An airplane starts from rest on the runway. The engines exert a constant force of 78.0 kN on the body of the plane (mass 9.20 × 104 kg) during takeoff. How far down the runway does the plane reach its takeoff speed of 64.6 m/s?

Q: A block with a mass of 4.0 kg is released from rest and slides down a long, smooth ramp. The incline…

A:

Q: You place a crate of mass 36.2 kg on a frictionless 3.53-meter-long incline. You release the crate…

A:

Q: A box of apples of mass 22 kg slides 2.5 m down a ramp inclined at 44o to the horizontal.  The force…

A: mass of box of applies, m = 22 kg Length of ramp, L = 2.5 m Friction force, f = 79 N Degree of…

Q: A mover has to move a heavy sofa of mass 100 kg to the second floor of the house. He uses a rope to…

A:

Q: A cart of mass 8.00 kg was moved by applying two constant forces. Force 1 is 28.0 N at 42.0°, and…

A: Given: mass of cart, m = 8.0 kgForce, F1 = 28.0 N at 42°Force, F2 = 13 N at 110°

Q: In a circus performance, a monkey on a sled is given an initial speed of 3.1 m/s up a 26◦ incline.…

A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A husky is pulling a sled loaded with cargo (total mass m = 34kg) along some snow, which has…

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Q: slides? 1. 4.68 m/s^2 2 1.23 m/s^2 3 6.08 m/s^2 4 1.76 m/s^2

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Q: "A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionless surface…

A: Acceleration a = F/m

Q: 10° 200 Problem 1. A block having a mass of 2000 kg moves along a smooth inclined plane with a speed…

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Q: While an elevator of mass 903 kg moves downward, the tension in the supporting cable is a constant…

A: It is given that, y=5 mt=4 sT=7730 NM=903 kg

Q: A stone is thrown straight upward with a speed of 25 m/s. It is caught on its way down at a point 5…

A: The vertical displacement of stone is   y=y_0+v_0t-(1/2)gt^2  5=25t-(1/2)(9.80)t^2 5=25t-4.90t^2 On…

Q: You place a crate of mass 39.4 kg on a frictionless 3.67- meter-long incline. You release the crate…

A: Given,

Q: You place a crate of mass 20.1 kg on a frictionless 4.69-meter-long incline. You release the crate…

A:

Q: Elena dimabato of Anolia, the princess who always cried, has an ugly block with a mass M = 8 kg that…

A: Mass of box =8kg Intial speed of box =4m/s Coficient of friction =0.312 Tension in string =8N

Q: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

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Q: he top of a ramp, which is inclined at an angle of 20 degrees with respect to the horizontal.…

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Q: An elevator, which weighs 8 tons with its load, is descending with a speed of 900 ft/min. Ifthe load…

A: The weight of an elevator is W=8 tons×2000 lb=16000 lb The load on the cables is wl=14 tons×2=28000…

Q: A block of mass 5 kg starts to slide down a frictionless plane having an inclination of 25.0° from…

A: mass of block = 5 kg Length of incline = 2 m angle of inclined plane = 25oInitial velocity at the…

Q: A block of mass 22 kg moves up a 32 degree inclined plane by being pulled by a string attached to a…

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Q: A 100 kg crate is pushed along a horizontal surface for 10 m.  Starting from rest, the crate reaches…

A: Using work-energy theorem, the expression for find magnitude of the net force on the crate is…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: You place a crate of mass 38.8 kg on a frictionless 2.20-meter-long incline. You release the crate…

A:

Q: stly, physicist like to express friction forces in terms of the efficient of friction µ, so that = µ…

A: The problem can be solved using free body diagram and equation of motion.The solution for the given…

Q: with d = 2.90 m. The block starts at x = 0, and is given a push to the left with an initial speed of…

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Q: A teacup fell was left on the wing of a fighter jet and did not fall until the jet was already very…

A: When object falls with a constant velocity the drag force on it is equal to the gravitational force…

Q: A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A: we know that acceleration, a=F/m and v^2=2as  [initially at rest]

Q: The football's initial velocity comp ir resistance and any other noncon

A: The initial height of football,                                  x-component of an initial velocity,…

Q: A 2 kg golf ball moves along an x axis according to x(t) = 1013 – 2.80f2 + 7.4t + 15, with x in…

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Q: A horizontal force of magnitude F = 56.2 N pushes on a block of mass m = 5.87 kg. The block is on a…

A: The objective of the question is to find the acceleration of the block on the incline in terms of…

Q: A 2.0 kg wood block is launched up a wooden ramp that is inclined at a 30° angle. The block’s…

A:

Q: A cyclist coasts up a 10.0 degree slope, traveling 20.0 m along the road to the top of the hill. If…

A: Given:Initial speed,  u= 9.00 m/sAngle,  θ = 100Distance  d = 20 m

Q: You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of…

A: Given:-The elevator will have a mass limit of 2400 kgmaximum ascent speed to be 18.0 m/sThe maximum…

Q: A block slides down an inclined plane of slope angle θ with constant velocity. It is then projected…

A: Given that, Angle = θ Initial speed = v0

Q: 5.0 kg cannonball is fired horizontally at 60 m/s from a 14-m-high cliff. A strong tailwind exerts a…

A:

Q: A parachutist whose mass is 90 kg drops from a helicopter hovering 1500 m above the ground and falls…

A: The mass of the parachutist is The initial height is 1500 mThe constant of proportionality when the…

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

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: Sam (75 kg) takes off (from rest) up a 50-m-high, 10° frictionless slope on his jet-powered skis.…

A:

Q: Three forces act on a particle that moves with unchanging velocity F₁ = (2.3 N )î + (3.8 N )Ĵ +…

A: We are given 3 forces. We are given that these 3 forces are acting on particle. They are acting such…

Q: A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76…

A: a=v2-u22d=0 m/s2-76 m/s221.6km103 m1 km=-1.81 m/s2

Q: A mover has to move a heavy sofa of mass 118 kg to the second floor of the house. He uses a rope to…

A: Given data:  Mass (m) = 118 kg Angle (θ) = 30.0°,above the horizontal Acceleration (a) = 0.700 m/s2…

Q: A particle of mass 8.0 kg moves along the horizontal x-axis. In the x direction the only force…

A: The area under the force-position represents the work done. Determine the work done at a position…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.