A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts a constant force of 6.60 ✕ 105 N on the train. How much time does it take to increase the speed of the train from rest to 74.0 km/h? (Ignore any resistance force from the rails on the wheels of the train. Enter your answer in minutes.)

Q: A large cruise ship of mass 6.70 ✕ 107 kg has a speed of 12.4 m/s at some instant. What is the…

A: According to the work kinetic energy theorem, the work done on an object is equal to the change in…

Q: A 4 kg particle moves along an x axis according to x(t) = −1 + 4t − 5t3 , with x in meters and t in…

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

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Q: A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2…

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Q: A boat has a mass of 6.43 x 10³ kg. Its engines generate a drive force of 4.5 x 103 N due west,…

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Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

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Q: A freight train has a mass of 1.4 ✕ 107 kg. If the locomotive can exert a constant pull of 7.7 ✕ 105…

A: To find the acceleration: Let's use Newton's force formula in terms of mass and acceleration…

Q: The figure shows two blocks are connected over a massless, frictionless pulley. The mass of block 2…

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Q: Three forces act on a particle that moves with unchanging velocity (2.4 m/s )i + (-6.5 m/s )j. Two…

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Q: Three forces acting on an object are given by  F1 = (−1.6î + 6.55ĵ) N, F2 = (4.75î − 1.2ĵ) N, and…

A: Given : F1 = (−1.6î + 6.55ĵ) N F2 = (4.75î − 1.2ĵ) N F3 = (−44.5î) N Acceleration (a) = 3.90 m/s2

Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…

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Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A: Mass of the vehicle m = 2.40 × 103 kg Initial velocity of the vehicle u = 25.0 m/s Final velocity of…

Q: Three forces acting on an object are given by F₁ = (−2.15î + 7.45ĵ) N, F₂ = (5.15î – 1.9ĵ) N, and F3…

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Q: A parachutist whose mass is 65 kg drops from a helicopter hovering 2500 m above the ground and falls…

A: Given Data:Mass of the person Height of the helicopter The proportionality constant when the…

Q: On a frictionless canvas a 5.5 kg block can slide along the x-axis and is subjected to a force of 80…

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Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

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Q: A stone used in the sport of curling has a mass of 18.0 kg and is initially at rest, sitting on a…

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Q: A boat has a mass of 6754 kg. Its engines generate a drive force of 4080 N, due west, while the wind…

A: The magnitude of acceleration can be calculated using following steps.

Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 7.9 ✕ 105…

A: The expression for acceleration of the train will be, a=Fma=7.9×105N1.2×107kga=6.6×10-2m/s

Q: The parachute on a race car of weight 8010 N opens at the end of a quarter mile run when the car is…

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Q: Why lightning are in zigzag path?

A: Lightning appears in a zigzag path because of the way it travels through the air. Lightning is an…

Q: How much heat is required to melt 30kg of ice at 0 °C to water at 10 °C? The latent heat of ice to…

A: Here, the ice is at the melting point. First ice will completely converted into water at the melting…

Q: A boat with mass of 2.6 * 10° kg is traveling at 1.5 * 10' m/s. What is the magnitude of the force…

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Q: A particle of mass 4.00 kg, moving on a horizontal table top, has an acceleration vector (in m/s2)…

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Q: Pushing a block over horizontal surfaces, a person examines their understanding of friction. In the…

A: The frictional force acts in the opposite direction of the motion of an object. If the object 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: Two men decide to use their cars to pull a truck stuck in mud. They attach ropes and one pulls with…

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Q: Two weights, each weighing m, are hung over a pulley. If an additional weight of 100 g is attached…

A: Here given two weights each are weighing m. They are hanged from a pully. There is an additional…

Q: An airplane slows to a stop as it moves along the runway.  Its mass is 3.50 x 105 kg, its speed is…

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Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…

A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2

Q: A powerful motorcycle can produce an acceleration of 3.50 m/s while traveling at 90.0 km/h. At that…

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Q: A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts…

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Q: What is the coefficient of friction between the tires and the surface?

A: Giiven: m= 2500 kg  Initial velocity =vi=14.0 m/s  Final velocity= 0 m/s  accelerartion due to…

Q: A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal…

A: According to the given data F=70 N S=10.5m t=4.80 sec. We need to find What is the mass of the…

Q: Three forces acting on an object are given by F, (-2.351 + 6.95j) N, F, (4.701 - 1.65j) N, and F,…

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Q: A 125 kg body sits at rest until 3 forces act up the body: F1 = 24.5 N @ 0o, F2 = 38.0 N @ 160o,…

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Q: The component of the force along the inclined plane due to mass of the body on a inclined plane is…

A: Option 4 is the right answer  Force of friction is 1400 N

Q: -5 A flea jumps by exerting a force of 1. 80 x 105 N straight down on the ground. A breeze blowing…

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Q: You are pushing a box, apply Fa = 90 N.  The box's mass is 25 kg.  The coefficients of friction are…

A: Given- Mass of box ,m =25 kg            Applied force on the box , Fa= 90 N          coefficients of…

Q: A 12 kg block sits on a ramp inclined at 11 degrees that has a coefficient of friction of 0.9. A…

A: Let the mass of the suspended weight be m and tension in the string be T.

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: