A box of mass 10 kg is pulled by a force of 50 N. The frictional force between the box and the ground is 20 N. Its initial velocity is 4 m/s., a) What is its velocity after 8 seconds? b) How far has it moved in 8 seconds?

Q: A 93300 kg train travels North with a constant speed of 7.78 m/s for 5 hours. The train's brakes are…

A:

Q: An 82 kg man drops from rest on a diving board 3.0 m above the surface of the water and comes to…

A: mass of man (m) = 82 kg initial speed of man (u) = 0 m/s Height of diving board above the surface of…

Q: A 55-kg woman holds a 8-kg package as she stands within an elevator which briefly accelerates upward…

A: Solution: Mass of the woman M=55 kg, mass of the package m=8 kg and, acceleration of the lift going…

Q: A 3.0 kg object is moving to the right at 4.0 m/s at time t = 0. It experiences a force F(t) = 3t2…

A:

Q: 40. Analyze the system of forces on the 1.0-kg mass below and determine the acceleration. ty F2 = 6…

A: Given: F1=12 N along -x axisF2=6N at 60° clockwise from  -x axism=1 kg

Q: A 1400-kg car is traveling with a speed of 14.9 m/s. What is the magnitude of the horizontal net…

A: Acceleration of the car is,

Q: If the rocket sled  starts with onlyone rocket burning, what is the magnitude of its…

A: (a) Apply Newton’s second law

Q: 6) The figure shows a block of mass 1.00 kg is on a frictionless 37.0° incline that is subject to a…

A:

Q: A 40 kg sprinter starts from rest and 2.0 s later is running at a speed of 8.0 m/s. What is the net…

A:

Q: A 50kg person is traveling at 100km/hr. a) What's the force on him/her if he/she decelerates 200…

A: Given , Mass of person, m = 50 kg Initial velocity, u = 100km/hr = 27.78m/s A) acceleration =…

Q: NEWTON'S LAWS OF MOTION 421 .10 A 0.150 kg particle moves along an x axis according to x(t) = -13.00…

A: The mass of the particle is 0.150kg, and the position of the particle as a function of time is…

Q: A constant 12.0-N net force acts for 3.0son a 3.0-kg object. What is the object's change of…

A: A force is an influence that can change the motion of an object. Here, we calculate the object,s…

Q: A 5.0 kg mass starts from rest at the top of an inclined plane 0.95 m long and slides down to the…

A:

Q: While skydiving, Dee Seperate opens her parachute and her 53.4-kg body immediately accelerates…

A:

Q: An object with a mass of 1.5 Kg accelerates 10.0 m/s2 when an unknown force is applied to it. What…

A:

Q: (II) A child on a sled reaches the bottom of a hill with a velocity of 10.0 m/s and travels 25.0 m…

A:

Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

Q: A 9.97 kg object speeds up from 18.68m/s to 50.58m/s over a distance of 115.3m. What is the…

A: The mass of the object is m = 9.97 kg. The initial velocity of the object is u = 18.68 m/s. The…

Q: A 1500 kg car moving at 20 km/h is accelerated ata constant rate of 4 m/s2up to a speed of 75…

A:

Q: Jane, who has a mass of 81.0 kg, is riding at 15.0 m/s in his new car when she must suddenly slam on…

A: Given: mass m = 81.0 kgspeed v = 15.0 m/stime to stop t =0.5 sec

Q: 4 How much force is needed to accelerate a toy car of mass 8 kg at 2m/s?? 2. A trolley of mass 20 kg…

A: 1.  Mass of the toy, m = 8 kgAcceleration, a = 2 m/s2Force, F = ? According to Newton's 2nd Law of…

Q: In baseball, a pitcher can accelerate a 0.15-kg ball from rest to 98 mi>h in a distance of 1.7 m.…

A:

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 10.88 kg object speeds up from 15.3 to 45.86 m/s over a distance of 137.42 m. What is the…

A: Given that m= 10.88 kg vi =15.3 m/s vf= 45.86 m/s  distance (x)= 137.42 m What is the acceleration…

Q: 7. Find the acceleration of an object when the force is 5.2 N and the mass is 2.6 x 102 kc O 50 m/s?…

A: Formula of acceleration is as follows: a=Fm…

Q: A clarinetist, setting out for a performance, grabs his 3.450 kg clarinet case (including the…

A: In this case, two forces acting on the clarinet case, one is the force by the clarinetist in the…

Q: A 77-kg woman holds a 7-kg package as she stands within an elevator which briefly accelerates upward…

A:

Q: nagine a landing craft approachlng the surface of the moon of a distant planet. If the englne…

A:

Q: A model rocket is launched up with a thrust of 44.2 N. At one point in its upward flight, the air…

A:

Q: An object accelerates 12.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of…

A:

Q: A powerful motorcycle can produce an acceleration of 4.00 m/s2 while traveling at 90.0 km/h. At that…

A:

Q: A horizontal force of 92.7 N is applied to a 54.5 kg crate on a rough, level surface. If the crate…

A: The equation of motion along the horizontal direction is

Q: A 863-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A:

Q: 2. mmh A boat has a mass of 6800 kg. Its engines generate a drive force of 4100 N due west, while…

A: Newton’s second law states that, ∑F=ma Newton’s third law says that whenever one object exerts a…

Q: At one point during a flight, a 8kg model rocket burning fuel, generating a 200N thrust and…

A: Given : m = 8 kg Fthrust = 200 N Fdrag = 90 N

Q: A 3.69x103 kg train is moving at a constant speed of 10m/s on a horizontal railroad track that…

A: initial speed u = 10 m/s mass m = 3.69 x 103 kg frictional force f = 500N Speed changes from 10 m/s…

Q: A 866-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given:

Q: A horizontal force of 5.0 N accelerates a 4.0-kg mass, from rest, at a rate of 0.50 m/s2 in the…

A: Applied force  Mass Acceleration

Q: A 490 kg rocket sled can be accelerated at a constant rate from rest to 2000 km/h in 2.1 s, What is…

A: mass (m) = 490 kg initial velocity (u) = 0 m/s Final velocity (v) = 2000 km/hr time (t) = 2.1…

Q: 4. Suppose a space probe which has a mass of 474 kg, is travelling at an initial speed of 275 m/s.…

A:

Q: Three forces acting on an object are given by (-1.95i + 5.70) N, , (s.30l-1.75) N, and , (-49.5) N.…

A: According to bartleby experts Honor code , first three subparts of the question have been solved.

Q: A box with mass 32.5 kg rests on a frozen pond, which serves as a frictionless horizontal surface.…

A: mass of box (m) = 32.5 kg Surface = frictionless Applied force (F) = 14 N

Q: A 3.45-kg object is moving in a plane, with its x and y coordinates given by x = 3t2 - 3 and y = 2t3…

A:

Q: A 15080 kg car is traveling with a pseed of 15.0 m/s. What is the magnitude of the horizontal net…

A: Given mass of the car M = 15080 kgInitial Speed of the car v = 15 m/sQuestion is to find the net…

Q: As a protest against the umpire’s calls, a baseball pitcherthrows a ball straight up into the air at…

A:

Q: In a head-on collision, a car stops in 0.10 s from a speed of 14 m/s. The driver has a mass of 70…

A: A car stops in 0.10 seconds after colliding and the final velocity becomeszero.We can apply Newton's…

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: