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# Tutor profile: Kristen H.

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Kristen H.
Teaching young minds for 4 years
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## Questions

### Subject:Early Childhood Education

TutorMe
Question:

What lines cross but do not make right angle?

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Kristen H.

Intersecting lines

### Subject:Physics

TutorMe
Question:

Two identical cars collide head on. Each car is traveling at 100km/h. The impact force on each car is the same as hitting a solid wall at: (a) 100 km/h (b) 200 km/h (c) 150 km/h (d) 50 km/h

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Kristen H.

The answer is (a). Since the collision is head on and each car is identical and traveling at the same speed, the force of impact experienced by each car is equal and opposite. This means that the impact is the same as hitting a solid wall at 100 km/h.

### Subject:Algebra

TutorMe
Question:

Sam and Alex play tennis. On the weekend Sam played 4 more games than Alex did, and together they played 12 games. How many games did Alex play?

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Kristen H.

S+A=12 (A+4)+A=12 2A+4=12 2A=12-4 2A=8 A=4

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