Solved

Kinetic Energy of a Moving Car
Engineers at Mahindra & Mahindra test how much kinetic energy a car gains when accelerating.

18 days ago

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Series Circuit in Street Lights
Street lights installed by the Delhi Electricity Distribution Company use three resistors of 2 Ω, 3 Ω, and 5 Ω in series. Find ...

18 days ago

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Roller Coaster Height Energy
At Imagicaa Theme Park, engineers calculate potential energy at the top of a roller coaster.

18 days ago

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The Triangle Stone of Destiny
After passing the Square Tree, Arjun reaches the entrance of a hidden cave. In front of the cave lies a glowing triangular stone...

18 days ago

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The Equation Guardian
After activating the Circle of Protection, Arjun walks deeper into the cave and reaches a massive stone door. Suddenly, a giant ...

18 days ago

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The Square Tree of Power
As Arjun crosses the Dividing River, he enters a sacred clearing where a giant glowing tree stands in the center. This is the le...

18 days ago

Solved

The Square Tree of Power
As Arjun crosses the Dividing River, he enters a sacred clearing where a giant glowing tree stands in the center. This is the le...

18 days ago

Solved

Newton’s Second Law – Gravitational Force on a Falling Object
During a relief mission organized by the Indian Air Force, supply packages are dropped from aircraft to remote flood-affected ar...

18 days ago

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Power of Elevator Motor
P=W/t

18 days ago

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Newton’s Second Law – Force Produced by a Car Engine
Automotive engineers at Tata Motors are testing a new electric car prototype on a straight test track in Pune. The engineers wa...

18 days ago

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Newton’s Second Law – Acceleration of Connected Objects
Engineers at Boston Dynamics are testing two robots connected by a rope on a frictionless surface. Robot A pulls Robot B using ...

18 days ago

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Tension in String for Circular Motion (Advanced Rotational Dynamics)
At the astronaut training facility of Indian Space Research Organisation, astronauts are trained using a rotating centrifuge. Th...

18 days ago

Solved

Motion of a Bead Sliding on a Rotating Rod (Non-Inertial Frame Dynamics)
Scientists at Indian Space Research Organisation are testing artificial gravity inside a rotating space station module. Inside ...

18 days ago

Solved

Maximum Power Transfer
Engineers at Texas Instruments design circuits for maximum efficiency. Internal resistance = 4 Ω Find load resistance for maxi...

18 days ago

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Kirchhoff’s Loop Law
Engineers at ISRO design spacecraft circuits. Battery = 10 V Total resistance = 2 Ω Find current in loop.

18 days ago

Solved

Mobile Charging Cable Resistance

18 days ago

Solved

Electric Heater Safety Test
Engineers at Havells test a heater connected to 220 V supply. The heater resistance is 44 Ω. They need to calculate power consu...

18 days ago

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Emergency Torch in a Power Cut
During a power outage in Lucknow, Riya uses an emergency torch powered by a battery of 6 V connected to a bulb with resistance 3...

18 days ago

Solved

Power of Moving Vehicle
Engineers at Tesla calculate how much power is required to maintain vehicle motion.

18 days ago

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Spring Energy Storage
Engineers at Bosch design suspension systems using springs. They calculate the energy stored when the spring compresses.

19 days ago

Solved

Drift Velocity in Conductor

19 days ago

Solved

Car Battery Internal Resistance
Engineers at Tata Motors test a car battery with: EMF = 12 V Internal resistance = 1 Ω External resistance = 5 Ω Find curren...

19 days ago

Solved

Power Loss in Transmission Lines
Electricity transmitted by Power Grid Corporation of India experiences power loss due to resistance. Current = 10 A Resistance...

19 days ago

Solved

Parallel Circuit in Home Wiring
Home appliances connected in parallel in a house in Gurgaon have resistances of 6 Ω and 3 Ω. Find equivalent resistance.

19 days ago

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Machine Efficiency Test
Engineers at Siemens test how efficiently a motor converts electrical energy into mechanical work.

19 days ago

Solved

Falling Object Velocity
Scientists at ISRO drop test equipment from a height to study motion under gravity. They must calculate the velocity just befor...

19 days ago

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Total Energy of Moving Object
E=KE+PE

19 days ago

Solved

Pushing a Heavy Machine
At a factory operated by Bharat Heavy Electricals Limited in Haridwar, engineers must move a heavy generator across the floor. ...

19 days ago

Solved

Newton’s Second Law – Motion on an Inclined Plane
In the mountainous region near Manali, a rescue team is testing a motorized emergency vehicle designed to climb steep slopes. E...

19 days ago

Solved

Newton’s Second Law – Acceleration of a Mars Rover
At NASA's robotics laboratory, engineers are preparing a prototype rover for a future mission to Mars. Before sending the rover...

19 days ago