you lift a 2 kg box from the first to the second floor of a building...
you lift a 2 kg box from the first to the second floor of a building by climbing the stairs and perform 300j of work. how much work is needed to lift the box, straight up vertically, from the first to the second floor of the same building
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you lift a 2 kg box from the first to the second floor
of a building...
Imagine that there is a heavy box sitting on the floor that you want to lift...
Imagine that there is a heavy box sitting on the floor that you want to lift up & carry across the room. A. How do the forces compare: i. The force initially needed to lift the box off the ground ii. The force needed to continue lifting the box (vertically) in order to then carry it across the room? B. Explain why this makes sense to you.
When you lift a box from the floor to a shelf, the potential energy of the...
When you lift a box from the floor to a shelf, the potential energy of the box on the shelf Question 23 options: a) all of the above. b) equals 1/2 mv2. c) is converted to heat as the box is raised. d) equals the work against gravity that you did on the box.
1a) How much work is required for a 60 kg person to climb the stairs near...
1a) How much work is required for a 60 kg person to climb the stairs near the entrance of Science 2 from the first floor to the second floor? The incline angle of the stairs is 30°, and the total height is 3.5 m. b) Suppose the same person decides to take the steeper staircase (incline ~ 35°) in the corner of the building instead. Would the work necessary to ascend to the second floor be greater, smaller, or the...
You push a 67 kg box across a floor where the coefficient of kinetic friction is uk =
You push a 67 kg box across a floor where the coefficient of kinetic friction is uk = .55. The force you exert is horizontal. (a) How much power is needed to push the box at a speed of .50 m/s? (b) How much work do you do if you push the box for 35 s? *please list the steps to work out this question.
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor...
(1) Suppose you lift a stone that has a mass of 5.3 kilograms off the floor onto a shelf that is 2 meters high. How much work have you done? Joules (2) Suppose you lift a laptop that weighs 3.2 pounds off the floor onto a shelf that is 4 feet high. How much work have you done? foot-pounds (3) The force on a particle is described by 9x^3−1 pounds at a point xx feet along the x-axis. Find the...
all parts Tet es P 250 11/20/2019 Problem 1i Be sure to show how yo solved...
all parts
Tet es P 250 11/20/2019 Problem 1i Be sure to show how yo solved the erebdem or eplain your answer of you will receive zero credit. Note there are twe separate parts to this problem (A and B) thal ar sot related A) In the figure shown, a women is pulling a suitcase across the airport terminal floor The force she exerts along the strap attached to the suitcase is 70 N and the strap is at an...
The second floor of a house is 6 m above the street level. How much work...
The second floor of a house is 6 m above the street level. How much work is required to lift a 350-kg refrigerator to the second-story level?
You do 1000 J of work lifting a 25 kg box from the floor to a...
You do 1000 J of work lifting a 25 kg box from the floor to a shelf, only to have it accidentally fall off. About how high is the shelf?
You lift your school case from the floor and on the table with steady speed. The...
You lift your school case from the floor and on the table with steady speed. The table has 1.2 m height and by lifting the school case you use 147 N force and it takes you 2 seconds. a) How much work do you do by lifting the school case? b) What is the power you use by lifting the school case?
A box of mass 6.0 KG accelerates from rest by a force across the floor at...
A box of mass 6.0 KG accelerates from rest by a force across the floor at a rate of 2.3 m/s^2 for 5.0s. Find the net work done on the box if the weight is pulled up by a force of 85 N.
all parts
Tet es P 250 11/20/2019 Problem 1i Be sure to show how yo solved the erebdem or eplain your answer of you will receive zero credit. Note there are twe separate parts to this problem (A and B) thal ar sot related A) In the figure shown, a women is pulling a suitcase across the airport terminal floor The force she exerts along the strap attached to the suitcase is 70 N and the strap is at an...
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