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

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 box of mass 11.6 kg is slid along the floor. The initial speed of the box is 1.8 m/s and it comes…

A: According to question--- Given value--- mass m = 11.6 kg. initial speed = 1.8 m/sec . final speed =…

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: It was a snow day, so Eric and some friends went sledding. He boarded his 60-inch sled and descended…

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Q: A cannonball is fired straight up into the air. The cannonball leaves the cannon at a speed of 81…

A: Given: The cannonball is fired straight up into the air. And here the given details about this…

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

A: Weight = mg Since m is constant so Percentage decrease in weight = percentage decrease in…

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: You are visiting your cousins for Christmas in New Hampshire where it is freezing. They are crazy.…

A: Applying Newton's second law on the sledge, ∑Fx=mgsin20°=ma     [1]∑Fy=N-mgcos20°=0    [2] From…

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

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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: A 12 kg block of ice slides down a ramp 10 m long, inclined at 18° to the horizontal. (a) If the…

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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: 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: A box of mass 7.3 kg is slid along the floor. The initial speed of the box is 6 m/s and it comes to…

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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: 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 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: It was a snow day, so Eric and some friends went sledding. He boarded his 60-inch sled and descended…

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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: Imagine a skydiver with a mass of m jumping out of an airplane at an altitude of h. As the skydiver…

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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: 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 person jumps from the roof of a house 3.9-m high. When he strikes the ground below, he bends his…

A: We have to determine the final velocity before striking the ground and average force. We are aware…

Q: A block of mass m =2.2 kg slides on the ground. At the start of the slide, the velocity of the block…

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Q: Section 1.6 30. a. With what initial speed must you throw a ball vertically for it to reach a height…

A: Height h=20 ft = 6.09 m

Q: In the figure, the 200-lb crate is being pulled up the slope by the motor M. If the velocity of the…

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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: