Two blocks are connected by a (massless) string that runs over a (massless, frictionless) pulley as shown. Assume there is no friction between block 1 and the surface of the incline. 40° 1 2

Q: 1. Emma pushes a 45.0kg box across a level floor with an applied force of 155N [30° above…

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Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A: The magnitude of the displacement of the coin is given by, d=xf-xi2+yf-yi2 Here, xi,yi is the…

Q: Calculate the dot product between the following vectors a) A=i-2j+5k and B=-3i+2j+2k b) A=-3i+j+2k…

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Q: A 15.1-kg box is being pushed from the bottom to the top of a frictionless ramp. When the box is…

A: Write the given values with the suitable variables. m=15.1 kgW=58 Ju=0 m/sv=1.50 m/s Here, m, W, u,…

Q: 4. Show that a 5 =la+5| -|a-5|". HD

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Q: Does the dot product of two vectors have direction as well as magnitude? yes no

A: No  they only have magnitude but no direction.

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A: The vectors are given as,

Q: 4.00 F(r) = 32.07 – 16.0xyî - x2 A three-dimensional force is given by %3D What is the work done, in…

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Q: what is the total work done by the force over the distance x=0 to x=15.0m?

A: Work done is basically the area under the graph of Force vs displacement!

Q: Can the normal force on an object ever do work? yes no

A: Yes sometimes Normal force also do works on an object.

Q: Calculate the scalar product of the two vectors shown in the figure. Pay attention to the units.…

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Q: 74.3 J of work is needed to push an object of mass 13.9 kg from point A to point B of the…

A: Given data:  Work done (W) = 74.3 J Mass (m) = 13.9 kg Angle (θ) = 30°, above the horizontal…

Q: 11.a. Consider the standard problem of raising a mass m through a height h near Earth's surface.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: In this problem, the friction is equal to zero. Vector A along the positive X axis = 14.0…

A: The given vectors are:

Q: hrw8c13p35) The three spheres in the figure, with masses ma =750 g, mg = 100 g, and mc = 250 g have…

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Q: A chain 35.9 m long and weighing 47.5 N/m hangs from a drum on which it is to be wound. Determine…

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Q: As shown in the image above, a ball slid down a hill and fell into an opening in the ground,…

A: The following problem involves the law of conservation of mass. The law states that if there is no…

Q: this force.

A: Given: Force is F=3.01i-4.24j N displacement d=-3.46i+7.52 j m

Q: P1.29. Determine the work done in moving an object along a vector a 5i - 3j + 2k if the applied…

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Q: R T T2 M1 = 10 kg M2 = 6 kg 8 m How much work is done by mass 1? b. How much work is done by mass 2?…

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Q: A typical muscle fiber is 2.0 cm long and has a cross- section area of 3.1\times 10-9m2. When the…

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Q: 1. Starting from rest a block of mass m is pushed up a frictionless slope of angle 0 by a horizontal…

A: To answer the questions, we will first identify the forces acting on the block and use the given…

Q: How much power is needed to lift a 750 kg elephant 14.3 m in 30.0 seconds?

A: Given data:  Mass (m) = 750 kg Height (h) = 14.3 m Time (t) = 30.0 s Required: Power (P)

Q: My sister Sara is pulling a box along a horizontal surface with the force F inclined at an angle 0…

A: To find :  True or false - work done by force of gravity is zero

Q: 1. Calculate the work done from x = 0 to x = 7 m by the one-dimensional force depicted in the…

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Q: NT2E-WBT23: VECTORS ON A GRID-VECTOR (CROSS) PRODUCT Four vectors are shown below superimposed on a…

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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!