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The angular momenta of a particle in four different situatio…

The angular momenta of a particle in four different situations are (1) ℓ = 3t + 4; (2) ℓ = −6t2; (3) ℓ = 2; (4) ℓ = 4/t In which situations is the net torque acting on the particle negative and increasing in magnitude?

Published August 11, 2021
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Short Essay:  Explain the 5ps of policy design.  When explai…

Short Essay:  Explain the 5ps of policy design.  When explaining them, rank them in order of most important/effective to least important/effective in your opinion.

Published August 11, 2021
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 Explain the difference between renewable and non-renewable…

 Explain the difference between renewable and non-renewable resources?

Published August 11, 2021
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Provide 2 examples of mitigation and 2 examples of adaptatio…

Provide 2 examples of mitigation and 2 examples of adaptation in terms of addressing global warming concerns.

Published August 11, 2021
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_____ of climate scientists worldwide agree that climate cha…

_____ of climate scientists worldwide agree that climate change-global warming is due to human activities.

Published August 11, 2021
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Short Essay:  Discuss the energy transition by breaking down…

Short Essay:  Discuss the energy transition by breaking down the figure above.  Please, please remember the effort required on these questions.

Published August 11, 2021
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Consider the pendulum shown below, consisting of a disk of o…

Consider the pendulum shown below, consisting of a disk of of mass 0.5 kg and radius 10 cm and a massless rod of length 0.5 m. What is the period of small oscillations of the pendulum in seconds?

Published August 11, 2021
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Use the wave equation to find the speed (in m/s) of a wave g…

Use the wave equation to find the speed (in m/s) of a wave generated by y(x,t) = (2.00 mm) sin[(20 m−1)x−(4.0 s−1)t].

Published August 11, 2021
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Three 5.0 kg spheres are held at distances d1=d2= 0.54 m apa…

Three 5.0 kg spheres are held at distances d1=d2= 0.54 m apart as shown in the figure. What is the potential energy (in nJ) of the system? Note: 1 nJ = 10-9 J

Published August 11, 2021
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A uniform rod AB is 1.2 m long and weighs 16 N. It is suspen…

A uniform rod AB is 1.2 m long and weighs 16 N. It is suspended by mass-less strings AC and BD as shown below. A block P weighing 96 N is attached at E, 0.30 m from A. The magnitude of the tension force in the string BD (in N) is:

Published August 11, 2021
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