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Q: An unmanned SpaceX rocket is fired off the launchpad in south Texas on a mission to the…
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Q: A 0.0012 C charged cart is initially at rest on a ramp (1.1m away from the bottom of the ramp). At…
A: Given: The charge on the cart is q1=0.0012 C. The initial distance of the cart from the bottom is…
Q: What two physcis Principles did you use ?
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Q: when was the electric elevator invented (smaller and more practical for taller buildings).
A: The first electric elevator was invented in 1889 by American inventor and engineer Werner von…
Q: Kinematic and potantiel energy equation?
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Q: which is more tiring, running or walking in the stairs? explain
A: Given : Which is more tiring running or walking in the stairs ?
Q: A simple wheel and axle has a wheel diameter of 3m and an axle diameter of 25cm. What effort is…
A: The diameter of the wheel: dw=3 m The axle diameter: da=25 cm=0.25 m The mass: m=850 kg Efficiency:…
Q: Describe the energy stores and tranfers that occur when balloon is burst.
A: When a balloon is stretched, then work is done against the elastic force of balloon and hence,…
Q: only a N Is applled, the boX WIII COver X distance in 4 s, and if only a 100 N is applied, the box…
A: friction force always oppose the relative motion . when we applied the force on block frictional…
Q: What is one advantage of using pneumatic power over hydraulic power?
A: The pneumatic power system has a lighter weight whereas the hydraulic power system has a heavier…
Q: A spring has a natural length of 20 cccc. If a 25 NN force is required to keep it stretched to a…
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Q: 10. Calculate the displacement and velocity at times listed below for a ball thrown straight up with…
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Q: A woman is standing on the veranda of a house which is 5.6m high. She throws a ball horizontally…
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Q: A bowling ball has a mass of 10kg and is at a height of 5 meters What is its GPE and KE at the top
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Q: work and energy. What is conservation of mechnical
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Q: how is the WORK-ENERGY THEOREM related to hydrodynamics?
A: Work energy theory states that change in kinetic energy energy of a particle is equal to the work…
Q: Cadrudate the that datves af 24 m/s end. hoe 50000J et energy.
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Q: A certain amount of fuel produces 15 quads (1 quad=1.055×1018 J) of energy. In how many days the…
A: Given that, amount of fuel produced = 15 quad 1 quad=1.055×1018 J Note : - i think demand = 1014…
Q: calculate the amount of work done is raising a glass of water of mass o.4 kg to a height of 10 cm
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Q: If a person consumes 2000 Calories (kcal) per day, how many watts of power can they generate,…
A: Answer:- Given Energy consume (E) = 2000 kcal ( 1 kcal = 4184 J ) E = 2000 × 4184 = 8368000 J…
Q: Calculate the amount of work done in raising a glass of water of mass 0.4 kg to a height of 10 cm
A: The mass of the glass of water, m = 0.4 kg The height the glass being raised to, h = 10 cm = 0.10 m…
Q: An object undergoing projectile motion was launched with an initial velocity of 15 m/s and at an…
A: Given, Initial velocity of projectile , v = 15 m/s Angle,θ = 30.0° The distance travelled in…
Q: The reservoir is filled to a depth of 5 ft, and the water is to be pumped to thesame level as the…
A: No work is done if the water is to be pumped to the same level as the top. Now,Work done(W)…
Q: A small space heater uses 1,212 Watts of power. What does it cost in dollars to use the heater for…
A: Given: The power is 1212 W. The number of the days is 30 days. The run time of the heater is 14.7 h…
Q: Suppose a theme park roller coaster has a train with six carriages. Each carriage takes eight…
A: The number of time roller coaster loads is N=60min-3min60smin30s=114times
Q: Name some physical quantities that are universally conserved.
A: The four physical quantities that are universally conserved are
Q: How much energy is possible to generate over a waterfalls. With a fall of 150ft and flow of 750,000…
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Q: Calculate what useful work is done in pumping 1000gallon of water to height of 60 feet. if this work…
A: Given: Volume of the water = 1000 gallon = 3.785 m3 Height to which the water is raised = 60 ft =…
Q: A yacht is driven by a motorboat across a river which is 2000 meters wide. The velocity of the yacht…
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Q: A cricket is chirping with an unknown power. If the sound intensity level of the cricket is 100 dB…
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Q: energyy
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Q: A circular swimming pool has a diameter of 9ft and the sides are 4ft high, and the depth of the…
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Q: Part A Calculate the distance between image and diverging lens. Express your answer to two…
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Q: Analyze how the conversation of energy was proven
A: Conservation of energy has rigorously proven by well known scientist Albert Einstein. The discovery…
Q: Is the weight of a system an extensive or intensive property?
A: The physical properties of matter divided into two extensive and intensive property. An extensive…
Q: stability
A: It is required to explain whether stability is a property of a dynamic system or not.
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