The equation we use is mλ=dsinθ for intensity maximas. We are given at the first maximum (m=1), it occurs at 17.8 degrees. Thus we can solve for d by substituting known values into our equation.
(1) (632.8*10^-9m)=dsin(17.8) => d = 2.07*10^-6m
Next we want to find the angle at the second maximum (m=2) so we need to solve for θ.
(2) (632.8*10^-9m) = (2.07*10^-6m)sinθ
θ=37.69 degrees
Hopes this helps!
P.S. I hope this is right. If not sorry in advance.
<h3><u>Given</u><u>:</u><u>-</u></h3>
Force,F = 100 N
Acceleration,a = 5 m/s²
<h3><u>To</u><u> </u><u>be</u><u> </u><u>calculated:-</u><u> </u></h3>
Calculate the mass of the box .
<h3><u>Formula</u><u> </u><u>used:-</u><u> </u></h3>
<h3><u>Solution:-</u><u> </u></h3>
★ Substituting the values in the above formula,we get:
B. the continents were once joined together..... this is pangaea
The stone will move an amount equal to its volume, so the new reading in the measuring cylinder will be the moved water by the stone plus the original 25 cm^3
We calculate the volume moved by the stone using the density and mass of the stone. The density d is defined as the mass m divided by the volume v, so we solve for the volume:
d = m/v
v = m/d
and substituting the data we are given:
v = 12g/3 g/cm^3
v = 4 cm^3
therefore the volume occupied by the stone is 4 cm^3 that added to the original 25 cm^3 will give us a new reading of 29 cm^3
Answer:
A.88 feet per second.
B.96.56 km /hr
Explanation:
A
When converting from miles per hour to feet per second, we can use the following conversion factor.
1 mile per hour = 1.46667 feet per second.
Hence, 60 miles per hour will be = 60 X 1.46667 = 88 feet per second.
B.
Similarly, we can use the same process when converting from miles per hour to km per second.
1 mile = 1.60934 km
hence to convert we will multiply 60 miles/hour by 1.60934 km = 96.56 km /hr
