2 m/s 4 m/s 6 m/s A

Q: 1)A person jumps from a wall and lands stiff-legged. Which statement best explains why the person is…

A: (1) The expression for Newton's 2nd law is given as, F=ma Since the mass of the person remains…

Q: A sunfish sailboat is a small sailboat, typically used for one or two people. The mass of the boat…

A: The following figure shows the free body diagram:

Q: on it, as shown below. The mass of the car is 1000.0 kg. The road is slick, so friction can be…

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Q: Q1) The blocks A and B shown in the figure are originally at rest, and all contact surfaces are…

A: By definition, acceleration is the rate of change of velocity, that is derivative of velocity. Hence…

Q: A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W =…

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Q: An astronaut on the moon places a package on a scale and finds its weight to be 13 N. (a) What…

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Q: _Nicholas, Brianna, Dylan and Chloe are practicing their hockey on frozen Bluebird Lake. As Dylan…

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Q: 120. Each of the following diagrams shows a different block being pushed to the right by a…

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Q: A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W =…

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Q: 3) A 7-kg rock and a 20-kg rock are launched horizontally from a platform with initial velocity of v…

A: The masses of the rock: 7 kg and 20 kg The initial velocity with which the two rocks are launched…

Q: Two crates one with mass 4.00-kg and the other with mass 6.00-kg, sit on the frictionless surface of…

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Q: A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W =…

A: Given Data: Initial speed of elevator is zero. Reading of scale when elevator is at rest W=895 N…

Q: Q1/ A man of mass 75 kg ,and woman of mass 55 kg stand facing each other on an ice rink ,both…

A: Newton's third law states that every action has equal and opposite reaction acting on two different…

Q: Q6. What is the direction of the unbalanced force acting on a body which is accelerating in a…

A: The unbalanced force acts on the body in the drection opposite to the motion of the body.

Q: 1. A massless rope that run over a frictionless pulley as shown in the figure. If M₁ = 4.5 Kg and M₂…

A: in this question  we use simple free body diagram equation and then equation of motion.

Q: T3 C A Three boxes, each of mass 22 kg are on a frictionless table, connected by massless strings. A…

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Q: SpaceX's Falcon Heavy rocket with a mass of 1.42 x 10^6 kg is launched straight upward at 1.8 m/s.…

A: GIVEN: mass m=1.42×106 kg velocity v =1.8 ms-1 thrust force F =2.65×107N time t= 154 s

Q: Amos Moses, a 120 kg shot-putter, is putting the 5 kg shot in a track meet. Just before he releases…

A: Given: MAM=120kgms=5 kgF=700 N (horizontal directed forward)

Q: A 80.0 kg person is being pulled away from a burning building as shown in the figure below.   a)…

A: During the moment the person is motionless, the net vertical and net horizontal forces acting on the…

Q: The instruments attached to a weather balloon have a mass of 4.1 kg. The balloon is released and…

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Q: an astronaut on the moon places a package on a scale and finds its weight to be 25 N.  (a) What…

A: a. the acceleration due to gravity on the surface of the moon is 1.6 m/s^2.

Q: Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface…

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Q: Three boxes in contact rest side-by-side on a smooth (frictionless), horizontal floor, as shown…

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Q: F Four forces act on an object as shown in the free body diagram above. Fr is equal in magnitude to…

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Q: Multiple Choice 5. Which of the following show action-reaction pairs? A) Drag D) B) Weight Free Body…

A: We know that, Newton third law talks about the action reaction part as  For every action there is…

Q: An 80 kg person is parachuting and experiencing a downward acceleration of 2.5 m/s2. The mass of the…

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Q: Two crates, one with mass 4.00 kg and the other with 6.00 kg, sit on the frictionless surface of a…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: Eric has a mass of 60 kg. He is standing on a scale in an elevator that is accelerating downward at…

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Q: A boy throws a steel ball straight up. Consider the motion of the ball only after it has left the…

A: Given: A ball is thrown upward.  Consider motion of ball when it leaves the hand.

Q: In t-ball, young players use a bat to hit a stationary ball off a stand. The 140 g ball has about…

A: Given - mass of ball , m =140 g = 0.14 kg initial speed of ball , u = 0 m/s final speed of ball  ,…

Q: How does the force exerted by the more massive car on the less massive car compare to the force…

A: The amount of force exerted by the more massive car and the less massive car is directly…

Q: A 89.0 kg person is being pulled away from a burning building as shown in the figure below. 10° (a)…

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Q: Two ice skaters, Bobby and Frankie, stand facing each other on very slippery ice. Bobby has a mass…

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Q: Figure shows the velocity graph of a 65 kg student in an elevator. Match the answers with questions.…

A: Given that: Mass of the student: m=65 kg

Q: Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface…

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Q: A0.0502-kg pair of fuzzy dice is attached to the rearview mirror of a car by a short string. The car…

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Q: An astronaut on the moon places a package on a scale and finds its weight to be 35 N. (a) What…

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Q: A mom is pulling her son and daughter who are sitting in two sleds that are connected by a rope. The…

A: Given : Mass of the girl and sled 1 (m1)= 54 kg Mass of the boy and sled 2 (m2)= 61 kg Coefficient…

Q: A physics student, in a stationary elevator, places a 220.0 g mass on an electronic balance. The…

A: Given When elevator is at rest Mass = 220.0 g When elevator accelerated at 'a' (let) Reading = 292.0…

Q: A student draws the flawed free-body diagram shown to represent the forces acting on a car traveling…

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Q: A block is given an initial velocity of 5.00 m/s up a frictionless 20.0° incline. How far up the…

A: Initial velocity (u) = 5 m/sAngle of incline (θ) = 20o

Q: Q/ Determine the value of mass(m) shown in figure below which prevent .the upward motion of (100 Kg)…

A: mass of object on incline (M) = 100 kg Mass of hanging object = m Angle of incline (θ) =…

Q: 120 kg skater pushes against an 80 kg skater. After contact, the 80 kg skater was given an…

A: mass of first skater (m) = 120 kg mass of second skater (m') = 80 kg acceleration given to secon…

Q: A truck collides with a car, and during the collision, the net force on each vehicle is essentially…

A: Write the given values with the suitable variables. m1=850 kgm2=2750 kga2=14 m/s2 Here, m1, m2, and…

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!