A figure skater has a mass of 40 kg and her partner's mass is 50 kg. She pushes against the ice with a force of 120 N, causing her and her partner to move forward. Calculate the pair’s acceleration. Assume that all forces opposing the motion, such as friction and air resistance, total 5.0 N.

Q: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s³)t²+ (2.00 m/s²)t. The…

A: Force acting on any object is equal to the rate of change of momentum of that object. It is given by…

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

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Q: An object travels 7.5 m/s toward the west. Under the influence of a constant net force of 5.2 kN,…

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Q: When a certain force is applied to an object (object A) with a mass of 7 kg, its acceleration is 4.0…

A: we know that force is given by F = ma where m is the mass a is the acceleration

Q: A force produces 3 m/square second acceleration to a 4 kg ball. The mass of the ball whose…

A: A force produces acceleration  of 3 m/s2 in 4 kg ball. We need to find how much is the mass of a…

Q: 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: 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: If it actually hits the ground with a speed of 9.00 m/s, what is the magnitude of the average force…

A:

Q: A body of unknown mass and resting on a horizontal ground is applied an upward force of 100 N at a…

A: Given data:  Upward force (F) = 100 N Normal force (FN) = 96 N Required: Mass of the body  FBD

Q: A man is texting on his phone as he drives his car at 40 kmph, he suddenly notices a child is…

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Q: Two objects of mass m1= 4kg and m2 = 7kg are connected by a light string that passes over a…

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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: When you push downward an object with a force F, the normal force is equal to * Gravitational force.…

A: Given, Pushing Force F on object Let the mass of an object is m kg As we know that Normal force is…

Q: A kid of mass 10.0 kg jumps in a wooden chair of mass 8.00 kg. What is the amount of force that the…

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Q: A 20 kg object is having an acceleration of 4 m/s in the North direction; the net force acting on…

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Q: A boat with mass of 6.7 * 10 kg is traveling at 1.2 * 10' m/s. What is the magnitude of the force…

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Q: A constant net force of 1600 N gives a toy rocket an acceleration of 1.6 m/s. What is the mass of…

A: Given, Force, F=1600 N and, Acceleration, a=1.6 m/s2 According to Newton's second law of motion,…

Q: 5,400 kg freight truck accelerates from 8 m/s to 43 m/s in 1.0 s by applying a constant force. How…

A:

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as…

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Q: The figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless…

A: It is clear from the figure that the block m­2 has more  mass so that it accelerates down ward and…

Q: A person with a mass of 72.kg sprints with an acceleration of 6.3 m/s^2. What is the magnitude of…

A: Given data: mass, m= 72.kg  acceleration, a= 6.3 m/s2.

Q: In a performance test, each of two cars takes 9.6 s to accelerate from rest to 26 m/s. Car A has a…

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Q: .333 kg ball, initally at rest moves a distane of 5.0 m in 1.25 s. what is the magnitude of the…

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Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

A:

Q: Three blocks are in contact with each other on a frictionless, horizontal surface, as shown in the…

A: Data Given , Masses of the three blocks ,  m1 = 2 kg  m2 = 3 kg  m3 = 4 kg  Total Horizontal force (…

Q: . What is the acceleration of the airplane? Answer in units of m/s 2.

A:

Q: 2. The only force acting on a 10-kg object has components Fx = 60 N and Fy = 80 N. Find the…

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Q: An airplane of mass of 5000 kg has to perform an emergency landing.it makes contact with the ground…

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Q: Three forces act on a 5-kg object: F1 = -2.0i + 3.0j N, F2 = 5.0i + 3.5j N, and F3 = 0.5i- 1.0j N.…

A:

Q: m, m2 The blocks slide WITHOUT friction. The mass of block 1 is m1= 5.5 kg. Block 2 has a mass of…

A: Acceleration is define as change in velocity with respect to time So acceleration=20-0/1.4…

Q: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s3)t2+ (2.00 m/s2)t.  The…

A:

Q: A net force of 20 N exerted on a wooden block produces an acceleration of 4 m/s2. The mass of the…

A:

Q: Assume that the velocity V of fall of an object depends on the height H through which it falls, the…

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Q: The figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless…

A: (given) Mass of block 1 = 1.90 kg Mass of block 2 = 2.80 kg The only forces on the blocks are the…

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Q: A net force of 20 N exerted on a wooden block produces an acceleration of 4 m/s. The mass of the…

A: F = 20 N a = 4 m/s2

Q: An 3.5 kg object experiences the following forces: • 31 N [Right] • 93 N [Left] Determine the…

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Q: A box with mass 25.1 kg has an initial velocity of 2.66 m/s when a woman starts pushing the box with…

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Q: An object is acted on by three simultaneous forces: F→1 = −3.00i ^ + 2.00j ^ N , F→2 = 6.00i ^ −…

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Q: In a fit, a toddler throws straight down his favorite 1.5 kg toy with an initial velocity of 2 m/s.…

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Q: A person pushes a 0.20 kg lunch tray across a table, and it slows down as it slides because of…

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Q: Two forces act on an object with F1 = (5.914 + 11.722) N and F2 = (−13.854 + 7.965) N. What is the…

A: The given forces are F1=5.914i^+11.722j^F2=-13.854i^+7.965j^

Q: A hockey player slaps a puck into a cushion, which brings the puck to rest.  If the puck's initial…

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Q: A man of mass M= 75.0 kg and woman of mass m= 55.0 kg stand facing each other on an ice rink, bouh…

A: Mass of man =75.0 kg Mass of woman = 55.0 kg Force applied = 85.0 N a)- Acceleration of man (a) =…

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: