Answer:
10.028%
Explanation:
= Angle between polarizer
The polarized light after passing through first polarizer

The polarized light after passing through second polarizer

The polarized light after passing through third polarizer


The percent of the light gets through this combination of filters is 10.028%
Hornblede the mineral which is made of more than one element is hornblende
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Answer:the rate of change in velocity
Explanation: acceleration =the change in velocity / time taken the unit is m/s2
While velocity is the distance traveled in a given direction/time taken.the unit is m/s
Answer:
The force is 
Explanation:
Given that,
Mass of car = 64 kg
Suppose, a 1400-kg car that stops from 34 km/h on a distance of 1.7 cm.
We need to calculate the acceleration
Using formula of acceleration

Where, v = final velocity
u = initial velocity
a = acceleration
s = distance
Put the value into the formula



We need to calculate the force
Using formula of force



Negative sign shows the direction of the force is in the direction opposite to the initial velocity.
Hence, The force is 