Answer:
0.28899 m
Explanation:
v = Velocity = 69 m/s
= Angular velocity = 
r = Radius of the motion
In rotational motion velocity is given by




The length of the rotation string is 0.28899 m
Answer:
The power dissipated by the meter is 1188W
Explanation:
Here we have a circuit constituted with a power source and two resistors in series, we can calculate the power dissipated by the meter using the following formula:
We first need to fin the current going through the circuit:
because they are connected in series. So:
X=mass × velocity
x=25×4
=100kgm/s
The answer for question 2 i guess it’s c
Chemical formula is the term used for the chemical composition of a compound.