choose (tic) the best answer for each part and attach your work

Q: A box of 20 kg mass is pulled up an inclined plane at a constant velocity of 5 m/s as shown in…

A: mass of box (m) = 20 kg constant velocity (v) = 5 m/s θ = 30oCoefficient of friction (μk) =…

Q: Initially travelling at 60m/s, a truck's total mass of 2100kg, hits on the brakes and slips to a…

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Q: A block of mass m = 2.50 kg is lowered down a 37° rough incline plane a distance of 4.50 m from…

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Q: Consider a helicopter in two different situations: at sea level and at the top of a high mountain.…

A: We know that  The value of acceleration due to gravity decreases with height as gh = g(1-2h/R) This…

Q: Describe the energy transformation process as the ball swings from one side to the other. (For…

A: The professor is teaching his students about the conservation of mechanical energy by giving example…

Q: Label the diagram with the correct values for kinetic energy (KE) and potential energy (PE) along…

A: In this case, as it is given that the roller coaster was initially at rest, it KE must be zero and…

Q: Figure 1 (right): Find the degree(s) of freedom and the type of constraint. Show using the principal…

A: As per rule, allowed to answer first question and post the remaining in the next submission.

Q: A ball with a mass of 10.0 kg is at rest at the top of a frictionless inclined plane of length 8.00…

A: Write the given values with the suitable variables. m=10 kgL=8 mθ=30°μk=0.4 Here, m, L, θ, and μk…

Q: 010 FRAGILE The man pictured is standing still while holding up boxes. Which statement is true? The…

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Q: 07 (a) What do you understand by the principle of conservation of energy?

A: The principle of energy conservation states that energy is neither created nor destroyed. It may…

Q: Explain why the ball is moving faster just before it hits the ground than when it left the bat but…

A: Conservation of Mechanical energy: Total mechanical energy of a closed system remains constant,…

Q: The following question has multiple parts please work them in the order shown. Part A) Let's say the…

A: (A) Since the boxes are not moving the pulling force is exactly balanced by the friction force. So…

Q: A 12m long post is bolted to the wall on its left end. Its right end is held horizontal by a wire…

A: Consider the mass of the post be m, the weight of the post be w, the tension in the wire be T, the…

Q: Make an analysis about how the Conservation of Energy and Work applies on a mousetrap car. Is…

A: First, let's consider energy conservation. In a mousetrap car, the energy stored in the spring of…

Q: A speak takraw ball was thrown with an initial upward velocity component of 9 m/s and an initial…

A: Part (a) Given: The initial upward velocity component of ball is uy=9 m/s. The initial horizontal…

Q: A 200-N child is in a swing that is attached to ropes 2.20 m long. Find the gravitational potential…

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Q: The total mechanical energy of the block is the sum of kinetic and potential energies.

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Q: A force of 640 N does 12 500 J of work over a displacement of 24.0 m. What is the angle between the…

A: Given data: Force (F) = 640 N Work (W) = 12500 J Displacement (d) = 24.0 m Required: Angle between…

Q: Sketch the situation, draw an LOL diagram, and write the energy model equation for the given…

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Q: MA 2a) Determine the rotational inertia I of the pulley. units? C answer= Check your answer Show…

A: Given that: The mass is: mA=6.5 kgmB=20 kgMP=6.3 kg The radius of the disk is r=0.7 m The height of…

Q: A child sets a 2.5 kg block in motion by giving it a push along a floor. This gives the block a…

A: Given: The mass of the block is m=2.5 kg The initial velocity of the block is u=0 m/s The final…

Q: A small block starts from rest at point A, and slides down the inclined plane as shown in figure.…

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Q: In the following figure, the Kinetic energy will be maximum at the position Select one: O C O A O…

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Q: Work: Find the net work done by friction on a box that moves in a complete circle of radius 1.82 m…

A: Given data The radius is given as r = 1.82 m. The coefficient of kinetic friction is given as…

Q: the order shown. Part A) What is the normal force on the box? 42kg 25 FN - | unit Pick a direction…

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Q: Ball A is allowed to fall and strike ball B. Assume that all of the ball A energy is transferred to…

A: The potential energy of ball of the ball A is PEballA=mgh=2 kg9.8 m/s210 m=196 J

Q: on 5 nis graph shows the changes in energy and position of a box moving down a ramp. The x-axis…

A: Here box travels from starting point at the top of the ramp.here we see in graph point 100 to 200…

Q: Consider the system of two blocks shown in (Figure 1). The blocks are released from rest. While the…

A: Recall W=F→.r→ and work kinetic energy theorem.∑W=∆KE

Q: 11. A ball weighing 20 N is dropped from rest from a height of 8 meters above the ground. Assuming…

A: Total mechanical energy is the sum of kinetic energy and potential energy.

Q: List the factors you need to measure to calculate the mechanical energy of the skater when he is…

A: In absence of any dissipative force ,mechanical energy of a system remains conserved .In such…

Q: A 0.620 kg basketball is dropped out of a window that is 6.05 m above the ground. The ball is caught…

A: Work done on an object by it's own weight while falling from height "h" from the ground: Work done…

Q: A 75.0 kg block of ice slides from rest down an icy hill from point A to point B, as illustrated in…

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Q: Analyze the following situation. A student chooses the following energy bar charts to represent the…

A: Given: We have to find which one of the charts given is wrong.

Q: you drag a box with a distance D across a horizontal floor at a constant speed. by applying a force…

A: Given data: Horizontal displacement = d Constant Speed Applied Force = F At inclined angle = θ,…

Q: A 1.00-kg book is sliding along a rough horizontal surface. At point A it is moving at 3.5 m/s, and…

A: Given data: Mass of book is, m=1.00 kg. Initial velocity at point A is, vA=3.5 m/s. Velocity at…

Q: The beam ham m=10kg and L=2m, it is moving with a velocity shown on the drawing, v=0.1 m/s. Find…

A: KE , when (alpha)=0 , the value will be  1/2 * m1 * v^2=0

Q: KE (J) 500 450 400 350 300 250 200 150 100 50 0 D 20 KE vs. Time 40 Time (s) 60 C.) Determine the…

A: We have given a K.E Vs t graph , Slope of this graph gives the power. Now at t = 17 sec. the slope…

Q: From the figure, the system star ts at rest with the spring unextended. Taking m=0.10, when the…

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Q: If the given system is released from rest in the position shown, calculate the velocity of A when it…

A: Given:mBg=10NmAg=6NdA=2mμ=0.24 and system is initially at rest

Q: 60 N is required to compress a string in a hand exerciser by a quarter of a meter. Calculate its…

A: In this question we have to find the potential energy of a spring. Note: Due to company policy we…

Q: Part D: What is the ratio of the kinetic energy to the potential energy when it is at 0.143m from…

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Q: A block placed on a rough inclined surface is used to compress a spring that is parallel to the…

A: A block placed on a rough inclined surface is used to compress a spring that is parallel to the…