person steps horizontally off the roof of a single-story house that is 3.1 m high. When his feet hit the ground below, he bends his knees such that his torso decelerates over a distance of 0.65 m before coming to a stop. If the mass of his torso is 50 kg, what is the average net force exerted on his torso over this distance?

Q: 2 crates are connected to each other by a rope. One crate(m=17kg) is sitting by the ledge of a…

A:

Q: Fig. 2 F1 +y 55.0 - +x 54.0 N F2 2. Fig. 2 shows a 25.0-kg crate that is initially at rest. Note…

A: Given: Mass of crate: 25 kg kinetic friction: μk=0.350 Force F1 has two components in x and y…

Q: A car weighing 1202kg accelerates from a stop to 100km/hr in 4.3 sec going up a ramp at an angle of…

A: Given quantities: Mass of the car (m) = 1202 kg initial velocity of car (u) = 0 final velocity of…

Q: I am travelling along a flat highway at 60mi/hr (26.8 m/s). (a) If the coefficient of friction…

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Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk…

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Q: A picture with a mass of 0.30kg is hung from a wall. The single wire that the picture is suspended…

A:

Q: The coefficient of static friction between a block and a horizontal floor is 0.47, while the…

A: Given data The block mass is: m = 4.2 kg The coefficient of static friction is: μs = 0.47 The…

Q: A crate that weighs w = 110 N is located on a rough surface. When a force Fapplied = 40 N is exerted…

A: As per guidelines only 3 subparts are solved here. Given, Weight, W = 110 N Fapplied = 40 N

Q: You and your friend Peter are putting new shingles on a roof pitched at 25°. You’re sitting at the…

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Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

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

A:

Q: A 180-kg crate is sitting on the flatbed of a moving truck. The coefficient of sliding friction…

A: Equating the acceleration of the truck at the given time,

Q: he air exerts a forward force of 10 N on the propeller of a 0.40 kg model airplane. If the plane…

A: To determine,the magnitude of the resistive force(FR )exerted by the air on the airplane.given,Force…

Q: A small rocket of weight 0.3 lbs is launched vertically with thrust 3 lbs from a stand on the ground…

A:

Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

Q: You drive an automobile of mass 2.10 x 103 kg from sea level to the top of a mountain 2.05 km high.…

A: Given: mass of automobile m= 2.10× 103 kg Height at which automobile reached from sea level h = 2.05…

Q: 6. A person steps horizontally off the roof of a single-story house that is 3.1 m high. When his…

A:

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given Data : The mass of the cart is given as mc = 26 Kg. The coefficient of friction between the…

Q: A 1.00 × 103-N crate is being pushed across a level floor at a constant speed by a force → F of…

A:

Q: A pickup truck is carrying a 10.0 kgkg toolbox, but the tailgate of the truck is missing, so the box…

A: Given Mass of the tool box m = 10.0 kg Coefficient of kinetic friction μs = 0.34 Coefficient of…

Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

A:

Q: A stacked pair of books with masses m1= 1.5 kg (bottom book) and m2 = 1.0 kg (top book) are tossed…

A:

Q: A person stands on the ball of one foot. The normal force due to the ground pushing up on the ball…

A: Given Data:-  The Normal force due to the ground pushing up on the ball of the foot N = 750 N  The…

Q: In the figure provided, there is a crate of mass 4.87 kg on top of another crate of mass 2.66 kg.…

A:

Q: Two blocks of mass M and m are sitting on a horizontal floor. The blocks are touching. The…

A: Since the blocks are in equilibrium in vertical direction, their normal forces must be equal to…

Q: Two horizontal forces,  P and Q, are acting on a block that is placed on a table. We know that  P…

A:

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 62.0-kg person jumps from rest off a 2.50-m-high tower straight down into the water. Neglect air…

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Q: You are entering the bungee-jumping business and must design the bungee cord. The jump will be from…

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Q: A block is placed on a wooden plank, which is initially horizontal. One end of the plank is slowly…

A:

Q: A horizontal force of 12 N pushes a 0.50-kg book against a vertical wall. The book is initially at…

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Q: A horizontal force of 800 N is needed to overcome the force of static friction between a level floor…

A: The magnitude of horizontal force F=800 N The mass of the crate m=200 kg The acceleration due to…

Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

A:

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: Given data: The tension in one rope is T1=653 N. The angle made by one rope is θ1=26.5°. The angle…

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: