Gravity decreases with the square of the distance, so the new force is (20)/(2*2) = 5N.
Answer:
Explanation:
Given
Em wave is in the form of
where 
Wave constant for EM wave k is
Wavelength of wave 
1)Baby bird cannot fly. Their mother has to feed \bf\underline{them}them
2. Vijay likes riding my bicycle. I sometimes lend \bf\underline{it}it to \bf\underline{him}him
3. Sooraj and I are brothers. \bf\underline{we\:both}weboth share the same bedroom.
4. Ravina isn't well. Dad is taking to the doctor. (No personal pronouns required)
<h3>5. My sister is a teacher. \bf\underline{She}She teaches Maths.</h3>
Answer:
A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. I hope I got it correct !!
Answer:
Explanation:
Let x be the distance to the shore
From trigonometry properties:
