A bus with mass 3.50 x 102 kg, including passengers, has an engine that produces a net horizontal force of 7.70 x 102 N, after accounting for forces of resistance (a) Find the acceleration of the bus. (b) Starting from rest, how long does it take the bus to reach a speed of 12.0 m/s? (c) After reaching this speed, the driver turns off the engine and drifts to a stop over a distance of 50.0 m. find the resistance force, assuming it’s constant.

Q: An object of mass 5 kg kept on a rough surface is pulled by a forward force of 18 N. If the object…

A:

Q: A freight train consists of two 8.00x104 kg engines and 45 cars with average masses of 5.50x104 kg.…

A: Let F be the force with which the engines pull the cars, f be the frictional force acting backwards…

Q: An object of mass m is in free fall with the free-fall acceleration of magnitude g. Neglecting the…

A:

Q: A freight train has a mass of 1.5x 10^7kg. If the locomotive can exert a constant pull of 7.5x 10^5N…

A: Mass of the train is m=1.5×107 kg The locomotive can pull with a force, F=7.5×105 N As the the train…

Q: There are two forces on the 2.00 kg box in the overhead view of but only one is shown. For  F1 =…

A: Given, there are two forces on the mass m = 2.00 kg box in the overhead view of but only one is…

Q: In the figure, a chain consisting of five links, each of mass 0.147 kg, is lifted vertically with a…

A: Mass of each link is m = 0.147 kg  Upward Acceleration is a = 2.38 m/s2

Q: A toy rocket engine is securely fastened to a large puck that can glide with negligible friction…

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Q: A 10 kg block sits on a horizontal surface and is pushed parallel to that surface. The coefficients…

A: Given data:  Mass (m) = 10 kg Coefficient of static friction (μs) = 0.2 Coefficient of kinetic…

Q: A hot-air balloon of mass 250 kg is descending vertically with downward acceleration of magnitude…

A: Solution: Given that mass M = 250 kg downward acceleration, a = 1.6 m/s2 mass to be thrown out to…

Q: A block of mass 132 kg lies on a horizontal plane. A horizontal force F of magnitude 1140 N is…

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Q: Two forces FA and FB are applied to an object whose mass is 11.9 kg. The larger force is FA. When…

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Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 6.9 ✕ 105…

A: freight train has a mass = 1.2 ✕ 107 kg vi = 0 m/s vf = 70 km/h = 19.44 m/s F(locomotive) = F(pull)…

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: In the figure, a chain consisting of five links, each of mass 0.147 kg, is lifted vertically witha…

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Q: At t = 0, an object of mass m is at rest at x = 0 on a horizontal, frictionless surface. A…

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Q: Two horizontal forces act on a 2.7 kg chopping block that can slide over a frictionless kitchen…

A:

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105…

A: From Newton’s second law of motion.

Q: A block of mass m = 16.8 kg is sliding on a surface with initial velocity v = 23.2 m/s. The block…

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Q: Two people are pushing horizontally on a crate of mass 100 kg. One person is pushing from the right…

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Q: An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45…

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Q: If the 1 kg standard body has an acceleration of 2.00 m/s2 at 20.0 to the positive direction of an…

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Q: A freight train has a mass of 1.5 x107 kg. If the locomotive can exert a constant pull of 7.5 x 105…

A: Since there is no frictional force here then by Newton's 2nd Law our force equation will be:…

Q: Three forces act on an object, considered to be a particle, which moves with constant velocity v =…

A: Given  The value of force F1 is F→1 = 3î + 5ĵ − 6k̂ N . The value of force F2 is F→2 = 4î - 7ĵ + 2k̂…

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 0.150 kg particle moves along an x-axis according to x(t)=-13.00 + 2.00t + 4.00 t^2-3.00t^3, with…

A: The acceleration of the particle at the given time is,

Q: A helicopter (of mass 2000 kg) produces a lift force of 15000 N directed at 70 degrees above the…

A:

Q: he movers are trying to get a heavy crate (mass m) up a ramp into the loading dock of a uilding. One…

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Q: A person in a boat starts paddling, and it accelerates from 0 to 0.70 m/s in a distance of 0.51 m.…

A: Given,  mass of boat ,m = 83 kg distance, s = 0.51m Initial velocity, u = 0m/s Final velocity ,v =…

Q: An object of mass 3 kg moves towards the negative x axis with a constant speed of 8 m/s and the…

A: Answer              11.466N

Q: A block of mass 2.5 kg is given a push such that it slides across a table with an initial velocity…

A: m = 2.5 kg initial velocity = 1.5 m/scoefficient of kinetic friction = 0.3using, acceleration = -…

Q: A block of mass m1 = 14.5 kg is on a frictionless table to the left of a second block of mass m2 =…

A:

Q: A 6.00 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward…

A: Write the given expression for position

Q: The forces acting on a sailboat are 390 N north and 180 N east. If the boat has a mass of 270 kg,…

A:

Q: A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line…

A: (a) When the line is moving at constant speed, the acceleration and hence the net force on the…

Q: In a laboratory experiment, an initially stationary electron (mass = 9.11 x 10–31 kg) undergoes a…

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Q: The velocities of a 3.0-kg object at t = 6.0 s and t = 8.0 s are (3.0i ^ − 6.0j ^ + 4.0k ^ ) m/s and…

A:

Q: A rocket is launched vertically from the Earth, and the thrust (pushing force) from the engines is…

A:

Q: 15. Which is TRUE when the resultant of all the forces acting on the body is zero? Group of answer…

A: Given net force on body is zero ∑F =0

Q: A free-body diagram of a particle subjected to the action of four forces is shown in Fig.2.29.…

A: Given: F4=10 kipF3=40 kip The system is in equilibrium.

Q: A force of 12 N was used to pull a 6.0 kg block initially at rest along a horizontal surface that…

A:

Q: A fisherman is fishing from a bridge and is using a "32.0-N test line." In other words, the line…

A: Write a given value of this question. F=32.0N

Q: Kevin works as a janitor, and he is pushing a fully-loaded recycling bin that weighs 557 N across…

A: Given Data : The weight of the bin is given as W = 557 N. The force applied by angle Kevin is given…

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 8.2 ✕ 105…

A: Given data The mass is, m=1.0x107 kg The force is, F= 8.2x105 N The initial speed is u=0 km/h = 0…

Q: Two thieves want to steal a 1mx1mx1m Lazada Mystery Box worth of 1million pesos that is placed on a…

A:

Q: A object of 100 kg tracing with the acceleration of 2.5 m/s^2 . If the friction force between the…

A: Given value--- mass = 100 kg. acceleration = 2.5 m/s2.  friction force = 50 N. We have to find---…

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: