An 85-kg wind sailor is on a 100-kg sailboat sailing on the red sea. If the acceleration of the boat is 5m/s² then what is the force exerted by the wind on the sailboat?

Q: What net external force is exerted on a 1100.0-kg artillery shell fired from a battleship if the…

A: Expression for net external force is F=ma Substitute F=1100.0 kg2.40×104 ms2=2.64×107 N

Q: Give the magnitude and direction of the net force acting on a) a drop of rain falling down with a…

A: Here given a drop of rain falling with a constant speed . We have to find the magnitude and…

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

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

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Q: Superman and Batman are on a sheet of iče, preparing for battle. Superman has a mass of 94 kg, and…

A: Given:- mass of the superman = 94 kg  mass of the badman = 117 kg   The force applied by superman on…

Q: A 40 kg sprinter starts from rest and 2.0 s later is running at a speed of 8.0 m/s. What is the net…

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Q: A steel ball is traveling downwards through liquid at constant velocity. Given that the oil exerts a…

A: force exerted by oil on ball = 4 N since the ball is moving with constant velocity , therefore it…

Q: A 45-kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

A: Mass of the woman, m=45 kg Acceleration of the woman, a=7 m/s2 Acceleration due to gravity, g=9.8…

Q: A 5.0-kg and a 10.0-kg box are touching each other. A 45.0-N horizontal force is applied to the…

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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 150-g fish is swimming toward its food with an acceleration of 2 m/s/s. If the amount of friction…

A: Given that Mass m = 150 g Acceleration a = 2 m/s2 Friction force of water is f = 2 N

Q: A 2.5 ng-red blood cell is settling at a constant velocity of 4.0 mm/h downward in blood plasma. The…

A: Newton’s first law of motion: If a body is at rest or moving at a constant velocity in a straight…

Q: What causes the boat in Fig. 4–41 to move forward?(a) The force the man exerts on the paddle.(b) The…

A: To move forward, the boat must have acceleration in the forward direction. The boat gets…

Q: A boat of mass 500 kg moves through the water with two forces acting on it. One is a 1000 N forward…

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Q: A 7.00-kg box is attached to a 3.00-kg box by rope 1. The 7.00-kg box is pulled by rope 2 with a…

A: Given, Mass of boxes are Force applied on box is Coefficient of friction,

Q: A 1440-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant…

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Q: Jane, who has a mass of 81.0 kg, is riding at 15.0 m/s in his new car when she must suddenly slam on…

A: Given: mass m = 81.0 kgspeed v = 15.0 m/stime to stop t =0.5 sec

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

A: Given data The magnitude of the force in the north direction is: Fy = Fsail = 430 N The magnitude of…

Q: A 51.5-kg swimmer with an initial speed of 1.25 m>s decides tocoast until she comes to rest. If…

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Q: A 75 kg woman on roller skates pushes a 25 kg girl, also on roller skates, with a force of 40 N. The…

A: According to NEWTON THIRD LAW action has equal and opposite reaction. So when woman pushes a girl…

Q: The net horizontal force on a 56000 kg railroad boxcar is 5800 N. What is the acceleration of the…

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Q: What is the mass of a bowling ball that exerts a downward force of 160 N on your skull after gently…

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Q: Two water-skiers, with masses of 48 kg and 61 kg, are preparing to be towed behind the same boat.…

A: By Newton's laws expression for force is,  F=ma Here , m is mass and a is acceleration.  Given :…

Q: If you exert a force F on an object, the force which the object exerts on you will (choose one)…

A: To tell about the force

Q: A  1410-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant…

A: Given  mass of the submarine (m)=1410 kg upward buoyant force(Fu)=16630 N downward buoyant…

Q: person dives toward the bottom of a swimming pool, the bouyant force acting on her increases."

A: As per Archemede's principle  Buoyant force =weight of liquid displaced

Q: A 3.5 kg bucket of water is raised from a well by a rope . If the upward acceleration of the bucket…

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Q: A net force of 20 N exerted on a wooden block produces an acceleration of 4 m/s2. The mass of the…

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Q: 2.2. A metal ball of mass 10 g falls in oil with an acceleration of 3.0 m/s? at one instant.…

A: Mass of the ball is m = 10 g = 0.01 kg Acceleration of the ball is a = 3.0 m/s2

Q: A crate of weight 1960 N, initially at rest, is being pushed by a horizontal force (F=500 N) to the…

A: According to the Newton's second law  Net force = mass x acceleration

Q: A 9 - kg sled sliding freely in the positive direction on an icy surface experiences a 3-N…

A: According to newton's second law of motion, the acceleration(a) of an object is the ratio of the net…

Q: ASK YOUR TEACHER For a huge luxury liner to move with constant velocity, Its engines need to supply…

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Q: When you stand still on the ground, how large a force does the ground exert on you? Why doesn’t this…

A: The answer lies in Newton's law  Newton's third law of motion. When an object applies force on the…

Q: Calculate the acceleration of a 2000-kg, single-engine airplane just before takeoff when the thrust…

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Q: A box, initially at rest, has 20.9 N of force exerted on it for 5.39 s. If the box has a mass of…

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Q: A car of mass 1200 kg is accelerated from rest to a speed of 72km/hr in 40 seconds . Calculate the…

A: Given: The mass of the car is 1200 kg.             The final speed is 72 km/hr.              The…

Q: Two boxes (M1-1 kg. M2-2 kg) are adjacent to each other horizontally (NOT vertically stacked) on a…

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Q: Two people are pulling on a toboggan. One person is pulling directly north with a force of 75 N…

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