An archer pulls her bowstringback 0.400 m byexerting a force thatincreases uniformly fromzero to 230 N. (a) Whatis the equivalent springconstant of the bow? (b) How much work does the archer doin pulling the bow?

Q: The man push with a force of 100 N. The child and sled combo has a mass of 25 kg and the coefficient…

A: The work done by the force is given by Where F = Force, S = distance covered, θ = angle between the…

Q: The compound bow in the previous problem requires 152 J of work to draw the string back tox = 0.540…

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Q: incleved plane of angle 2o.ohasspring of force constant 305 Nn testeed securly t the botto so that…

A: Problem is from newton's laws of motion. It can be solved by using law of conservation of energy.…

Q: The breaks of a truck cause it to slow down by applying a retarding force of 6450N to the truck over…

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Q: A locomotive of mass m starts moving so that its velocity varies according to the law v = aV s,…

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Q: a force F=(3x4-5) N acts on a body movin in 1D in x direction from the point x=0 to x=4 . find the…

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Q: Figure (a) applies to the spring in a cork gun (Figure (b)); it shows the spring force as a function…

A: As per guidelines i have solved the first question.

Q: A system with only conservative forces acting on it has a mechanical energy of 50 Jand an initial…

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Q: A block of mass 2.5 kg, which has an initial velocity of 4.4 m/s at time t = 0, slides on a…

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Q: An arrow of mass 100g is drawn back so that 5J of elastic potential energy is stored in the…

A: Mass of the arrow, m = 100 g = 0.1 kg Potential energy stored in the string, U = 5 J   The final…

Q: A heavy box ins pushed on a honzontal oor or a straight sedion of length L by mearn of a force of…

A:

Q: Find the work done by a force of constant magnitude F=0,1KN.If the displacement of the body is…

A: Given data: Force, F=0.1 kN = 100 N Displacement, r=100 mm =100×10-3 m = 0.1 m Angle between…

Q: Youare riding a sled trougha frozen lake, and you accelerate the 80.0-kg combination of you and the…

A: m=80 kgvi=1 m/svf=3.5 m/st=1.5 s

Q: The resilin in the body of a flea has a forceconstant of about 24 N>m, and when the flea cocks…

A:

Q: The work required to stretch a certain spring from an elongation of 4.00 cm to an elongation of 5.00…

A:

Q: A box with a mass of 3.0 kg is accelerated from rest by a constant force across a foor at a rate of…

A: Given that,  Mass of the box, m = 3.0 kg Initial velocity, u = 0 m/s Final velocity, v = 1.7 m/s…

Q: a force of 5N is applied to an object at an angle of 51 degrees to the x-axis. The object slides in…

A: Given Force applied to the object: 5 N The angle at which force is applied : θ=51∘ Distance which…

Q: A 628-kg elevator starts from rest and moves upward for 4.10 s with constant accelerațion until it…

A:

Q: A 10N horizontal force is exerted on a 100kg object that slides on a frictionless, horizontal…

A: First method: According to the Newton’s second law, the acceleration of the object is, F=maa=Fm=10…

Q: A 8.6kg suitcase from rest was pulled by an FA at an angle 38.8degrees. The displacement after 30…

A: Given data as per question mass =  8.6 kg displacement = 16.5m angle  =  38.8

Q: After given a push, a 1.0-kg box slides down a slope that is inclined by 30◦ relative to the…

A: Given data: Mass of the block is m=1 kg The angle of the inclined plane with horizontal is θ=30o…

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 skier of mass 63 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Given:- mass of the skier m= 63 kg height h= 40 m slop is The speed of the skier is v= 2.3 m/s…

Q: The soles of a popular make of running shoe havea force constant of 2.0 * 105 N>m. Treat the…

A:

Q: What minimum speed does a 100 gg puck need to make it to the top of a 5.20 mm -long, 27.0 ∘∘…

A: Mass, m = 100 g Length of ramp, l = 5.20 m Angle, θ = 27°

Q: A hummingbird hovers by exerting a downward forceon the air equal, on average, to its weight. By…

A: Given,

Q: A 5.6kg suitcase from rest was pulled by an FA at an angle 44.1degrees. The displacement after 30…

A: mass of suitcase = 5.6 kg angle at which the force is applied = 44.1odisplacement after 30 seconds =…

Q: A student lifts a weight of 10.0N a distance of 0.5 meters. If this exercise is repeated 50 times in…

A:

Q: An ideal sprng Of Go J when Stretched by 5.0cm from epuribrim position. What Š the fariel spring…

A: Energy stored in the spring,  Deflection in the spring,

Q: A force of 11.48 Newtons was exerted by a spring to restore its original length from 124-cm to…

A: Force exerted by the spring is F=11.48 N Change in the length of the spring is x=(124-15) cm=109…

Q: leration, if the effec ures.

A: Given: Mass of crate is 45 Kg Distance is 10.1 m Friction coefficient is 0.6

Q: IF A FORCE OF 80 lb STRETCHES A 12ft SHRInk Ift. FIND THE word DONE IN STRETCHING T a) PROM 1zto…

A: Given, F=80 lb x= 1ft

Q: You’re fishing from a tall pier and have just caught a 1.5 kg fish. As it breaks the surface,…

A: mass of fish (m) = 1.5 kg Tension (T) = 16 N distance moved in vertical direction (h) = 2 m

Q: If it requires 9.0 JJ of work to stretch a particular spring by 2.0 cmcm from its equilibrium…

A: Write the expression for the work done by the spring.

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: A mechanic pushes a 3770 kg car from rest to a speed of v, doing 4845 J of work in the process. Find…

A: The car's mass is, m=3770 kg The initial sped of the car is, u=0 m/s The work done in the process…

Q: A sleigh sliding on a stiff icy mountainside obeys the law of conservation of Mechanical energy.…

A: The sleigh is initially at rest at the top of the 1 km high mountain peak. Since the sleigh is at…

Q: Find the work done by th brakes of a bicycle to reduce its speed from 10ms^1 to 4ms^1, if the…

A:

Q: Suppose the energy required to speed up a car initially at rest until the Speed V, ignoring the…

A:

Q: A vertical spring with constant 41.16 N / m rests in its equilibrium position hanging from the…

A: Given data, Spring constant,  k = 41.16 N/m Mass hung, m = 1.68 kg Displacement of the particle…