# Why is momentum denoted by P?

The origin of the use of p for momentum is unclear. It has been suggested that, since m had already been used for “mass”, the p may be derived from the Latin petere (“to go”) or from “progress” (a term used by Leibniz).

## Is IB Physics difficult?

IB Physics is one of the hardest subjects and that is probably true if you consider the level of problem-solving required in IB Physics (particularly higher level) and the advanced concepts you have to learn.

## What does IB mean in physics?

The International Baccalaureate Diploma Programme is made up of a core and six subject groups. The core has three compulsory elements: Theory of Knowledge.

## What is impulse IB physics?

The linear momentum (p) is given by the equation. The linear momentum (p) is a vector with the same direction as the velocity of an object. The change of momentum of an object is called impulse.

## Is there an IB physics?

The IB Diploma Programme physics higher level course exposes students to this most fundamental experimental science, which seeks to explain the universe itself— from the very smallest particles to the vast distances between galaxies.

## Is it hard to get a 7 in IB?

About 5% of my English Lit HL students have scored a 7 over my 15 year career. About 10-15% have the chance to do so when they start IB1.

## Is IB harder than AP?

Is IB harder than AP? It depends. Some students argue that IB is more challenging because of the emphasis on critical thinking and the more application-focused evaluations. However, both IB and AP classes are considered college-level courses that many students find challenging.

## Is a level physics harder than IB physics?

The IB is significantly tougher. Soemthing like 25% of people get As at A-level; only 7% or so do in IB.

## What are the IB physics options?

• Option C – Digital Technology Option.
• Option E – History and Development of Physics SL.
• Option E – History and Development of Physics HL.
• Option F – Astrophysics SL.
• Option F – Astrophysics HL.
• Option G – Relativity (HL)
• Option G – 2010 Electromagnetic waves (HL)
• Option H – Optics SL.

## What is the unit of momentum?

Therefore, the unit for momentum can be Newton-second (Ns). In the CGS system, if the mass is in grams and the velocity in centimeters per second, then the unit of momentum will be gram-centimeters per second (g⋅cm/s).

## What is FN in physics?

Normal force (Fn) can be calculated by the application of Newton’s Second Law (F=m*a). On a flat surface, for example, Fn can be calculate by Fn=m*g. On a surface inclined with an angle X, Fn can be calculated by Fn=m*g*cosX.

## How do you get a 7 in Physics IB?

1. Know Your IB Physics Syllabus.
2. Annotate Your IB Physics Syllabus.
3. Maximize Your IB Physics Internal Assessment (IA) Scores.
4. Make Sure You Understand Each Point Before You Move On.
5. Effective Time Management.
6. Do IB Physics Past Paper Questions.
7. Scrutinise IB Physics Mark Schemes.

## Is IB Physics HL easy?

IB Physics HL and SL are difficult courses. Even with the best teacher, you will likely need to spend some time studying on your own to understand the most difficult concepts covered in the course.

## What is the easiest IB HL?

Physics is the easiest subject to score a 7 in, with 23% scoring 7s at SL and 30% scoring 7s at HL. Chemistry is in the middle, with 14% achieving a 7 at SL and 26% achieving a 7 at HL.

## Is 42 a good IB score?

Figure 1 shows that the higher an IB student’s overall points score the greater their likelihood of a good result in Cambridge Arts & Social Sciences courses. A score of 41 points suggests an at- average likelihood of a II. 1 or a First; a score of 42 points suggests a better-than-average likelihood.

## Is 27 a good IB score?

Good IB scores—as with any academic qualifications—are subjective, being highly dependent on a student’s target university (and country) and preferred course. All IB students are required to score a minimum of 24 points for six subjects. The average IB scores throughout the years have varied between 28-30 points.

## Is 37 a good IB score?

A score in the 40s will make you a more competitive candidate academically (note: a lot of non-academic factors are at play), but a 38+ is considered a good IB score. If you’re aiming for the Ivies, you certainly don’t want to be dipping below the 36 mark.

## What is the hardest HL in IB?

• The 5 Hardest IB subjects are Math HL, Chemistry HL, Physics HL , History HL and Biology HL.
• Group 1 English A Literature SL Group 2 French AB SL Group 3 History HL Group 4 Math AI HL Group 5 Physics HL Group 6 Visual Arts / Music.

## How hard is it to get 45 in IB?

Achieving a perfect score in IB is hard but not impossible! Less than 1% of IB candidates achieve an IB 45 world-wide.

## How hard is it to get 40 in IB?

Getting above 40 points in IBDP sounds pretty hard but is actually achievable with good organisation and clever planning. If you are self-driven, multitasker and good at time management, you are already at the first step of success.

## Does Harvard accept IB?

The short answer is that Harvard does take IB scores into consideration. In fact, it is believed that a high scoring IB diploma (DP) correlates well with success in the Harvard application.

## Does MIT accept IB?

While AP and IB classes allow you to take the end-of-course exams for college credit, MIT generally does not accept the credit from these tests.

## Does IB help get into Ivy League?

The acceptance rate of IB Students into Ivy League institutions is between 3 and 13 percentage points higher compared to the total population acceptance rate.

## What are the hardest IB classes?

1. Further Maths HL. The Further Maths HL course in IB is easily one of the hardest subjects to nail from the lot.
2. Maths HL.
3. Chemistry HL.
4. Physics HL.
5. History HL.

## How do I ace physics IB?

1. GET TO KNOW THE SYLLABUS! This may surprise you, but the IB Physics syllabus is a relatively simple read-through.
2. IDENTIFY YOUR OWN STRENGTHS AND WEAKNESSES.
3. KNOW HOW TO APPROACH TRICKY PROBLEMS.
4. KEEP IT PRACTICAL!
5. PRACTICE EXAM TECHNIQUE.