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b)A cylinder has a mass of 20kg and is released from rest when h=0 as shown in the figure.Determine its speed when h=3m.The springs have an unstretched length of 2 m.Take k=40 N/m.
Given : m=20 kg
h=0
k=40 N/m
To find : Speed when h=3m
Concept: Principle of Work and Energy
Just before they collide,two disk on a horizontal surface have velocities shown In figure.
Knowing that 90 N disk A rebounds to the left with a velocity of 1.8 m/s.Determine the rebound velocity of the 135 N disk B.Assume the impact is perfectly elastic.
Concept: Law of Conservation of Momentum
What are the main causes of soil degradation?
Concept: Introduction to Depletion of Natural Resources
How increasing population is exerting extra pressure on land and mineral resource discuss.
Concept: Global Crisis Related to – Population, Water, Sanitation and Land
What do you mean by land filling? Explain briefly.
Concept: Global Crisis Related to – Population, Water, Sanitation and Land
Explain case study of kedarnath.
Concept: Definition, Scope and Importance of Environmental Study
Explain depleting nature of forests: causes, effects and prevention.
Concept: Introduction to Depletion of Natural Resources
Write a short note on ‘Water crisis’.
Concept: Global Crisis Related to – Population, Water, Sanitation and Land
What is ecological succession?
Concept: Concept of Ecological Succession and Its Impact on Human Beings
Explain global environmental crisis pertaining to population.
Concept: Global Crisis Related to – Population, Water, Sanitation and Land
Explain the causes and effects of depletion of natural water resourecs.
Concept: Introduction to Depletion of Natural Resources
What are the reasons for depletion of soil resources?(What are the reasons for depletion of soil resources?
Concept: Introduction to Depletion of Natural Resources
Why there is need for public awareness on environmental education.
Concept: Need for Public Awareness of Environmental Education
Write important features of case study on Narmada Bachao Andolan, took place in Gujrat in1980.
Concept: Definition, Scope and Importance of Environmental Study
What is ecological succession? What is its impact?
Concept: Concept of Ecological Succession and Its Impact on Human Beings
Explain the reason and effects of depletion of natural forest resources.
Concept: Introduction to Depletion of Natural Resources
Discuss the role for 3R in sustainable development.
Concept: Social, Economical and Environmental Aspects of Sustainable Development
Explain Environmental aspects of sustainable development.
Concept: Social, Economical and Environmental Aspects of Sustainable Development
Explain Environmental Impact Assessment (EIA).
Concept: Social, Economical and Environmental Aspects of Sustainable Development
Explain the concept of socio-economic aspects of sustainable development .
Concept: Social, Economical and Environmental Aspects of Sustainable Development
