Practice question
Question
A 900kg car at 14m/s hits a spring (k\=6×103N/m). What is the maximum compression?
Explanation
Initial K=12×900×142=88200J. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 88200 J. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.
Related blogs
Guides and insights connected to this topic
Earth as a System: Energy Matter and Life Notes - Geosphere, Hydrosphere, Atmosphere, Biosphere and Greenhouse Effect
Explore how the Sun, Earth's interior heat and chemical reactions drive energy and matter through the geosphere, hydrosphere, atmosphere and biosphere.
Sources of Energy Notes - Conventional vs Non-Conventional, Solar, Nuclear and Environmental Impact
Explore class 10 notes on energy sources, comparing conventional and non‑conventional types, including solar and nuclear power and their environmental impact.
Ecosystem Biology Notes - Structure, Productivity, Decomposition, Energy Flow, Succession and Nutrient Cycling
Details ecosystem structure, productivity, decomposition, energy flow, succession and nutrient cycling in terrestrial and aquatic systems.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.