a 2kg model helicopter has a velocity of (4 m/s) at t = 0s. It is accelerated at a constant rate for 2 seconds after it has a velocity of (6 m/s)i + (12 m/s)j. What is the magnitude of the resultant force acting on the helicopter during this time interval?

Q: In earlier days, horses pulled barges down canals in the manner . Suppose the horse pulls on the…

A: Given information: Here, F force with which the horse pulls the barge, θ is the angle at which the…

Q: 4.10 * A dockworker applies a constant horizontal force of 80.0 N to a block of ice on a smooth…

A: The force, F=80 N   The distance, ∆x=11.0 m   The time interval, t=5.0 s

Q: A 55.0 kg object traveling at 8.50 m/s is brought to rest in a time of 1.10 s. What is the average…

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Q: 4.)Two blocks, A (mass=5.00 kg) and B (mass= 10.0 kg) are suspended by a cord on either side of a…

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Q: person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s. What is…

A: Bucket is moving with constant speed So acceleration is zero .from Newton's 2 Nd law of motion  F =…

Q: A 2150-kg truck is traveling along a straight, level road at a constant speed of 55.0 km/h when the…

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Q: Solve problems about the Newton Law of Motion The 125 kg rocket has an engine that generates a…

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Q: A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete stop…

A: Given? = 1100 ?? (mass of the car)? = 27 ?? (initial speed of the car)? = 578? ( traveled distance)

Q: A car that weighs 13300.0 N is initially moving at a speed of 53.0 km/he when the brakes are applied…

A: Given data: Weight of car is, W=13300.0 N. The initial speed is, u=53 km/h=14.72 m/s. Final speed…

Q: Problem 1: A stationary soccer ball of mass m = 0.74 kg is kicked with a constant force of F = 19 N.…

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Q: Rafael drops a hard rubber ball, of mass m = 110 g, onto the pavement. He drops it from a height h1…

A: (1) In this, we have to write the expression of magnitude of impulse.

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A: Given:T2=50N m1=7 kg m2=11kg

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A:

Q: : A machine part having a mass of 5 Kg slides along a rail aligned with the x axis .Its position is…

A: Given:- mass of the machine part m= 5kg  its position is a function of time t as  x=18t2-3t Find:-…

Q: A motorcycle and rider have a total mass equal to 300 kg. The rider applies the brakes, causing the…

A: Given mass M = 300 kg  acceleration = -5m/s2 we have to find out net force on motorcycle

Q: school physics. Formula: 1/2 mv2 + Fd cos theta = 1/2      A 1600 kg car is moving along a level…

A: Given  Mass m = 1600 kg  Initial velocity u = 35 m /s distance travelled s = 60 m  Force F = -800 N

Q: Two soccer players kick a soccer ball simultaneously exerting horizontal forces of F1 = 138 N at θ…

A: F1= 138 N, 33.9 degrees north of west F2= 258 N, 43.3 degrees east of south mass = m = 0.42 kg

Q: 4.6 kg toy race car can move along an x axis. The figure below gives Fx of the force acting on the…

A: Given, Mass of toy car ,m = 4.6 kg The graph of Fx vs t. We know that area under acceleration vs…

Q: A 2.75-kg cat moves in a straight line (the x-axis). Figure E4.14 shows a graph of the x-component…

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Q: Review Conceptual Example 16 as background for this problem. The water skier there has a mass of…

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Q: A 2150-kg truck is traveling along a straight, level road at a constant speed of 55.0 km/h when the…

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Q: A stationary soccer ball of mass m = 0.56 kg is kicked with a constant force of F = 28 N. The…

A: Mass of the ball, m = 0.56 kg Force applied on the ball, F = 28 N Time of contact, t = 0.35 s

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A: Given : Force by which football player kicks the football = 400 N

Q: 3+ Force (N) 2- 4 6. 8 10 12 14 16 18 20 22 Displacement (m) A 0.20 kg object moves along a straight…

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Q: Question 4.10

A: When body moves from rest then its initial velocity is zero. When body accelerates with positive…

Q: 8. Carol, who weighs 60 kg, is driving her car at a speed of 25 m/s. She sees a dog crossing the…

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Q: 3 Force (N) 2- 4 6. 8 10 12 14 16 18 20 22 Displacement (m) A 0.20 kg object moves along a straight…

A: a) The acceleration of the object is given by, b)

Q: A 500 g model rocket accelerates from 20 m/s [up] to 45 m/s [up] in 0.70 s. A) What is the net force…

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Q: F D three blocks are in contact with each other and their masses are: m (A) = 44.4 kg, m (B) = 34.4…

A: By newton's second law of motion. F=ma Fk=frictional force= μN

Q: A net force is applied in the positive directions to an object moving in one dimension. The graph of…

A:

Q: 6. A block of ice with mass 4.00 kg is initially at rest on a frictionless, horizontal surface. A…

A: Mass of ice block, m=4 kg Position of block, x(t)=αt2+βt3, where α=0.150 m/s2     and…

Q: During an autumn storm, a 0.012 kg hail stone travelling at 20.0 m/s made a 0.20 cm deep dent in the…

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Q: 25. A spaceship is initially moving in outer space turns off its engine such that the spaceship does…

A: A spaceship is initially moving in outer space turn off its engine such that thespace ship does not…

Q: = -3x N, where x is in meters. The velocity of the body at The only force acting on a 3.8 kg body as…

A: a)The equation for x-component of the acceleration of the body is given by, Substitute the…

Q: A 83.0 kg person is being pulled away from a burning building as shown in Figure 4.27. Calculate the…

A:

Q: A box of mass 21 kg moves with a constant velocity of (4, 8, –4) m/s. Three forces are exerted on…

A: Given data:  Velocity of box is constant F1→ =1, 0, 3 NF2→ =-5, -1, 19 N Required: Third force

Q: In the figure, a crate of mass m= 107 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: The combination of “crumple zones” and air bags/seatbeltsmight increase the distance over which a…

A: mass, m = 65 kg  initial velocity, u = 18 m/s  final velocity, v = 0 m/s  distance, d = 1 m

Q: A truck of mass 10 000 kg pulls a trailer of mass 6 000 kg along a level road. The truck and trailer…

A: Let T be the connecting force between Truck and trailer

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Q: A10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: In the figure, a crate of mass m = 88 kg is pushed at a constant speed up a frictionless ramp (0 =…

A: Mass of the crate, m = 88 kg Angle of inclination of ramp with horizontal = 30o

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: