FRICTION…

Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to…

A:

Q: A horizontal force is acting on a block moving on a rough horizontal surface. The force has the same…

A: Given: The coefficient of static friction μs = 0.75. The coefficient of kinetic friction μk = 0.5.

Q: The force exerted by the wind on the sails of a sailboat is Feni = 470 N north. The water exerts a…

A: Given, The force exerted on the sails of a sailboat is Fsail=470 N north The water exerts a force of…

Q: An elevator is moving upward with a constant acceleration of 1.2 m/s^2. An object with mass 10. kg…

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Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to…

A: Newton's second law of motion: According to this law, the net force acting on an object is equal to…

Q: A book with mass = 2.25 kg rests on the surface of a bar. The coefficient of static friction between…

A: Part(a)  :    a=g(μs​−μk​) Part(b) :    2.646 m/s⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠2 Explanation:

Q: What is the magnitude a of the masses' acceleration? a = What is the magnitude of the tension T in…

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Q: Determine the magnitude of the resultant force at A. Take FB = 700 N, Fc = 400 N, and h = 6 m. h y…

A: Take point O as the origin. Write the coordinates of points O, A, B, and C.

Q: A ball is falling through air.  Calculate the terminal speed (a positive number, in m/s) if these…

A: Mass of the ball, Acceleration due to gravity,  Coefficient of air resistance,

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: