32. A ______________ force is a force that does zero work on a closed path.   a. Non-conservative b. Conserved c. Conservative d. Non-conserved

Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…

A: Work done by boy W= mgh Given that m= 5kg  h= 0.7m

Q: A 75-kg roofer climbs a vertical 7.0-m ladder to the flat roof of a house. He then walks 12 m on the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 200-incline. The pulling force is 100 N parallel to…

A: (d) The direction of the normal force is perpendicular to the inclined plane, in which it has no…

Q: 1. The figure to the right shows a mall shopper pushing on a 11.0 kg grocery cart by constant force…

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Q: A 180 kg block is pulled at a constant speed of 2.0 m/s across a horizontal floor by an applied…

A: Given :M=180 kgv=2 m/sF=132 Nθ=16°where,M→mass of the blockv→speed of the blockF→force…

Q: A sled dog can accelerate a 250 kg sled from 0 m/s to 8.5 m/s in 8 s. (8 Points) a. How far will the…

A: (a) Sleg dog has traveled Xf= 34 m in that time. (b) work done W= 9031.25 Joules

Q: A rope is tied to a box and used to pull the box 1.6 m along a horizontal floor. The rope makes an…

A: Given: The length of the horizontal floor is 1.6 m. The rope angle with horizontal is 30°. The…

Q: The goal of a worker is to slide a 20-kg crate up a 2.5 m-long inclined at 25°. The worker was…

A: Given information: Here, m is the crate’ mass, θ is the inclination angle, s is the actual distance…

Q: In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

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Q: 2. A 59 kg person climbs up the stairs with a height of 5.5 m. a.How much work does the person do?…

A: Given , Mass of person( m) = 59 kg Height climbed by person (h)= 5.5 m

Q: (a) A 75.0 kg man pushes on a 5.0 x 105 ton wall for 250 s but it does not move. How much work does…

A: (a) F=Forces=Displacement of wall=0 Work done is given by W=Fs=F×0=0 The work that the man does on…

Q: A 86 kg block is pulled at a constant speed of 8.9 m/s across a horizontal floor by an applied force…

A:

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

A:

Q: 1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total…

A: (a) Find the amount of work done on the sled. W=Fdcosθ=1.20×102 N5.0 mcos0°=6×102 J=600 J

Q: A 5-kg package is pushed 2 m up a ramp that is inclined at 120 above the horizontal by a 100-N force…

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Q: While an airplane is in flight, the pilot announces that an emergency landing has to occur.  In…

A: Given quantities: mass of the passenger (m) = 82 kg height through which it descends (H) = 391 m…

Q: A crate of mass 10.0 kg is pulled up a rough 20o- incline. The pulling force is 100 N parallel to…

A:

Q: 40. A car without gas is pushed along a horizontal concrete road with a constant amount of force by…

A: From Newton's laws of motion we have,  F=ma Here, F is the applied force, m is the mass and a is the…

Q: 3. A certain force applied on an object is depicted below. (a) What is the work done by the force…

A:

Q: A 5-kg package is pushed 2 m up a ramp that is inclined at 12° above the horizontal by a 100-N force…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: How much work must a spring with a constant of 8.3 x 104 N/m do to stop a 1,520-kg vehicle traveling…

A:

Q: 4. A large water tank is filled by pumping water into it from a reservoir below, using electric…

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Q: 4. A 10kg object is travelling at a speed of 10m/s and then encounters a rough patch for 2m after…

A:

Q: A 89 kg block is pulled at a constant speed of 5.2 m/s across a horizontal floor by an applied force…

A: Given data: Mass (m) = 89 kg Constant Speed (v) = 5.2 m/s Applied force (F) = 105 N Angle between…

Q: grocery cart is pulled along a rough horizontal surface with a force of 6.0 N. It moves through a…

A: Given,A grocery cart is pulled along a rough horizontal surface with a force, F = 6.0 Ndistance…

Q: 3. Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A:

Q: A 120 kg block is pulled at a constant speed of 8.0 m/s across a horizontal floor by an applied…

A: mass of block = m = 120 kg speed = V = 8 m/s applied force = F = 126 N angle = 18 degrees

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 200-incline. The pulling force is 100 N parallel to…

A: In this question we have to find the work done and energy for the given situation. Please give…

Q: A rock climber wears a 7.5 kg backpack while scaling a cliff. After 30.0 min, the climber is 8.2 m…

A: Given: weight of the backpack=7.5 kg; t=30 min; d=8.2m; To find: (a) work done by the climber on the…

Q: (a) Find the work done by a crane which raises a load of 250 kg through a distance of 5.6 m. (b)…

A: (a) Given- Mass m= 250 kg Distance d= 5.6 m The work done by a crane W=F.d =mgd =250×9.8×5.6=13720 J

Q: 42. (a) How much work is done when you push a crate horizontally with 100 N across a 10-m factory…

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Q: (II) A 66.5-kg hiker starts at an elevation of 1270 m andclimbs to the top of a peak 2660 m high.…

A: a) Change in potential energy is given by,…

Q: A 70.5-kg hiker starts at an elevation of 1260 m and climbs to the top of a peak 2800 m high.…

A:

Q: A small 25g toy rocket is launched straight up from the ground at 144 km/h (a) What is the  kinetic…

A: Given : m = 25g = 0.025 kg v = 144 km/h = 40 m/s h = 220 m

Q: Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average…

A: a) The expression for find force is P=F·vF=Pv The expression for find Work done is W=F·d=Pvd

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 20°- incline. The pulling force is 100 N parallel…

A: Given: The mass of the crate is 10 kg. The angle of inclination is 20o. The pulling force is 100 N.…

Q: Getting water from a reservoir requires pumping it with the use of a motor. Using a motor driven…

A: Given,  Mass of water lifted (m) = 3×106  kg Average height (h) = 80 m ttime taken = 12 min= 720 sec

Q: 1. A jeep with mass of 2000 kg is going 18 m/s at the bottom of a hill that is 50.0m high. When it…

A: 1. According to the kinematics equation, the acceleration of the object is,…

Q: 1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total…

A: Given data: The total mass of the sled and salmon is, m = 50.0 kg Eskimo exerts a force of magnitude…

Q: ) You went to a construction site and noticed that a 50 kg bag of cement was lifted 2.0 m above the…

A: Given  Mass of bag m=50kg height h=2m time t=10sec

Q: 1-) A box with a mass of 10 kg is pulled along a roughly inclined plane at an initial speed of 1.5 m…

A:

Q: A 59 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force…

A: Given data:   Constant Speed (v) = 4.4 m/s Force (F) = 121 N Angle (θ) = 35°, above the horizontal…

Q: 6.33 A 60-kg woman walks up a flight of stairs that connects two floors 3.0 m apart. (a) How much…

A: Given : m = 60 kg h = 3 m

Q: 3. Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 1) You throw a ball straight up. Compare the sign of the work done by gravity while the ball goes…

A: