11390741
Descrição
FlashCards por Those Crepes Are Safe Fam ツ, atualizado more than 1 year ago
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Criado por Those Crepes Are Safe Fam ツ
mais de 6 anos atrás
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| Questão | Responda |
| What is the formula to calculate speed? | distance travelled ____________ time taken |
| What is the unit for measuring speed? | m/s |
| What is it called when something or someone is moving at the same speed (a steady speed)? | Going at a constant speed. |
| What does accelerate mean? | Speed up |
| On a graph, if the line is flat, what does it mean? | It means that something or someone has stopped moving. |
| On a graph, if the line is going upwards increasingly steeply, what is it called? | Accelerating. |
| If a car is going over the speed limit, then sees a speed camera in view, what might he/she do? | The biker would've slowed down. On a graph it'd look something like a line going up steeply and then curving down a bit as the speed camera comes into view. |
| What are independent variables? | Ones we can change |
| What are dependant variables? | A variable whose value depends on another. |
| What is correlation? | Correlation is a statistical measure that indicates the extent to which two or more variables fluctuate together. |
| If the independent variable is discrete, what chart should you use? | Bar chart |
| Two cars are going opposite directions, one at 70mph, the other at 60mp. How fast does it look? | 130mph because you add them together |
| Two cars are going the same direction, one at 60mph, the other at 20mph. How fast does it look? | 40mph because you minus the numbers. |
| What forces act on a plane in the sky? | Air resistance, Gravity, Lift and Thrust |
| What does it mean when all the forces are in balance? | It means that each force is perfectly balanced by an equal force in the opposite direction. |
| What is a gravitational field? | A gravitational field is an area in which an object feels a force. |
| What is weight measured in? | Newton's (N) |
| What is mass measured in? | Kilograms (kg) |
| The force of gravity on you depends on your distance from a planet. The further away you are from the Earth, the weaker the gravitational field strength, so the weaker the force pulling you back. NO ANSWER IT'S A STATEMENT | NO ANSWER IT WAS A STATEMENT Didn't you read what I said on the other side of this card? |
| What is gravity? | Gravity is the force keeping us to the ground on earth. |
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