Solve problem No. 7 if the coefficient of friction between the box and the surface is 0.10. What is the resulting acceleration of the box? ______________ How fast is the box moving after 1 second? _______________ How far has it moved after 1 second? ____________________

Q: A 1,982-kg car starts from rest at the top of a driveway 6.74 m long that is sloped at an angle of…

A: Given:  initial velocity, u = 0 m/s  mass, m = 1982 kg  length, s = 6.74 m  Angle, θ = 30 degree…

Q: We start with some review problems A crate of mass 34.7 kg rests on a level surface, with a…

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Q: A block slides along a track from one level to a higher level after passing through an intermediate…

A: Given  vo=6.9m/s h=1.1m g=9.8m/s2 μk=0.60 d=?

Q: dragster accelerates from rest down a road of length d = 400.0 m. In the absence of any friction the…

A: The downward force on the dragster along its motion is given by

Q: friction b me startin

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Q: A 1 kg object is attached to a spring with a spring constant of 65 N/m so that the object is allowed…

A: Given Data: Mass is m=1 kg Force constant is k=65 N/m Distance is x=0.15 m

Q: A 1,458-kg car starts from rest at the top of a driveway 6.94 m long that is sloped at an angle of…

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Q: We start with some review problems A crate of mass 27.1 kg rests on a level surface, with a…

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Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…

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Q: A block swings on a string after being released from rest. When the string becomes vertical it…

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Q: Problem 1: A yo-yo is released as shown. The inner radius (where the string winds up) is 0.74 cm,…

A: Given data: Inner radius, r=0.74 cm=7.4×10-3m Outer radius, R=4.1 cm=41×10-3m Mass of yo-yo, m=440…

Q: Two springs are attached side by side to a box of mass Mas shown in the figure. The springs have…

A: The objective of the question is to find an expression for the period of motion of a box attached to…

Q: 25. A car which is initially at rest rolls down a smooth inclined plane as shown below. Which of the…

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Q: You are a good tree climber and were helping your neighbor kid retrieve his pickle ball that was…

A: Given that,  The ball is about 5m above the ground, h = 5 m Downward initial velocity, u = 2 m/s…

Q: Print the References and Equations Sheet and use it to complete this question. You also may use a…

A: The problem can be solved by using the free body diagram. We have to consider the fact that drag…

Q: marble rolls off the roof of Physics hall and falls vertically. Just before it reaches the ground,…

A: Given  Initial velocity u = 0  Final velocity v = 15 m /s  Height h = ?

Q: A stone is thrown straight upward with a speed of 25 m/s. It is caught on its way down at a point 5…

A: The vertical displacement of stone is   y=y_0+v_0t-(1/2)gt^2  5=25t-(1/2)(9.80)t^2 5=25t-4.90t^2 On…

Q: A 2kg block starts from rest at the top of a 30 degree incline and slides a distance of 2m down the…

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Q: What is the spring constant of a spring that stretches 2 cm when a mass of 0.6 kg is suspended from…

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Q: A 110 g ball bobbing up and down on the ocean as the waves roll by has a vertical position that can…

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Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…

A: Frictional force F = uN

Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Let spring constant be "K".   On earth, mge=Kxe         .....(1)   on moon, mgm=Kxm        ......(2)…

Q: The cart in figure 1 slides in the horizontal plane with an acceleration of          4 m / s². Body…

A: Acceleration of cart is     a = 4 m/s2 Mass of body A is m = 4 kg

Q: A box is projected upward onto a ramp that has a 15 degree incline. I know knows that it starts with…

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Q: An object of mass 380 kg is sliding on a track. From A to B, the track is frictionless. From B to C…

A: Given, Mass of the object (m) =380 kg. The velocity of the object at point A vA =10m/s. The time…

Q: We start with some review problems A crate of mass 38.7 kg rests on a level surface, with a…

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

Q: A block of mass 5 kg starts to slide down a frictionless plane having an inclination of 25.0° from…

A: mass of block = 5 kg Length of incline = 2 m angle of inclined plane = 25oInitial velocity at the…

Q: Same type of track as in the previous problem, this time with d = 3.30 m. The block starts at x = 0,…

A: Apply the energy conservation equation and substitute the corresponding values to calculate the…

Q: In the figure below, mA > mB and the table surface is frictionless. If the system is released from…

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Q: 20 m Your Answer: 15 m Rough A 15.0 kg stone slides down a snow-covered hill shown in the figure,…

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Q: An object of mass 380 kg is sliding on a track. From A to B, the track is frictionless. From B to C…

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Q: PROBLEM 2: On an outdoor skate board park, a 40-kg skateboarder slides down the smooth curve skating…

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Q: A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of…

A: To solve the problem we will calculate the acceleration first and then using Newton's 2nd law of…

Q: Question 3: A block moves outward along the slot in the platform with a speed of r = r = 4t m/s,…

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Q: We start with some review problems A crate of mass 27.1 kg rests on a level surface, with a…

A: Given Data : The mass of the crate is given as m = 27.1 Kg. The force applied to the crate is given…

Q: A spacecraft that is initially at rest turns on its engine at t=0. If its mass is 3000 kg and the…

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Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Given: Mass attached to the spring is m=10kg. The spring is stretched by ∆x=0.2m. Acceleration due…

Q: A conical pendulum has length l and the angle made by the string with vertical is 0 = 20° . The mass…

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Q: The surface of a pool table is h=0.710 m from the floor. The winner of a competition wants to know…

A: height = h =0.71 m horizontal distance = R = 4.95 m initial horizontal component of velocity = V0x=…

Q: car starts from rest and accelerates at a constant rate until it reaches 90 mi/hr in a distance of…

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Q: Mike uses a block sliding down an inclined plane to estimate the coefficient of kinetic friction,…

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Q: The following information pertains to questions 1, 2, and 3. A workman pulls a sled across an…

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Q: A weight of 10 N hangs motionless from a spring. The spring is stretched 0.286 m from its original…

A: Given Weight of object W = 10 N spring streched by ∆x = 0.286 m To Find Force constant of the spring

Q: U X New Tab New Tab IXL A Clas C Cleve O Read X Edge moti O Direc Its itsle E Ange I acce…

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Q: Initially, a warehouse worker pushes a 55 [N] box on a flat, rough, horizontal surface just enough…

A: weight of the box, W=mg=55 N mass of box m=Wg=55 N9.8 m/s2=5.612 kg

Q: An amusement park in Dubai has a ramp which is frictionless. A child drops a smooth object and it…

A: Given: The height is h=2.2 m. The coefficient of friction is u=0.7. According to work energy…

Q: Two boxes are attached with a massless string that is connected via a frictionless and massless…

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Q: A 480-kg piano is being unloaded from a truck by rolling it down a ramp inclined at 23 °. There is…

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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?”