What would a person’s speed be if they free fell for 12 seconds instead (no air friction present)?

Q: A 1,959-kg car starts from rest at the top of a driveway 7.26 m long that is sloped at an angle of…

A: Given data: The mass, m=1959 kg The distance is d = 7.26 m The angle is θ=21° The force is F=2338 N…

Q: A constant horizontal force moves a 50 kg trunk 9.4 m up a 28° Incline at constant speed. The…

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Q: A force of 3.6 N acts towards the East on an object with mass m = 2.0 kg, while simultaneously a…

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Q: A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag…

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Q: A guy dives from a cliff of height H at an initial speed 0 (for simplicity). During the first phase…

A: Given that: The height of the cliff is H The initial speed is u= 0 Touchdown speed at the water…

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 rope exerts a constant horizontal force of 280 N to pull a 50kg crate across the floor. the…

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Q: A 75-kg snowboarder has an initial velocity of 5 m/s and slides down a 92-m-long straight incline…

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Q: 4.3. Someone drops a rock from a bridge. ou can neglect air friction as you answer the following:…

A: using,       for t= 0.5 s        for t = 1.0 s         for t = 2.0 s

Q: It has been determined that a force over 200 N can injure the hand. What is the shortest period of…

A: The objective of this question is to find the shortest period of time it will take to stop a 2 kg…

Q: A 5,0 kg block starts sliding from rest, at a height of 1,0 m on a slope of 15º, without friction.…

A: 1) Mass of block: m = 5 kg 2) Initial velocity of block is zero at height: h = 1 m 3) Inclination of…

Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

A: Given weight of Komi at the mountain base is Wb = 540 N and the weight of Komi at the top of the…

Q: A 23 kg box is dragged 4.7 meters across the floor by a rope that is angled at 66degrees with the…

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Q: You push a box (mass 3 kg) so that its initial speed is 2.2 m/s. It slides across a rough floor…

A: KE=Wfriction12mv2=μkmgdd=v22μkg

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

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Q: A 1 kg ball and a 2 kg ball, both the same dimensions, are dropped at the same time from a height of…

A: Acceleration due to gravity is independent from the mass of object so for Both object if we apply…

Q: When a model rocket is launched, the propellantburns for a few seconds, accelerating the rocket…

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Q: Question 4. A skateboarder of mass m approaches a ramp with height H and an incline angle of 0. You…

A: (a) Given: The mass of the skateboarder is m. The height of the ramp is H. The incline angle is θ.…

Q: The net force on block A equals to 47.4 N, and the mass of block A is 14.5 kg.  If at t=0 sec, the…

A: Write the given data with suitable variables. F=47.4 Nm=14.5 kgu=0 m/st=4.8 s Here, F denotes the…

Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

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Q: A woman in a lift is trying to weign m/s, and finally decelerates at 1.1 m/s. During the first stage…

A: Given downward accleration ,a=1.7 m/s2costanr speed ,v=3m/sFinaly decelerates at 1.1 m/s2 scale…

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

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Q: A parachutist whose mass is 85 kg drops from a helicopter hovering 2000 m above the ground and falls…

A: The objective of the question is to find out the total time taken by the parachutist to reach the…

Q: 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

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Q: Initial velocity of the block is 20 m/s and its final velocity is 10 m/s. The block is 2 kg. Y-Z…

A: Work-Energy Theorem: According to this theorem, the work done by a force is equal to the change in…

Q: A theme park is planning out a new free-fall ride. The drop is almost perfectly frictionless, with a…

A: Given:-  The height of the theme park is planning a new free-fall ride h = 190 m. The initial…

Q: An object is given an initial speed of 5 m/s on a horizontal surface.It slides 10 m on the…

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Q: You are standing at the top of a cliff that has a stairstep configuration. There is a vertical drop…

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Q: A block of mass m-9kg is acted on by a force of magnitude F, as shown in the figure. The force makes…

A: Mass, m = 9 kgAngle, θ = 26°Magnitude of force = FCoefficient of static friction, µs =…

Q: A 1,801-kg car starts from rest at the top of a driveway 6.14 m long that is sloped at an angle of…

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Q: The strings and frictionless pulleys have negligible masses.  The coefficients of kinetic friction…

A: Given that, the mass of block A is mA=3kg the mass of block B is mB=4kg coefficient of kinetic…

Q: A ball of mass 2 kilograms is loaded into a spring gun which is pointed vertically upward. At t = 0…

A: The given force (F) acts on the given ball of mass (m) for the duration (T = 1 s) and imparts an…

Q: A particle has initial velocity ūo friction. At which second the particle has velocity i = 3i – 0.2j…

A: Fx=0⇒ax=0ay=g downward

Q: Q2: Jane, who weighs 500 N, must cross a river full of hungry crocodiles to save Tarzan, who weighs…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional…

A: Using Newton’s second law of motion,

Q: A stone of 1 kg is thrown with a velocity of 20 m s-1 across the frozen surface of a lake and comes…

A: The initial velocity of the stone, u= 20 m/s The final velocity of the stone, v= 0 Distance covered…

Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

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Q: The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed…

A: Given data The mass of the object is m = 62 kg. The force applied to the object is F = 23 N. The…

Q: A box of mass 10.2 kg is slid along the floor. The initial speed of the box is 2.5 m/s and it comes…

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Q: Tom reached a speed of 29 m/s in the downhill skiing competition. Suppose he left the slope at that…

A: Given: The initial speed of tom is vi=29 ms. The final speed of the tom is vf=vi2. The coefficient…

Q: A ball with mass 0.75 kg is thrown upward with initial velocity 25 m/s from the roof of a building…

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Q: An object of mass 12.9 kg enters a rough floor with speed of 10.1 m/s. The coefficient of friction…

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Q: A 128 lb person steps into an elevator at the ground floor. The elevator accelerates upward at 5.0…

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Q: The maximum ('terminal') velocity, Vt, that a falling object achieves depends on its mass m, the…

A: When any object is freely falling under the gravitational force field through a fluid, then three…

Q: A child riding a bicycle has a total mass of 30.6 kg. The child approaches the top of a hill that is…

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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: