A train locomotive pulls a train with a mass of 1.00 ✕ 107 kg on level rails. The locomotive exerts a constant force of 6.90 ✕ 105 N on the train. How much time does it take to increase the speed of the train from rest to 68.0 km/h? (Ignore any resistance force from the rails on the wheels of the train. Enter your answer in minutes.)

Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 7.3 ✕ 105…

A: Given,

Q: A force F horizontal is pushing a block with a mass m = 10 kg. The normal force acting on this block…

A: normal  force = vertical downward force =mg+Fsinθ

Q: A 3.00-kg object undergoes an acceleration given by a=(2.00i + 5j) m/s?. Find the resultant force…

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: A freight train has a mass of 1.1 x 10' kg. If the locomotive can exert a constant pull of 7.0 x 105…

A:

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: law x (1) q = 4 ms- A body of mass 2 kg travels according to the = pt + gi + rt where p = 3 ms- and…

A:

Q: 3.00 x 103 kg 2.00 x 103 kg The two barges shown here are coupled by a cable of negligible mass. The…

A: The given data are: m1=2×103 kgm2=3×103 kgF=19×103 Nf1=8×103 Nf2=10×103 N

Q: A locomotive pulls 10 identical freight cars of mass =1.0×10^5 kg with an acceleration of =3.0…

A: The number of identical cars = 10 Mass of each car m = 1.0×105 kg Acceleration a = 3.0 m/s2

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: An object of mass 10 kg is dragged, at a constant velocity, across a horizontal surface, pulled by a…

A:

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: 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 man pulls a 48.0 kg box horizontally from rest while exerting a constant horizontal force,…

A:

Q: A runner with mass 100 kg run at speed 25km/h on a wet road with friction force equal to : * O 245.2…

A:

Q: When a bug hits the windshield of a moving car, why does the bug get "squished" while the car…

A: This can be taken as the case of inelastic collision. The car is moving at a very high speed and the…

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

A:

Q: A block with a mass of (m = 93.0 kg) accelerates horizontally from 2.10 m/s to 14.5 m/s in a…

A: Given that the velocity of block increases by some given value over a certain distance, we need to…

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: A pebble of mass 0.05 kg is thrown vertically upwards. Give the direction and magnitude of the net…

A: Acceleration due to gravity, irrespective of the direction of motion of an object, always acts…

Q: A bicyclist of mass 65.0 kg (including the bicycle) can coast down a 6.0 degree hill at a steady…

A:

Q: A person whose weight is  516 N is being pulled up vertically by a rope from the bottom of a cave…

A:

Q: A car of mass 1371 kg accelerates from rest to 16.9 m/s in 5.17 s. How much force was required to do…

A: Given:- m=1371 Kg t= 5.17 s u= initial velocity= 0 m/s v= final velocity= 16.9 m/s Lets find the…

Q: Three forces acting on an object are given by F, = (-1.9î + 7.45j) N, F, = (4.70î - 1.5j) N, and F,…

A: F1→ = -1.9i^ + 7.45j^ F2→ = 4.70i^ - 1.5j^ F3→ = 42i^  acceleration a = 4.00 m /s2  To find =…

Q: Two hockey players strike a puck of mass 0.168 kg with their sticks simultaneously, exerting forces…

A:

Q: he figure below, a chain consisting of five links, each of mass 0.119 kg, is lifted vertically with…

A: According to Newton second law  F =ma

Q: A boat has a mass of 6769 kg. Its engines generate a drive force of 4039 N, due west, while the wind…

A:

Q: An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the…

A: In this question we have to calculate which is greater T or w. Please give positive feedback if the…

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: A boat moving with a velocity of 10m/s, towards west is acted upon by a pair of balanced forces.…

A:

Q: A 2.00 kg object is subjected to three forces that give it an acceleration a = -(8.00m/2)i + (6.00…

A:

Q: A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 7.5 × 105…

A:

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 freight train has a mass of 1.4 x 10' kg. If the locomotive can exert a constant pull of 6.8 x 105…

A:

Q: Two known forces, F1=2.95 N at 78 degrees above the x-axis and F2=3.55N at 39 degrees below the…

A:

Q: 2. A car of mass 1000 kg travelling along a straight path accelerates uniformly Trom 15 m s"| 40 25…

A:

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

A: Given information:Mass of the train (m) = 1.1 × 107 KgForce the locomotive can exert (F) = 7.4 × 105…

Q: A mysterious rocket-propelled object of mass 46.5 kg is initially at rest in the middle of the…

A: Given Mass of object is m = 46.5 kg Applied force is F(t) = (16.4 N/s)t According to Newton's…

Q: Two forces (17.0 N at 26.0° south of east, and 52.0 N at 58.0° north of west) are applied to a 200…

A:

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: 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---…

Q: When the net force acting on a body is zero, a. The body must be at rest b. The body must have a…

A: Answer:- (c) the body must be moving with a constant velocity

Q: Ahmed is pushing a box with a force 53 N, in the West direction. Salim is pushing the same box with…

A: Write the given values of this problem. F1=53 NwestF2=25 NEast

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: