A 2.3 kg box, starting from rest, is pushed up a ramp by a 10 N force parallel to the ramp. The ramp is 2.0 m long and tilted at 17°. The speed of the box at the top of the ramp is 0.80 m/s. Consider the system to be the box + ramp + earth.a. How much work W does the force do on the system?b. What is the change ΔK in the kinetic energy of the system?c. What is the change ΔUg in the gravitational potential energy of the system?d. What is the change ΔEth in the thermal energy of the system?

Q: A block slides up an inclined plane. Friction is present between the block and the plane. Which of…

A: Answer :) option(a) the total energy of the block earth system decreases because of the frictional…

Q: A car with a mass of 1290 kilograms is being driven at 17.9 meters per second when it runs into a…

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Q: The friction and air resistance were ignored in part A, but the normal force was not. Why it is true…

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Q: Object A and B have 25 J of kinetic energy. Object B has one-quarter the mass of object A. a.…

A: Kinetic energy of obejct A and B is Mass of obejct B is Work done on each object is Find:(a) The…

Q: You throw an 18.0 N rock into the air from ground level and observe that, when it is 11.0 m high, it…

A: Given  weight of the rock=mg=18 N m=18/9.8=1.84 kg speed at height (h=11 m) is 18 m/s

Q: Choose which statement describes a process in which an external force does positive work on the…

A: Have a look dear

Q: A57 g plastic ball is moving to the left at 14 m/s. How much work must be done on the ball to cause…

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Q: A 48 g particle is moving to the left at 12 m/s. How much net work must be done on the particle to…

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Q: a. Discuss, with diagrams, the kinematics and dynamics of an object undergoing curvilinear motion. -…

A: An object is said to be in motion if its position changes with respect to time. When a particle is…

Q: A car engine produces a constant power of P = 340 hp. The car and motor have a combined mass of m =…

A: Given value--- A car engine produces a constant power of P = 340 hp. The car and motor have a…

Q: A car whose weight is 20,000 N (meaning that its mass is about 2000 kg) is travelling at constant…

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Q: You push your physics book 2.40 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Given data: Displacement (d) = 2.40 m, horizontal Horizontal puch force (F) = 3.00 N Force of…

Q: A box is being pushed to the right with 112N of force. The box travels a total of 1.5m to the right.…

A:

Q: m A mass m1 = 5.5 kg rests on a frictionless table and connected by a massless string to another…

A: Masses are, m₁ = 5.5 kg, m₂ = 3.6 kg   The magnitude of the force is: F = 34 N   Displacement of…

Q: Consider the net work required to stop a moving object. a. What is the net work, in joules,…

A: Given data:  Mass (m) = 60.4 kg Initial velocity (u) = 1.96 m/s Final velocity (v) = 0 m/s Required:…

Q: Boxes A and B as shown have masses of 12.0 kg and 4.0 kg, respectively. The two boxes are released…

A: Given details: Mass of A=12.0kg Mass of B=4.0kg Released from rest The initial velocity of A=0 The…

Q: A Ferris wheel is a vertical, circular amusement ride with radius, R = 5 m. Riders sit on seats that…

A: We will first write an expression for work in terms of force and displacement. We then apply this to…

Q: A 50 kg projectile is fired from a cannon located on the ground, up to a height of 425 m. The system…

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Q: Consider the net work required to stop a moving object. a. What is the net work, in joules,…

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Q: A sledder with a total mass 40.0 kg (including the sled) slides down a 10.0m hill that is 20◦ from…

A: i. Kinetic energy of the sledder at the bottom of hill Ek=12mv2=12(40.0 kg)5.5 m/s2=605 J

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given(s): Mass of the box, m=4.0 kg Height raised, h=4 m Moving at a constant speed of 5.0 m/s.…

Q: 0.8 0.6 0.4 0.2 0.25 0.50 0.75 1.00 Position, x (m) Force, F (N)

A: mass =  1.3 kg speed = 0.35 m/s at 0.27 m

Q: 2. The graph shows the x component of the net force on an object versus position. The work done by…

A: Solution:-We know that The work done is given as,W= FdWhere F - force d - displacement

Q: A 6.50 kg ball hangs from the end of a 1.75 m rope. The ball is pulled back until the rope makes a…

A: Solution 15 :- Given data :- mass m = 6.50 kg length of rope L = 1.75 m angle theta (say)= 45°

Q: If R = 22.2 cm, M = 552 g, and m = 191 g in the figure, find the speed of the block after it has…

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Q: A 20 g bug is hovering in the air. A gust of wind exerts a force F = (5.0 î + 2.0 j) × 10-2N c the…

A: Due to force acting on the bug by wind, work will be done on the bug which is dot product of force…

Q: Nahed weighs 55 kg, she uses her scooter of mass 5 kg to go to her nearby friend's house. Her speed…

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Q: While leaning out a window that is 6.4 m above the ground, you drop a 0.60 kg basketball to a friend…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.