A shark, of mass 95 kg, is swimming with a constant velocity of 7.2 m/s [32° above the horizontal]. What is the net force acting on the shark?

Q: Three astronauts, propelled by jet backpacks, push and guide a 104 kg asteroid toward a processing…

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Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A: Given that,Fp=8.7 NmA=10.6 kgmB=7 kgμk=0.02

Q: Two forces F, = (55.76i - 26.83ĵ) N and F, = (27.41î - 76.73ĵ) N are exerted on a particle. The…

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Q: THREE 5-KG PACKAGES A, B, AND C ARE PLACED ON A CONVEYOR BELT THAT IS AT REST. BETWEEN THE BELT AND…

A: We can assume that if the boxes are to move, they will move to the left side. So we can say that if…

Q: Given two forces that act on an object of mass 3.0 kg: F1 with magnitude 24 N and direction 45…

A: Assume the east direction to be +x axis and the north direction to be +y axis. Then the components…

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

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Q: An object of mass m = 1.00 kg is observed to have an acceleration of a with a magnitude of 23.6 m/s…

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Q: A skier with mass of 55 kg (including winter clothes and ski equipment), slides straight down a…

A: Given:mass of skier, m = 55 kg angle of inclination, θ = 50°

Q: A 4.5-kg object is dropped vertically (with zero horizontal speed) from a tall building with an…

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Q: Two horizontal forces act on a 2.8 kg chopping block that can slide over a frictionless kitchen…

A: Part A: The net force Fnet on an object is its mass m times its acceleration a.

Q: In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging…

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Q: Two coplanar forces F1 and F2 are acting on an object. F1 has a magnitude of 10N directed at an…

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Q: Two forces F, = (74.87î - 40.73ĵ) N and F, = (23.57î - 72.94ĵ) N are exerted on a particle. The…

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Q: The diagram shows two rugs pulling a boat in a river along the direction due north. Find: 300 N 15%…

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Q: A body of mass 62 kg on a horizontal smooth plane is acted upon by a force F=30 N at an angle 0=30°.…

A: Given Mass = 62 kg Force = 30N Angle = 300 Acceleration due to gravity (g) = 10m/s2

Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 66.9 kg skier is pulled up…

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Q: A 3.40-kg object is moving in a plane, with its x and y coordinates given by x = 3t2 − 2 and y = 2t3…

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Q: Two horizontal forces act on a 2.7 kg chopping block that can slide over a frictionless kitchen…

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Q: Determine the normal force exerted on the woman’s feet by the floor.

A: Given data: Mass of the woman, m= 60000 g =60 kg Acceleration of the elevator, a=120 cm/s2=1.2 m/s2

Q: A 39 kg girl and a 7.7 kg sled are on the frictionless ice of a frozen lake, 10 m apart but…

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Q: Two forces F, = (81.24î – 26.83ĵ) N and F, = (27.41i - 80.52ĵ) N are exerted on a particle. The…

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Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 64.2 kg skier is pulled up…

A: Analyze the free body diagram of the system. Note: Consider the upward direction normal to the…

Q: A 346-kg boat is sailing 17.0° north of east at a speed of 1.60 m/s. 21.0 s later, it is sailing…

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Q: Two teams of nine members each engage in tug-of war. Each of the first team's members has an average…

A: Given The average force on the right is F1=1450 N. The average force on the left is F2=1635 N. The…

Q: Two forces F, = (62.13î - 26.83ĵ) N and F, = (19.73î - 69.15ĵ) N are exerted on a particle. The…

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Q: Two horizontal forces act on a 2.7 kg chopping block that can slide over a frictionless kitchen…

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Q: A 2 kg object accelerates at a rate of 5 m/s2 to the left, under the influence of two opposing…

A: Mass , m = 2 kg Acceleration , a = 5 m/s2  F1 = 20 N to the right . To find = Magnitude and…

Q: A block with a mass of (m = 93.0 kg) accelerates horizontally from 2.10 m/s to 14.5 m/s in a…

A: Given that the velocity of block increases by some given value over a certain distance, we need to…

Q: An airboat with mass 960 kg, including the passengers, has a propeller that produces a driving…

A: Given Data:- Mass of the airboat is M=960 kg Force produced by the propeller is FP=1680 N Resistive…

Q: A car traveling at 50 km/h hits a bridge abutment. A passenger in the car moves forward a distance…

A: According to the  question data v =50km/h=13.889m/s S=78cm=0.78m m=43kg We need to find Force act on…

Q: A 5-kilogram object is moving in a plane, with its x and y coordinates given by: x(t) = 5t2? 1 ,…

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Q: A 125 kg body sits at rest until 3 forces act up the body: F1 = 24.5 N @ 0o, F2 = 38.0 N @ 160o,…

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Q: THREE 5-KG PACKAGES A, B, AND C ARE PLACED ON A CONVEYOR BELT THAT IS AT REST. BETWEEN THE BELT AND…

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Q: A box of mass 30.0 kg is acted on by a constant horizontal force, which moves the box from rest 15.0…

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Q: Three forces acting on an object are given by  F1 = (−1.5î + 7.10ĵ) N,  F2 = (5.10î − 1.55ĵ) N, and…

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Q: Two forces, F1 and F2, act at a point. F₁ has a magnitude of 9.80 N and is directed at an angle of…

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Q: On a particle of mass m = 20 g, act three forces F1, F2 and F3 on the paper plan. The forces F2 = 4…

A: According to Newton's Second law of motion The net force on an object is given by Where m = mass of…

Q: A 3.45-kg object is moving in a plane, with its x and y coordinates given by x = 6t2 − 4 and y = 4t3…

A: The x-component of velocity is v=dxdt=ddt6t2-4=12t The y-component of velocity is…

Q: The force exerted by the wind on the sails of a sailboat is 390 N north. The water exert a force of…

A: The force exerted by wind on sail acts to north, and force exerted by water acts on East. The…

Q: In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging…

A: Given: The angle of rider from the horizontal is 15°. The tension in the rope is 2300 N. The angle…