a = 2 m/s 800 N- Figure 2.54 Problem 11.

Q: With bumpers touching, a 3,773 kg truck is pushing a 1,103 kg car. The truck and the car move…

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Q: Bob pushes on a frictionless cart of mass 6.9 kg and the cart has an acceleration of 7.7 m/s2. If…

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Q: wooden table. If you apply a horizontal force of 3 N to the block. Using your knowledge of friction…

A: Mass(m) = 0.1 kg Applied force (F) = 3 N

Q: A T-Rex is trying to jump straight up. If he has a mass of 5200 kg, and we know that the…

A: Given data, Mass of the T-Rex m=5200 kg Acceleration due to gravity g=9.8 m/s2

Q: a 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

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Q: A force of 1060 N is needed to bring a car moving at 20.1 m/s to a halt in 18.7 s. What is the…

A: force = 1060 N u = 20.1 m/st = 18.7 s

Q: A man with a mass of 100 kg stands on a scale (measuring Newtons) inside a lift that is accalerating…

A: Given data: Mass of man is, m=100 kg. Magnitude of acceleration is, a=4 m/s2.

Q: Bob pushes on a frictionless cart of mass 6.8 kg and the cart has an acceleration of 1.2 m/s2. If…

A: Mass, m = 6.8 kg Acceleration, abob = 1.2 m/s² Acceleration, abill = ?

Q: Bob pushes on a frictionless cart of mass 22.5 kg and the cart has an acceleration of 1.3 m/s2. If…

A: Solution:-  1) According to the Newton's second laws of motion, the net force acting on an object is…

Q: A 69-kg person is standing on a scale in an elevator moving downward. If the scale reads 705 N, what…

A: Given : Mass of a person (m) = 69 kg Reading on a scale (R) = 705 N

Q: Sarah stands on a bathroom scale inside an elevator. Sarah's mass is 50 kg. What does the scale read…

A: Given Mass is m=50 kg Acceleration due to gravity is g=9.80 m/s2 Uniform Velocity of elevator is…

Q: A 4500 kg jet reaches a takeoff velocity of 70 m/s after accelerating from rest for 700 m down the…

A: The problem is asking us to determine the net force required by the jet's engines in order to…

Q: The net force on a 10 kg object is 40 N.  If it is initially moving at 18 m/s, how long will it take…

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Q: gideon pushes his toy box across the kitchen floor with an acceleration of 0.50 m/s2 to the right.…

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Q: You are standing on the floor of a stationary elevator.  You weigh 99.7 kg, what is the magnitude of…

A: Given  Mass of man m=99.7kg Free body diagram is shown below

Q: Bob pushes on a frictionless cart of mass 12.5 kg and the cart has an acceleration of 11.3 m/s². If…

A: According to Newton second law F= MA HERE F is applied force M is mass of object A is acceleration…

Q: An 800 lb person stands in an elevator that moves upward slowing with a g/4 downward acceleration.…

A: Draw the free-body diagram of the person.

Q: It takes the elevator in a skyscraper 3.0 s to reach its cruising speed of 9 m/s. A 50 kg passenger…

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Q: A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 845…

A: Given that,  Mass of the man, m = 77 kg Scale reading (Normal force), FN = 845 N  Acceleration of…

Q: A person stands on a scale inside an elevator at rest. The scale reads W=666 N. The elevator moves…

A: from the second law of motion F=ma here  F=force acting on the person by the surface of the elevator…

Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: A jet aircraft with a mass of 4,550 kg has an engine that exerts a force (thrust) equal to 59,200 N.…

A: Given: The mass of a jet aircraft is m = 4550 kg. Force exerted by the engine is F =59200 N.

Q: An object is moving at 50 m s–1 north. A southerly force acts on it, producing an acceleration of 20…

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Q: A 25-kg fox accelerates at a constant 8.5 m/s², from 1.3 m/s to 16.7 m/s. Neglecting air resistance,…

A: Given Mass of box is m=25 kg Acceleration of fox is a=8.5 m/s2 According to Newton's second law,…

Q: What is the bullets acceleration?

A: Given:- The force on the bullet = 3.9 N  The mass of the bullet is m = 6.2 g = 6.2 x 10-3 kg  Find:-…

Q: A force of 2.4 N is exerted on a 7.0 g rifle bullet. What is the bullet's acceleration? Your Answer:

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Q: a 75 Kg person stands on a scale that reads 500 Newtons, The person is pulling on a rope that is…

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Q: How much would a 80.0 kg person weigh in Newtons on the planet Vulcan, where the acceleration of…

A: Given data:  Mass (m) = 80.0 kg Acceleration due to gravity (g) = 13.7 m/s2 Required: The weight in…

Q: A person stands on a scale inside an elevator at rest. The scale reads 787 N. what is the person's…

A: Weight , W = 787 N  g = 9.8 m/s2  To find = Mass

Q: A stone is pushed with a horizontal force of 1.0 N and accelerates horizontally at a rate of 0.5…

A: Horizontal force of the stone is given as, FH = 1.0 N The acceleration of the stone is calculated…

Q: You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and…

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Q: Two people play tug of war. The 100-kg person on the left pulls with 1,200 N, and the 70-kg person…

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Q: Someone (whose mass is 60 kg) is standing on a scale in an elevator that is accelerating upward,…

A: By newtons law we know that net force acting on an object is given by  Fnet=ma Where m is mass of…

Q: It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the…

A: The car's motion is, m=1500 kg The initial speed of the car is, u=20 m/s The distance traveled by…

Q: A force of 2.10 N Is exerted on a 6.70 g rifle bullets. What is the bullets acceleration? (write…

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Q: A 35.0-kg dolphin decelerates from 12.0m/s to 7.50 m/s in 2.30 s to join another dolphin in play.…

A: If the dolphin decelerates from 12 m/s to 7.50 m/s with in 2.30 s, then its acceleration is,…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!