(d) Explain what is meant by the following terms: O Kinetic Energy E) () Potential Energy (PE) () Elastic collison
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A: Given that-Mass, m=100 kgHeight, h=30 mWe know that-Acceleration due to gravity, g=9.8 m/s2
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A: Work done is,
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A: In this question we have to find the work done by the spring force, increase in thermal energy of…
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A: We know the Work Energy Theorem states that The work done by all the forces i.e. internal,…
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A: Given Consider a spring with constant k = 200N . If the spring is compressed 4 cm, so the…
Q: (b) How much work would have to be done to bring a 980-kg automobile traveling at 72 km/h to a stop?…
A: Given data: Mass (m) = 980 kg Initial velocity (u) = 72 km/h Final velocity (v) = 0 Required: The…
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A: Mass of the arrow, m = 100 g = 0.1 kg Potential energy stored in the string, U = 5 J The final…
Q: PHYS-91; Multiple Choice: A worker lifts a 10 kilogram block a vertical height of 2 meters. The work…
A: Given: Mass(m)=10kg Distance(d)=Height(h)= 2m Lets find The Workdone(W)
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A:
Q: A car of mass 1500 kg is initially travelling at a speed of 12 m/s. The driver then accelerates to a…
A: Mass of the car, Initial speed of the car, Final speed of the car, Distance traveled,
Q: A box (5kg) slides 1m down a 30° incline from rest. a) how much work is done by gravity? b) find the…
A: a) work done by gravity is equal to Wg=mgdsinθ=5×9.81×1×sin30=24.52J b) magnitude of friction…
Q: Water flows over a dam at a rate of 66,000 kilograms/second at a hydroelectric plant. a) How much…
A: We are given mass of water flowing over dam per second. We are also given the height through which…
Q: An elevator of mass 700 kg descends with an acceleration of 3 m/s^2 over a distance of 12 metres.…
A: Given that :Mass of elevator, m=700 kgAcceleration downward, a=3 m/s2Distance, d=12 m
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A: We know that,Work done on a body is the dot product of Force and displacement. Mathematically,…
Q: Can You write a conservation of energy equation with all the energies involved in a mouse trap car?
A: In a mousetrap car, as explained in the previous problem, The energy input from the mousetrap spring…
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A:
Q: A crane lifts a 1090kg massive object from a height of to a height of 25m. What amount of potential…
A:
Q: A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 30o by a force of…
A: Given data: Mass of block is, m=1 kg. Angle made by the horizontal is, θ=30∘. Force parallel to…
Q: Calculate the power required to raise a 20 kg object to a height of 10 m in 1 minute. What…
A: Given that: Mass, M=20 kg Height, H=10 m Time, t=1 min=60 sec
Q: In terms of X, how much is compressed to store twice as much potential energy and half as much…
A: Elastic potential energy,
Q: A box is pulled with a force of 40 N to produce a displacement of 7 m. If the angle between the…
A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
Q: 5m of ecadius 1 mm is A mive of length stretched by load of 10 N. If Y-2x10" N/m² find work done peu…
A: We need to find-Work done per unit volume (W)=?Given-Length of wire (L)=5 mRadius of wire (r)=1…
Q: How much work did the movers do (horizontally) pushing a 140-kg crate 10.4 m across a rough floor…
A: Given: In this question, the given details are, The given mass of crate is m=140 kg, And the…
Q: nat is the work done by a 2500 kg car whose velocity is 85 km/hr? und your answer to the nearest…
A: Given value--- mass = 2500 kg. final velocity = 85 km/h. We have to find--- work done
Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…
A:
Q: Lee pushes horizontally with a force of 41 N on a 25 kg mass for 16 m across a floor. Calculate the…
A: The expression for the work done on an object is written as, Here, F and d represent the force and…
Q: Is work a vector quantity? In other words does it need a direction associated with it ?
A: To define work we just need magnitude and not direction. Also work is the dot product of two vector…
Q: If the total work done on an object is positive, O none of the above O its kinetic energy will…
A: We know that, Work done(W) = change of K.E = (K.E)f - (K.E)i
Q: A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 30o by a force of…
A: a) Work done against gravity = mgh h = 5 m Substituting values : W = 1 * 9.8 * 5 Work Done against…
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Q: a) Find the work done by friction between x=O and x = 4m b) Find the work done by the force F…
A: in this question we use FBD of block and find equation then solve that and get answer.
Q: is a person climbing a ladder potential or kinetic energy?
A: We know that energy can neither be created nor destroyed. However, energy can always change its form…
Q: When you applied a force on the spring, what is the work done by you?
A: In general, work is the transfer of energy through the application of force. It is measured as the…
Q: A mive of length stretched 5m of ecadius 1 mm is by load of 10N. It 2 Y = 2x10" N/m ² find work done…
A: Work done(W) per unit volume of the wire. Given, Young's modulusY=2×1011 N·m-2LoadF=10 NLength of…
Q: 8) FIGURE 6 shows a 3.0 kg box sliding down with constant speed u = 1.2 ms" along a rough plank…
A:
Q: A force of 4 pounds is needed to stretch a spring 2 inches from its natural unstretched and…
A: Force, F = 4 pounds = 17.79 N Extension, x = 2 inches = 0.0508 m Change in length, ∆x = (15 - 10)…
Q: Calculate the energies described below in joules: (a) The work done moving a filing cabinet across…
A: (a) Given data : Force, F = 75 N Distance moved, d = 5 m then,…
Q: In the future above, a box of mass 2.5kg is initially at rest on a rough inclined plane. Assuming…
A:
Q: How much work would be done in lifting the crate straight up the 1m distance?
A:
Q: When a driver applies the brakes to keep a car going downhill at constant speed and constant kinetic…
A:
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