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# Physics

Shanon Bosco

Lvl 10
2y ago
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Cards in this guide (6)
What term is used to describe splitting a large atomic nucleus into two smaller ones

nuclear fission

Which type of reaction is the burning of gasoline to release heat energy

an exothermic reaction

A car travels 65 km in 1 hour What is its average speed in meters per second

18 m/s

Resultant velocity is calculated using which two math functions

Resultant velocity refers to the sum of all vectors in an equation. The two math functions that are used to calculate the resultant velocity are addition and subtraction.

How can the equation force equals mass x acceleration be rewritten

Equation: Force=Mass X Acceleration
If you are looking for the force, use the equation as is.
To find the following, it's assumed that you are given the other two values:
Mass= Force / Acceleration
Acceleration= Force / Mass

Mass= force x acceleration

Force = mass x acceleration

mass = force / acceleration

acceleration = force / mass

• Since acceleration = velocity / time we can also substitute velocity / time for acceleration in any of the above.
• Since velocity = speed / time, we can also substitute speed / time for velocity or speed / (time * time) for acceleration in any of the above.
Which of these would be expected to increase the rate of sa chemical reaction

an enzyme or other catalyst

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