1. If a 25 kg car accelerates at a speed of 100m/s2,2 what will the force of the car be?
1 answer:
You might be interested in
Answer:
Explanation:
When a number is written in scientific notation (representing the number using powers of base ten) it is expressed so that it contains a digit in the place of the units and all other digits after the decimal point, multiplied by the respective exponent.
Then, the significant figures (or significant digits) will be the digits that are before the power of ten.
Now, in the case of the number 299,792,458 if we want to write it with three significant digits, we have to write it in scientific notation as:
Given terms :
- velocity (v) = 80 km/h
- time (t) = 90 minutes = 1.5 hour
As we know, Distance covered is equal to :