A 20kg box has an inital velocity of 20 m/s to the right. A person applies a force of 200N to the left. Friction does -500J of work. Calculate the final velocity of the box after it has traveled 4 meters.

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A: The given data   The mass of the box m = 5.6 kg The distance moved by the box is d = 13 m The…

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A: Given Data :mass of block m  = 4.5 kgmagnitude of Net force F = 20.9 Nlet force acts in n^ hence F→…

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A: The angle is Φ = 40o  Force is F = 350 N  Displacement is S = 2800 mm = 2.8 m

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A: Given data:  Mass of ball (m) = 428 g = 0.428 kg Initial velocity (Vi) = 27.4 m/s Final velocity…

Q: Food Fightl Someone throws a perfectiy good hamburger across the cafeteria. What velocity does it…

A: Using the standard formula of kinetic energy: K = 12mv2this impliesv = 2Kmv =2*790.35≅21.25m/s

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Q: A boat travels 200 m due NE, while the wind exerts a force of 450N toward West. How much work does…

A: Given information: The distance traveled by the boat in NE direction (d) = 200 m The magnitude and…

Q: 2 54. A 5.0-kg box has an acceleration of 2.0 m/s´ when it is pulled by a horizontal force across a…

A: Given : Mass of a box (m) = 5.0 kg Acceleration (a) = 2.0 m/s2 Coefficient of friction (μk) = 0.50…

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A: Given that,Force on block : FB = 100 (N)Force on table :  FT = 50 (N)Angle : θ = 35°Coefficient of…

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Q: ETC - CIMS - 1. A student of mass 50 kg caries a bag weighing 4000g from the ground floor to his…

A: The solution is given below

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A: Here, we ue work and energy theorum and Newton's second law to get the required.

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Q: A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/s. The sled encounters a rough…

A: Mass of sled, m = 150 kg Initial speed of sled, vo = 7 m/s Force exerted by rough spot, Frough = -…

Q: A 30kg box has an initial velocity of 10m/s to the right. A person applies a force of 300N to the…

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Q: A 30 kg box has an initial velocity of 10 m/s to the right. A person applies a force of 300 N to the…

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Q: (a) What is its kinetic energy at this moment? (b) Find the net work done on the object if its…

A: Please refer below page.If you have any doubts please feel free to ask.Explanation:Step 1: Step 2:

Q: 10. DETAILS MY NOTES (b) the change in the potential energy of the system ASK YOUR TEACHER A single…

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A: (1) number of electrons in the object N=qe=27.93 C1.602×10-19 C=1.743×1020

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Q: A 2-kg car accelerates uniformly from rest to a speed of 10 m/s in the first 5s (frictionless…

A: Given that,Mass of car : m = 2 (kg)At t = 5 (sec), v = 10 (m/sec)Now,Here we can apply the eqn of…

Q: he work done by a conservative force around a closed path is nonzero.  T  F ??

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Q: Determine the work done against gravity on a 1.0 kg book that is lifted a height of 2.0 m.

A: Given value--- mass  = 1 kg. height = 2 m. We have to find--- work done ?

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A: Given Data: The initial speed of a skater is, vi=4.0 m/s The final speed of a skater after reduces…