Answer:
Explanation:
The mass of the dog can be found by using the formula
f is the force
a is the acceleration
From the question we have
We have the final answer as
Hope this helps you
Data given:
m=12840kg
a=0.490m/s²
Formula:
F=ma
Solution:
F= 12840kg×0.490m/s²
F=6291.6N
speed of light= c
wave length= L
frequency= f
c=Lf → L= c/f → L= 3 × 10⁸/ 27 × 10⁹ → L = 1/90 ≈ 0.011 m
D. two positively charged objects