A 0.25 kg ball is dropped from a 30 meter building. At the same time, a 2 kg ball is thrown downward with a 50 N force. Neglecting air resistance and after it is thrown, the ball will have an acceleration A. (a) equal to 8 times that of the dropped ball. B. (b) equal to 1/8 of that of the dropped ball. C. (c) equal to that of the dropped ball. D. (d) always larger than, but not always 8 times larger than, that of the dropped ball. E. (e) always smaller than, but not always 8 times smaller than, that of the dropped ball.

Q: A man weighing 700 N is in an elevator that is accelerating upward at 4 m/s2. The force exerted on…

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Q: A net force of 15kg object is moving with an acceleration of 5 m/s². The net force acting on the…

A: According to second law of motion ,  net force = mass * acceleration

Q: A baseball with the mass of 150. g is released from a roof of a 78.5 m building. a) Determine the…

A: Mass = 150 g Height = 78.5 m Average force = 0.165 N Average acceleration =? Time of the fall =?

Q: A heavy ball with a mass of 4.5kg is observed to accelerate at a rate of 7.0m/s2. What is the size…

A: Mass of the ball (m) =4.5 kg Acceleration (a) = 7 m/s2

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

Q: A wooden box (20 kg) is released from rest on a 0 = 25° concrete incline (us attached to a string…

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Q: A 4.0 kg sphere and 8.0 kg sphere are both dropped from the same height at the same time. If the two…

A: If the objects are under free fall, the only force acting on the object is gravity . Ans also, in…

Q: A block is on a frictionless table, on the Earth. The block accelerates at 6.8 m/ when a 18 N…

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Q: A 2.44 kg road runner skids to a stop, from an initial velocity of 6.85 in 2.23 s. What was the…

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Q: In Newton's Second Law F = ma; if we will double the mass of the object while keeping the force…

A: Given data as per question maas is doubled and force is constant m1   =  0.350kg m2  =  0.350kg2 u1…

Q: A 12 kg block is placed on a frictionless air table. A 7 kg block is placed on top of the 12 kg…

A: Given information: The mass of the smaller block (m) = 7 kg The mass of the heavier block (M) = 12…

Q: A 30 kg cannonball is shot at a sailing ship. When it hits the wooden sides of the ship, it just…

A: Explanation The cannonball is shot at the sailing ship. It applies a force of F=200000 N to the…

Q: A 2.3 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed…

A: By work energy theroem: Work done by force = gain in kinetic energy of toy car Work done by force =…

Q: At the end of an amusement park ride, it is desirable to bring a gondola to a stop without having…

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Q: 2. A basketball star exerts a force of 3350N upon the gym floor in order to accelerate his 78kg body…

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Q: A 1.0 kg block is placed on a ramp with an angle of inclination of 30.0 degrees. What is the angle…

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Q: A football punter accelerates a 0.51 kg football from rest to a speed of 7.2 m/s in 0.23 s, what…

A: A football punter accelerates a 0.51 kg football from rest to a speed of 7.2 m/s in 0.23 s, what…

Q: A person stands on a scale inside an elevator at rest. The scale reads 1800 N. (a) The elevator…

A: Given that a person stands on a scale which is inside the elevator and at rest scale reads…

Q: A teacup fell was left on the wing of a fighter jet and did not fall until the jet was already very…

A: When object falls with a constant velocity the drag force on it is equal to the gravitational force…

Q: When a constant force is applied to an object, the acceleration of the object varies inversely with…

A: Given: The mass of the first object is 25 kg. The acceleration of the first object is 3 m/s2. The…

Q: 19. What does Newton's first law of motion state? Force equals mass times acceleration. An object…

A: So, let me first state the Newton second law of motion here because three among these options are…

Q: Seth wants to drag a 20.0 kg. sled over a flat field.  He pulls on the rope horizontally, and the…

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Q: A diver of 50kg jumps from a platform 20m high into a pool. If the diver decelerates at a constant…

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Q: 2. A 10 kg block on a frictionless, horizontal surface is pulled by a string that passes over a…

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Q: 21. On the Superman roller coaster, you are able to experience an acceleration of 4.5 gs. If one g…

A: the acceleration experienced by man= 4.5g  where, g=9.8 m/s2 mass of person= m=65 Kg To find- Net…

Q: A skydiver ejects from his aircraft and falls 80 m from the ground without friction. When he opens…

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Q: A 2400 kg elevator accelerates upward at 1.40 m/s² for 15.0 m , starting from rest.

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Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

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Q: What is the objects acceleration?

A: Given data: The net force applied to the object is: Fnet=5.6 N The mass of the object is: m=14 kg…

Q: A net force of 15kg object is moving with an acceleration of 5 m/s². The net force acting on the…

A: Given:-  mass of object = 15kg acceleration = 5m/s2

Q: 65. Which graph best represents the motion of an object on which the net force is zero? Time Time…

A: Option 1 is the correct answer .

Q: A rope is used to pull a 2.89kg bucket of water out of a deep well. What is the acceleration of the…

A: The net force is, T-mg=maa=T-mgma=Tm-ga=30.2 N2.89 kg-9.80 m/s2a=0.65 m/s2

Q: According to Newton's 15t law of motion, if the net force acting is zero, a moving object increases…

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Q: A person pushes a parked car of mass 400 kg with a force of 2 (2) 200 Newtons until its velocity is…

A: M= 400kg  F= 200N  It is being pushed until it's velocity 5m/s

Q: 136) A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete…

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Q: A 12-kg sled sliding freely on an icy surface experiences a 4-N frictional force exerted by the ice…

A: Given that-  Mass of the sled is 12Kg. Frictional force exerted by the ice is 4N. Air- resistive…

Q: A 10-kg rock and 20-kg rock are dropped from the same height and experience no significant air…

A: Given : Time taken by 20 kg rock to reach ground = T Required : Time taken by the 10 kg rock to…

Q: 5. The force, expressed in newton, experienced by a 2.5 kg object is described by the following…

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Q: A 4-kg object is falling with an acceleration of 7 m/s/s. What is the magnitude of the air…

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Q: Alistair places a 6.40 kg block on an inclined plane that is 23° above the horizontal. The block…

A: Mass of block (m) = 6.40 kg θ = 23otime (t) = 2.20 secondsInitial velocity (u) = 0 msdistance…

Q: A ball with mass 0.85 kg is thrown upward with initial velocity 10 m/s from the roof of a building…

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Q: 6. What would be the velocity of an object that started at 78 meters and ended at 135 meters if it…

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Q: A 4.0-kg object's velocity-vs-time graph is shown below. What is the net force on the object when t=…

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Q: A 39.0-kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

A: Given: Mass of woman(m)=39kg Acceleration(a)=7.6m/sec2   To determine that Determine the reading on…

Q: A 1550-kg car slows from a speed of 27 m/s to a speed of 15 m/s over a time period of 3.0 seconds.…

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: