Find the potential energy and kinetic energy at each point (1-5). No solution required. m= 10 kg 2m 10m 5m 7m
Q: The figure represents the work curve. How much work is done? 4 5 x (m) F (N) 0
A: Given is Force vs displacement curve. we know that work done is equal to the dot product of force…
Q: A 6 kg ball falls from height of 32. What willbe potential energy of the ball after 1 second? Use g…
A: The given values are: mass m=6 kg height h=32m time t=1 sec
Q: Someone lifts 120g of snowballs off the ground, raises them to a height of 100 cm, and then throws…
A: m=120 g = 0.120 kg h=100 cm = 1 m v=10 m/s g=10 m/s^2 Work done = energy
Q: How much work W is done by the force to move the object from x=2 m to xy=7 m? F. (N) 6 0 2 4 6 8 10…
A: Given :- Graph between force and distance.
Q: A 4 kg ball falls from height of 29 . What willbe potential energy of the ball after 1 second? Use g…
A: Given data: mass m = 4 kg height h = 29 m time t = 1 sec
Q: 7.) Estimate the work you do to mow a lawn 10 m by 20 m with a 50-cm-wide mower. Assume you push…
A: Given lawn size = 10 m x 20 m mower width = 50 cm mower. force = 20 N . To find out Work done
Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…
A: in this question we use simple work equation.
Q: The figure represents the work curve. How much work is done? 因 0 5 x (m) F (N)
A: Answer : Work-done is nothing but the area under that straight line in the above Force-Displacement…
Q: what is the PE of a 4 kg object that is 5 m above the ground?
A: Given data: The mass of the object is: m = 4 kg The height of the object from ground level is: h…
Q: A 3 kg particle starts from rest at x = 0 and moves under the influence of a single force F= 10 + 5x…
A: The work done by a force F(x) on a particle as the particle moves from x = a to x = b, is given…
Q: When a 101 g mass is has stretched a k-9,75 N/m spring 20.4 cm, how much potential energy has been…
A: Given: Mass is m=101kg. Spring constant k=9.75Nm. Stretch in the spring is ∆x=20.4cm.
Q: If a man lifts a 20.0‐kg bucket from a well and does 6.00 kJ of work, how deep is the well? Assume…
A: Mass of bucket (m) = 20.0 kg Work done ( W ) = 6.00 kJ
Q: 4kg eagle picks up a 75g snake and raises it 2.5 m from the ground to a branch. What is the work…
A: Given: mass of eagle = 4kg mass of snake = 75g altitude = 2.5 m
Q: 102 kg man climbs a 3.2 meter high staircase at constant speed. How much work has he done? (=9.8 m/s…
A:
Q: A 3.2-kg bucket of water is lifted vertically 2 m How much work against gravity is done? Use g =…
A: Mass of bucket of water = 3.2 kg Vertical distance = 2 m g = 9.8 m/s2
Q: 4. A 10kg object is travelling at a speed of 10m/s and then encounters a rough patch for 2m after…
A:
Q: If a 1 kg stone is thrown vertically upward w/ a kinetic energy of 680 J. it will rise to height of…
A: According to conservation of energy , the kinetic energy of stone is equal to the potential energy…
Q: How much work (in J) is done by the boy pulling his sister 34 m in a wagon as shown in the figure…
A: F=40 N (applied force) d=34 m (displacement) θ=30o (angle between F⇀ and d⇀)
Q: Which of the following statements are true about potential energy? Include all that apply. Moving…
A: Given: The cases in which the potential energy is to be discussed
Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…
A: The force on a particle directed along x axis is given by,
Q: How much potential energy does a person of mass 57 kg have if they are standing at the top of a…
A: Potential energy is given by U = mgh m = 57kg, h =62.4 m , g = 9.81 m/s2 U = 57*9.81*62.4 =…
Q: A 98 kg bicyclist traveling 15 m/s coasts up a 5 m high incline. After reaching the top of the…
A:
Q: A 2kg steel sphere is dropped from a height ʼn and, when it hits the ground, its kinetic energy is…
A:
Q: ) How much work do you do if you carry a 100 N backpack up a flight of stairs with a height of 5 m?…
A: FORCE=100n DISPLACEMENT=5M work done by you=(force)(displacement)=100 X 5m=500J (ANSWER)
Q: X A 10 Kg object is raised to a height of 2m in 5s. What is the rate of work done? * 10 『- 10%メ 10…
A: Given, mass of an object, m = 10 kg height above the ground, h = 2 m time taken, t = 5 s
Q: A weight lifter bench‑presses a 150.0 kg barbell from his chest to a height equal the length of his…
A: Using work energy theorem,
Q: A woman lifts a single shopping bag weighing 100N from the ground to a height of 15cm. She then…
A: Solution: Given that weight = 100 N distance d = 2km = 2000 m height = h = 15 cm = 0.15 m
Q: Which of the following is true? Kinetic energy from L to M is not constant. Potential energy is…
A: Potential energy is due to position of object while kinetic energy is due to motion of object .
Q: 1. A 500 – N box is pushed across a horizontal floor with a force of 250 N. The coefficient of…
A: Given: N=mg=500 kg (N is the reaction force) Force, F=250 N Co-efficient of kinetic friction, μ=.40…
Q: A 55 kg person walks up three flights of stairs a distance of 10 m. How much work was done by…
A: Work done by the student in climbing the stairs is , W = force × displacement W= mg× d Given, mass…
Q: A man whose mass is 70 kg walks up to the third floor of a building. This is a vertical height of 12…
A: Given data: Mass of the man m = 70 kg Height of the floor =12 m
Q: A 12 kg ball falls from height of 27. What willbe potential energy of the ball after 1 second? Use g…
A: mass of the ball is m = 12 kg Initial height H = 27 m, let d be the distance travelled by the ball…
Q: A force of 12 N is used to lift a box 0.5 meters above a floor. What amount of work was done to lift…
A: Given : Force (F) = 12 N Height (h) = 0.5 m
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