A 40 kg skier skis directly down a frictionless slope angledat 10to the horizontal. Assume the skier moves in the negative directionof an x axis along the slope.A wind force with componentFx acts on the skier.What is Fx if the magnitude of the skier’s velocityis (a) constant, (b) increasing at a rate of 1.0 m/s2, and (c) increasingat a rate of 2.0 m/s2?

Q: As snown below, the mass of block I is m1 = 3.0 kg, while the mass Block 2 is m2 К. m, and the…

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Q: The acceleration of a mass is given by a=3+2t, What is the initial velocity if x(1)=x((0)?

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Q: A particle is under the influence of a force F = - kx + kx³/a?, where k and a are constants and k is…

A: Since you asked multiple questions, only the first question is solved for you. If you want any…

Q: the fall, drag is present by a factor 4v due to air resistance, where v is the velocity of the ball…

A: We have given that the mass of the ball is m and it has an initial velocity of 0, a ball dropped…

Q: Give the position s = ƒ(t) of abody moving on a coordinate line (s in meters, t in seconds). Find…

A: Given that, The function of the position is  s=sin t+ cos t Time t=π4 s

Q: Three forces are acting on an object moving with an unchanging velocity v=(i+7j) m/s . Two of the…

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Q: A dog and a sledge are on the frictionless ice of a frozen lake, 14.4 m apart but connected by a…

A: Distance , d = 14.4 m Acceleration of sledge , as = 0.5 m/s2 Acceleration of dog, ad = 0.1 m/s2 To…

Q: If it actually hits the ground with a speed of 9.00 m/s, what is the magnitude of the average force…

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Q: An object of mass m moves on a horizontal frictionless surface with an acceleration given by a(t) =…

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Q: on a frictionless surface. They collide As shown in the figure below, two objects are moving towar…

A: Given -  Velocity  of object 1 =v1→Velocity  of object 2 =v2→ = 9.4msMass  of object 1 (m1) = 1.4…

Q: ID: A 6. The horizontal surface on which the block slides is frictionless. If F 20 N and M 5.0 kg,…

A: Given that, Force F = 20 N Mass M = 5.0 kg Angle = 30o

Q: A trained sea lion slides from rest with constant acceleration down a 3.0-m-long ramp into a pool of…

A: Apply Newton’s second law perpendicular to the plane of the incline

Q: The masses m1and m2shown in the figure are tied to eachother by a rope over a frictionless pulley.…

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Q: Suppose the coefficient of kinetic friction between mA and the plane is 0.15, and that mA = mB = 2.7…

A: (a) Since the masses are connected by a string, the acceleration of the masses is same. The net…

Q: The positon vector r of a particle of mass 2 kg at time / seconds is given by r= [(2 sin 2t) i + (1…

A: Given: Mass, m = 2 kg Position vector, r = [(2 sin 2t)i + (1-cos 2t)j ] m (a)    velocity is the…

Q: What will be the velocity of the ski jumper at position B if she starts from rest at position A?…

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Q: A 5-kg mass moves under the influence of a force F = (4ri-3tj) N, where t is the time in seconds (1…

A: Given, Force,F=(4t2i-3tj)N Mass,m=5 kg

Q: A wooden ball of weight 196 newtons is dropped vertically from a height of 100 meters above the…

A: Given , weight ,mg = 196 N Height ,h = 100m Drag factor = 4v mass ,m = mgg=196N9.8m/s2 =20 Kg Now,…

Q: A 3 kg object has a velocity of 3i m/sat one instant. 8 seconds later, its velocity is (5i + 7j)…

A: mass = 3 kg initial velocity = 3 i^ msfinal velocity = 5i^ + 7j^ mstime = 8 seconds

Q: At time t = 0 s, a motor begins to move a small elevator of mass 117 kg by unreeling a cable. The…

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Q: Given that the velocity of a particle in rectilinear motion varies with the displacement x according…

A: If the motion of a particle is through a straight line in one dimension, it is said to be in…

Q: if the coefficient of kinetic friction between tires and dry pavement is 0.80, and in wet pavement…

A: Answer Let the car travel in the +ve x direction the kinetic friction of the force oppose the motion…

Q: Given that the velocity of a particle in rectilinear motion varies with the displacement x according…

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Q: Given that the velocity of a particle in rectilinear motion varies with the displacement x according…

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Q: 2.8 Given that the velocity of a particle in rectilinear motion varies with the displacement z…

A: Given that the velocity of a particle in rectilinear motion varies with the displacement xaccording…

Q: 4) A 90 eg woman Stards yu an elevator. Find the force which the floor of the ele vator Pxert, on…

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Q: A dog and a sledge are on the frictionless ice of a frozen lake, 11.6 m apart but connected by a…

A: The acceleration of the sledge, as=0.8 m/s2   The acceleration of the dog, ad=0.2 m/s2   The rope…

Q: An object of mass m,3.70 kg placed on a frktionless, horontal table is connected to's string that…

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Q: What net external force is exerted on a 1500-kg artillery shell fired from a battleship if the shell…

A: Given data:  Mass (m) = 1500 kg Acceleration (a) = 2.00 × 104 m/s

Q: An object with mass m initially at rest is acted on by a force F= k1i + k2t3j, where K1 and  K2 are…

A: Mass =m  Force = F→=k1i^+k2t3j^ According to Newton's second law of motion: F = ma F=dvdt

Q: A 50 kg block is being pushed horizontally with a constant force such that the acceleration is I…

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Q: A car of mass m=1500kg is on an icy driveway inclined at an angle 0 = 53° as in Figure. What is the…

A: Given  Mass of car m=1500 kg θ=53

Q: A block is sliding along a horizontal surface where the coefficient of kinetic friction is 0.5…

A: Given Data: The coefficient of kinetic friction between the block and the surface is, μk=0.5 The…

Q: A block of mass M slides down a frictionless plane inclined at an angle ? with the horizontal. The…

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Q: A dog and a sledge are on the frictionless ice of a frozen lake, 12.6 m apart but connected by a…

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Q: Suppose a rocket is at an elevation of 100 km and has an initial velocity of 1.00 x 10^4 m/s…

A: Initial height (h) = 100 km Initial vertical velocity (u) = 10000 ms

Q: Let us make the (unrealistic) assumption that a boat of mass m gliding with initial velocity v, in…

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Q: A force F of magnitude 665 N lies in the line of action AB = 3i - 1j + 1.6k. What is the magnitude…

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Q: Ngelecting air resistance, for a projectile in the air that was launched at a non-zero angle, does…

A: No it does not feel any force along X- direction.

Q: In a fit, a toddler throws straight down his favorite 1.5 kg toy with an initial velocity of 2 m/s.…

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Q: As a block slides down a frictionless incline, which of the followingstatements is true? (a) Both…

A: As the block slides down a frictionless incline, the speed of the block increases. There is external…

Q: Obviously, we can make rockets to go very fast, but what is a reasonable top speed? Assume that a…

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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: