The student steps onto the scale while the elevator accelerates upward. Determine the scale reading if the student has a mass of 60.0 kg and the smart phone app measures the acceleration to be 4.90m/s^2 , what is the reading on the scale?

Q: 2. A 10-lb rock and a 1-lb rock are dropped simultaneously from the same height. (a) Some say that…

A: Write the given values of this problem. M=10 lbm=1 lb

Q: On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short…

A: It is given that,

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Q: Q7. Inertia is O An example of Newton's 1st law of motion. O Defined as the tendency for an object…

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Q: A bosun’s chair is used to work on a ship’s mast. A) What will be the tension in the rope if the…

A: (a) Draw the free-body diagram of the Bosun’s chair.

Q: There is a 67 kg rubber sled on a wet concrete floor. A boy pushes the sled and it accelerates 0.01…

A:

Q: 6. A farmer pulls the leash of a stubborn, 200 kg pig at the angle shown. The coefficient of static…

A: Given: The mass of the pig is 200 kg. The coefficient of the static friction is 0.3. The coefficient…

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A:

Q: The speed of a bobsled is increasing, because it has an acceleration of 3.42 m/s2. At a given…

A: Given :      The acceleration of the bobsled, a=3.42 m/s2       Net forces resisting the motion, fR…

Q: A75.0 kg man stands on a platform scale in an elevator. Starting from rest, the elevator scends,…

A:

Q: Two children fight over a 200 g stuffed bear. The 25 kg boy pulls to the right with a 15 N force and…

A: Let m denote the mass of the bear, F1 denote the rightward force (take as positive direction), F­2…

Q: Mary applies a force of 75 N to push a box with an acceleration of 0.43 m/s?. When she increases the…

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Q: A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building the…

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Q: On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short…

A: Given: m = 18,100 kgu=0 m/sv=65 m/st=2.7 s

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A:

Q: Q1: A car's engine exerts a force of 720 N to the right. What is the resultant force acting on the…

A: Recall  F=ma Ffr=μN

Q: Q3) The Fundamental Principle of Dynamics (Newton's 2nd Law) yields F = ma for magnitudes for a mass…

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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: A football player weighing 85 kg accelerates from a stationary position, over a distance of 10m and…

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Q: On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short…

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Q: A 536-N physics student stands on a bathroom scale in an 869-kg (including the student) elevator…

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Q: 88.0 kg sprinter starts a race with an acceleration of 1.76 m/s2. If the sprinter accelerates at…

A: According to equation of motion s=ut+(1/2)at2

Q: A lunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity…

A: Given data The initial velocity of the lunar lander is: u = 20 m/s The final velocity of the lunar…

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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…

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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: A. Draw a body diagram representing all forces acting on the block. B. If the coefficient of static…

A: a.

Q: A weight lifter stands on a bathroom scale. (a) As she pumps a barbell up and down, what happens to…

A: Part (a): The reading on the scale will be high than the actual weight of the barbell as when the…

Q: Two children pull on a sled in opposite directions, each pulling with a force of  11 N. a) What is…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A force of 1600 N acts parallel to a ramp to push a 300-kg piano into a moving van. The ramp is…

A: Force , F = 1600 NMass of piano , m = 300KgInclination of ramp ,θ = 20°

Q: Jack pulls a cart with a force of 30 N by a rope tied to a cart and making an angle of 25° with the…

A:

Q: 2) Suppose that a sled is accelerating at a rate of 2 m/s?. If the net force is tripled and the mass…

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Q: A 68 kg lady stands on a bathroom scale on elevator. Starting from rest, the elevator accelerates…

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Q: On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short…

A: mass of jet (m) = 18100 kg initial speed (u) = 0 m/sfinal speed (v) = 68 m/stime taken (t) = 2.7 sec…

Q: An object has a mass of 300 kg. The object slow down with an acceleration of -5 m/s2. What is the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: 2. You get in an elevator, and step onto a weighing scale. You also recall that your normal weight…

A: Normal weight of a man=625N

Q: A car has forces acting on it, as shown below. The mass of the car is 1000.0 kg. The road is slick,…

A: (a)The resultant of two forces F→1 and F→2 is given by, Fnet=F12+F22+2F1F2cosθ Here, F1 is the…

Q: A pickup truck with a mass of 980 kg is initially at rest. The truck accelerates to a speed of 95…

A: A)

Q: 1) A sprinter is just coming out of the starting blocks, and only one foot is touching the blocks.…

A: Given: Horizontal force Fx=800 N vertical force Fy=1000 N

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A:

Q: : A waiter pushes a glass over the counter toward his customer at an initial speed of 5.5 m/s. Two…

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Q: Sledding A sled with a mass of 80.0 kg is pulled along flat, snow-covered ground. The static…

A: Given Mass of sled m = 80 kg Coefficient of static friction μs = 0.30 Coefficient of kinetic…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”