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Q: Calculate the amount of work done if a 300 N object is lifted to a height of 2.5 m.
A: Given that Weight of object F = 300 N Height h = 2.5 m
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A: Solution:-
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Q: what is the power required to lift a 3 kg bag of nails 5 m in 10 s?
A: Mass (m) = 3kg Height (h) = 5m Time (t) = 10s
Q: the basics of work and energy.
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Q: A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m3 in 15 min.…
A: We have, Volume of water=30 m3 t=15 min=15×60 t=900 s h=40 m n=30%
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A: Basic: we know that the work done is given by force into. Displacement so we just find the small…
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A: Given data: Initial velocity (v) = 14 m/s Mass (m) = 93 kg
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Q: If the interest rate is 10%, Julia could borrow up to $91. Select one: O True
A: Correct answer is true
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A: mass of box = 35 kg initial position of box = on top of 2.25 m high chair final position of box = on…
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A: Given data The gravitational potential energy for the book is given as PEh = 200 J. The…
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Q: What is the potential energy in J of a bungee jumper standing on a 109 m bridge that weighs 85 kg?
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Q: True or False: Machines ONLY increase the amount of work that is done. A True B False
A: Solution: Given: True or False. Machines ONLY increase the amount of work that is done. A. True B.…
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Q: Calculate the moment of force F about point P. Express the results as Cartesian vector. Note:…
A: From the diagram:
Q: A cable with a mass of 3kg/meter is used to lift a 200kg load from the bottom of a 150 meter shaft.…
A: Given:- The mass per unit length of the cable is mL=3kg/m The mass of the load is M = 200kg The…
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A: The mechanical energy used to lift the steal beam helps it in lifting to top floor.
Q: How much work is required to lift a 2.99 kg object from the bottom of a well 8.8 m deep?
A: Given data: Mass of the object, m=2.99 kg Height of the well, h=8.8 m Our question is to find the…
Q: An engine does 7500 J of work in one minute. The power output of the engine is 125 flb/s 0.17 hp 6.0…
A: Work done,(W) by an engine=7500 J -----(1) [Given] Time taken,(t) by an engine=1 min=60 sec -----(2)…
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