Where do we use how long?
Where do we use how long?
How long? is used to ask questions about amounts or periods of time. Take a look at the following: ‘How long have you been waiting?’ ‘Only for a minute or two.
How far means?
You use how far when you are asking about a distance. How far is it to Seattle? He asked us how far we had come. However, don’t use ‘far’ when you are stating a distance. For example, if you say that it is not far to a place, you mean that the place is not a long distance from where you are.
How do you respond to how far?
They aren’t referring to the time it took you to get to them or the journey you are about to embark on. In short, How far can also mean you should update the one asking about something you both discussed before or earlier. To reply you just say “ Bros or chairman I dey oooo” or “I’m alright”.
What does distance mean in math?
The distance between two points is the length of a straight line segment that links them. The distance of a point from a line is the length of the shortest line segment from the point to the line. This will also be perpendicular to the line.
Is subtraction a distance?
Whenever we want want to find the distance between two numbers, we always subtract. Recall that subtracting a negative number is adding.
What is acceleration * time?
definition. When the velocity of an object changes it is said to be accelerating. Acceleration is the rate of change of velocity with time. Acceleration occurs anytime an object’s speed increases or decreases, or it changes direction.
How do you calculate the average acceleration?
How do you find average acceleration?
- Work out the change in velocity for you given time.
- Calculate the change in time for the period you are considering.
- Divide the change in velocity by the change in time.
- The result is the average acceleration for that period.
What is acceleration formula Class 9?
Formula for Acceleration. Acceleration = Change in Velocity/Time Taken. Acceleration = (Final Velocity – Initial Velocity)/Time Taken. a = (v – u)/t.
What is the difference between acceleration and average acceleration?
Acceleration is defined as the rate of change of velocity. For a particular interval, the average acceleration is defined as the change in velocity for that particular interval. Unlike acceleration, the average acceleration is calculated for a given interval.
What is the ratio of average acceleration?
During OA, acceleration =tan30∘=1√3ms-2. During AB, acceleration =-tan60∘=-√3ms-2. requried ratio =1/√3√3=13. Answer.