Answer:
z = 2.7x/r²y
Step-by-step explanation:
z = kx/r²y
½ = k × ⅓ ÷ (3² × ⅕)
½ = ⅓k × 5/9
k = 27/10 = 2.7
z = 27x/10r²y
z = 2.7x/r²y
Answer:
4
1
5
Step-by-step explanation:
make me brainless ty
According to the graph, the displacement goes from a maximum position of 14 at time 0.75 to a minimum of -14 at time 2.25 s, hence the maximum displacement is:
14 + 14 = 28 units
14 positive side, 14 negative side.
Answer:

Step-by-step explanation:
Using the product to sum formula
sinxcosy =
[ sin(x + y) + sin(x - y) ] , then
2sinxcosy = sin(x + y) + sin(x - y)
Given
2sin75°cos15° ← with x = 75 and y = 15 , then
= sin(75 + 15) + sin(75 - 15)
= sin90° + sin60°
= 1 + 
= 