Suppose the horizontal velocity of the wind against a sail is 6.3 m/s parallel to its front surface and 3.5 m/s along its back surface. -Calculate the magnitude of the force on a square meter of sail in N, given that the density of air is 1.29 kg/m3.

Q: The resultant of three coplanar-concurrent forces is 200lb 90°. Determine the value and direction of…

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Q: A diver springs upward from a board that is 4.80 m above the water. At the instant she contacts the…

A: Given: h = 48 mθ=77.5ov = 14.3 m/swe have to find vo and θo

Q: An airplane of mass 1.50 x 104 kg is in level flight, initially moving at 60.0 m/s. The resistive…

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Q: A baseball approaches home plate at a speed of 45.0 m/s, moving horizontally just before being hit…

A: Solution: Given that baseball speed vi = 45 m/s vf = 55 m/s mass of the ball m = 145g = 0.145 kg…

Q: During an accident between GMC and YARIS cars, the GMC acting average force of 106 N towards to the…

A: According to Newton's 3rd law third law  for every action (force) in nature there is an equal and…

Q: Like friction, drag force opposes the motion of a particle in a fluid; however, drag force depends…

A: Given that:Fdrag=kmvInitial velocity=vo

Q: The parameters of instantaneous speed, altitude, net engine thrust, and wind speed are given for the…

A: For the load , ux= 200+30=230 m/s. ( Adding the speed                                            of…

Q: A suspended mass of 20 grams located at 210° in the force table is the same as: O 20 grams at 30°…

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Q: After falling from rest from a height of 35 m, a 0.30-kg ball rebounds upward, reaching a height of…

A: Given:

Q: 20. During a stormy season, winds can move horizontally at 30 m/s. If air strikes a person at the…

A: Given: The speed of the wind is 30 m/s. The strike rate is 40 kg/s.m2. The height of the person is…

Q: A diver with a mass of 110 kg on a high board 10.0m above the water’s surface dives off the board…

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Q: After falling from rest from a height of 25 m, a 0.60-kg ball rebounds upward, reaching a height of…

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Q: Calculate the magnitude of the average force exerted on the son by the mother during the push. The…

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Q: A Chinook salmon can swim underwater at 3.58 m/s, and it can also jump vertically upward, leaving…

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Q: In a research facility, a person lies on a horizontal platform which floats on a film of air. When…

A: This question is based on law of conservation of linear momentum. For an isolated system linear…

Q: After falling from rest from a height of 29 m, a 0.40-kg ball rebounds upward, reaching a height of…

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Q: One of the first ion engines on a commercial satellite used Xenon as a propellant and could eject…

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Q: From a cannon of a circus, a bullet of r = 12 cm rises. Of lead material with a speed of 12.5 m / s;…

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

A: Given data: Mass of car is, m=1200 kg. Initial speed of car is, u=0 m/s.…

Q: When a body is in equilibrium. ( choose one) 1. must have zero momentum 2. no forces can be acting…

A: when a body in equilibrium it means net force on the body is zero.

Q: A computer (weight W=100N) in a packing case is protected against impact by foam plastics (spring…

A: During free fall, the whole system experiences acceleration due to gravity. After impinging the…

Q: Describe a situation in which the net external force on a system is not zero, yet its speed remains…

A: Consider a ball tied to a string which is undergoing circular motion at constant speed. The net…

Q: Like friction, drag force opposes the motion of a particle in a fluid; however, drag force depends…

A: Given information: The expression for the drag force (Fdrag)=kmv The particle is constrained to move…

Q: Consider a Falcon 9, a two-state-to-orbit launch vehicle. The take-off mass of Falcon 9 is mto =…

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Q: Which of the following statements is correct? a. The greater the mass of rocket fuel burned, and…

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Q: The system shown is at rest when a constant 250-N force is applied to block A. Neglecting the masses…

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Q: What is the magnitude of air drag force experienced by a raindrop of mass 5.0 x 10-6kg that is…

A: Draw the free-body diagram of the raindrop:

Q: A rocket has mass 40,000 Kilogram (kg) which includes 20,000 kg of fuel mixture is fired vertically…

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Q: In a slow-pitch softball game, a 0.2 kg softball crosses the plate at 15 m/s at an angle of 45°…

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Q: In the figure, two long barges are moving in the same direction in still water, one with a speed of…

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Q: A 101 kg of ice is kicked so that it will have an initial velocity of 13 m/sec. If the coefficient…

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Q: A 72-kg water skier is being accelerated by a ski boat on a flat (“glassy") lake. The coefficient of…

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Q: A 5IN force is applied to the block shown in the figure. The block with a mass of 10kg then moves…

A: The entire solution is attached in step2 Explanation:The force 51N makes an angle of 500 with…

Q: cargo is being pulled by two sailboats, both having equal magnitude of forces. The first sailboat is…

A: Resultant of two forces can be determined by parallelogram law of vector.

Q: Hippos spend much of their lives in water, but amazingly, they don’t swim. They have, like manatees,…

A: We know the buoyant force (FB) is given as shown below. where, V denotes volume, g denotes…

Q: After falling from rest from a height of 28 m, a 0.35-kg ball rebounds upward, reaching a height of…

A: Given: Mass of the ball, m = 0.35 kg   Initial height, h1=28 m  Final height, h2= 18 m Contact…

Q: After falling from rest from a height of 25 m, a 0.30-kg ball rebounds upward, reaching a height of…

A: Given information:The mass of the ball (m) = 0.3 kgHeight from which it falls (h1) = 25 mHeight to…

Q: In a research facility, a person lies on a horizontal platform which floats on a film of air. When…

A: The mass of the combined system is, The speed of the blood is, The distance traveled by the…

Q: The Merlin rocket engines developed by SpaceX can produce 7.12 ✕ 105 N of instantaneous thrust with…

A: Given:-  The  trust force F = 7.12 x 105  N  The exhaust speed is v = 3.05  x 103 m/s  Find:-  What…

Q: The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.60 *104 kg/s, with an…

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Q: After falling from rest from a height of 31 m, a 0.40-kg ball rebounds upward, reaching a height of…

A: The velocity of ball when it touches the ground after falling from height 31 m is given as  V² =…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”