A vessel contains a mass X of helium gas and a mass 2X of oxygen gas. Molar mass of helium = 4 g

A fixed mass of an ideal gas expands slowly at constant temperature in a container. Three statements

A balloon of volume V contains 10 mg of an ideal gas at a pressure P. An additional mass of the gas

The density of an ideal gas is 1.4 kg m when its pressure is 0.1 MPa. What is the average

A sample of a gas has volume V and contains N molecules, each of mass m. The average translational

Two samples of a gas are kept in separate containers. The molecules ofeach sample have the same

Two containers, X and Y , are filled with an ideal gas at the same pressure. The volume of X is four

A spacecraft is flying past a space station at a relative speed of 0.80c. Beacons, Rand F, at each

A spaceship leaves Earth and travels at a speed of 0.60c relative to the Earth to a point P.P is 3.0

A spaceship is travelling at 0.60c from Earth when it launches a probe at 0.10c relative to the spac

Two spaceships, X and Y move in opposite directions away from a space station. The speeds of the spa

A spacecraft, moving with speed v relative to Earth, passes Earth on its way to a planet. As the spa

The average temperature of the surface of a planet is five times greater than the average temp

In a simple climate model for a planet, the incoming intensity is 400 Wm and the radiated intensity

A black body at temperature T emits radiation with peak wave length and power P. What is the temp

The diagram shows a simple model of the energy balance in the Earth surface-atmosphere system.

The diagram shows, for a region on the Earth’s surface, the incident, radiated and reflected

A planet has an albedo of 0.30. A simplified energy balance for the planet is shown. What is the

Light of intensity 500 W m is incident on concrete and on snow. 300W m is reflected from the concret

Two surfaces X and Y emit radiation of the same surface intensity. X emits a radiation of peak

EP 14 - Rotational Motion -Moment of Inertia- AP Physics - Crash Course

EP 13 - Rotational Motion - AP Physics - Crash Course

EP 12 - Momentum - AP Physics - Crash Course

EP 11 - Energy - AP Physics - Crash Course

EP 10 - Work Power - AP Physics - Crash Course

EP 9 - Circular Motion - AP Physics - Crash Course

EP 8 - Friction - AP Physics - Crash Course

EP 7 - Application of Newton's Law of Motion - AP Physics - Crash Course

EP 6 - Newton's Law of Motion - AP Physics - Crash Course

EP 5 - Forces - AP Physics - Crash Course

EP 4 - Kinematics Relative Motion - AP Physics - Crash Course

EP 3 - Kinematics Projectile Motion - AP Physics - Crash Course

EP 2 - Kinematics Suvat Eqn & Graphs - AP Physics - Crash Course

EP 1 - Kinematics Basics - AP Physics - Crash Course

A solid cylinder of mass m and radius r rests on a horizontal surface. A massless, non-stretchable

Determine the effective resistance between A & B .

Data Based Question IB WS Q5 Paper 1B | An array of photovoltaic cells is used to provide electrical

AP Physics 1 FRQ 2024 Q5 | At time t = 0, Block A slides along a horizontal surface toward Block B

AP Physics 1 FRQ 2024 Q4 | A simple pendulum consists of a small sphere that hangs from a string

A cart of mass M is approaching a hill with a circular top of radius R, as shown in the figure above

Data Based Question IB WS Q4 Paper 1B | A hot object may be cooled by blowing air past it. This cool

The speed 𝑣 of a vehicle travelling along a straight level road is shown below. It starts from

How to have components of Forces in Physics Problems

Data Based Question IB WS Q3 Paper 1B | The diagram below shows two parallel conducting plates

Data Based Question IB WS Q2 Paper 1B | A student carries out an experiment to determine the variati

AP Physics 1 FRQ 2024 Q3 | Step-by-Step Solution | The left end of a uniform beam of mass M and leng

Data Based Question IB WS Q1 Paper 1B | Student investigates the oscillation of a horizontal rod han

AP Physics 1 FRQ 2024 Q2 | Step-by-Step Solution | A student hangs a spring of unknown spring consta

AP Physics 1 FRQ 2024 Q1 | Step-by-Step Solution | A block of mass M is released from rest at Point

AP Physics 1 FRQ 2025 Q4 | Step-by-Step Solution | In Scenario 1, a swimmer holds a block of mass m

AP Physics 1 FRQ 2025 Q3c | Step-by-Step Solution | The students have an identical meterstick of mas

AP Physics 1 FRQ 2025 Q3 | Step-by-Step Solution | Students are investigating balancing systems usin

AP Physics 1 FRQ 2025 Q2 | Step-by-Step Solution | A block of mass M is released from rest at positi

AP Physics 1 FRQ 2025 Q1 | Step-by-Step Solution | A student has a cart of mass Mc and a block of m

A single loop of wire of resistance 10 Ω has its plane perpendicular to a changing magnetic field.

Wire XY moves perpendicular to a magnetic field in the direction shown.The graph shows the variation

A rectangular conducting coil rotates at a constant angular velocity ina uniform magnetic field.

Introduction to IB Physics DP1 HL/SL

A resistor of resistance R is connected to a fully charged cell of negligible internal resistance.

The diagram shows a resistor network. The potential difference between X and Y is 8.0 V. What is the