Learn about Coulomb’s Law the inverse square law of force and how French physicist Charles-Augustin de Coulomb discovered it.
What is Coulomb’s Law and How Did Coulomb Discover It?
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PHYSICS NUMERICALS
Recent Articles in Mathematics
Understanding Static Electricity: Causes Examples and Prevention
Learn about static electricity from everyday sparks to lightning. Discover causes examples like shocks from metal and how to prevent it.
Calculating Car Distance Traveled with Uniform Acceleration in 10 Seconds
Learn how to calculate the distance a car travels with uniform acceleration. Find the distance covered in 10 seconds.
Understanding Momentum: 10 Examples from Basic to Advanced Physics
Learn about momentum in physics with 10 examples from basic to advanced. Explore how momentum affects objects in motion.
Calculating Mass: Methods and Examples for Different Scenarios
Learn how to calculate mass using different methods from converting grams to kilograms to finding mass from weight or density. Essential examples included.
Understanding Newton’s Law of Gravitation: A Detailed Explanation and Example
Learn how Newton’s Law of Gravitation describes the force of attraction between masses. This example calculation demonstrates the formula in action.
Solving Projectile Motion: Finding Maximum Height and Time of Flight Using a Quadratic Equation
Learn how to solve projectile motion problems using quadratic equations. Find the maximum height and time of flight for a projectile launched at a 45-degree angle.
Navigating the CBSE Board Exams 2025: A Comprehensive Guide
Conquer the CBSE Board Exams 2025 with our guide! Learn effective study strategies, time management tips, and overcome exam anxiety for success.
Swimmer in a River: RELATIVE AND ABSOLUTE MOTION NUMERICAL PROBLEMS
A swimmer is crossing a river that flows at 2 m/s. The swimmer’s speed relative to the water is 4 m/s.
Determine the swimmer’s speed relative to the riverbank (absolute motion) when swimming directly downstream.
Determine the swimmer’s speed relative to the riverbank when swimming directly upstream.
A Boat is moving downstream on a river. Determine the speed of the boat relative to the riverbank (RELATIVE AND ABSOLUTE MOTION NUMERICAL PROBLEMS)
A boat is moving downstream on a river. The river flows at a speed of 3 m/s relative to the riverbank. The boat’s engine propels it at a speed of 7 m/s relative to the water.
Determine the speed of the boat relative to the riverbank (absolute motion).
If the boat turns around and starts moving upstream, what will be its speed relative to the riverbank?
Drive, Walk, Refuel: Find Displacement, Time & Velocity
You drive a car on a straight road at a constant speed of 70 km/h for a distance of 8.4 km, after which the car runs out of fuel. You then walk a further distance of 2 km for 30 minutes to reach the gas station. a) What is the total displacement from the beginning of your drive to your arrival at the gas station? b) What is the total time interval from the beginning of your drive to your arrival at the gas station? c) What is the average velocity from the beginning of your drive to your arrival at the gas station?
Numerical Examples in Motion in One Dimension – Kinematics
These problems encompass a variety of scenarios involving motion in one dimension, designed to reinforce the understanding of key concepts such as constant velocity, acceleration, deceleration, and the equations of motion.
Numerical Problems on Motion for 9th Class/Grade
Get ready to tackle challenging numerical problems on motion tailored for 9th-grade students. Our comprehensive guide covers a range of physics concepts, from velocity to acceleration. Sharpen your problem-solving skills and gain a deeper understanding of motion with these engaging exercises and solutions.