30m water added End at experiment 1.1.1. What is the aim of this practical? (2) 1.1.2 State TWO precautions that you must take when taking a reading from a measuring cylinder (2) 1.3. When the water was added to the soil, the water was gently poured down th side of the measuring cylinder. Suggest one reason for doing this. (2) 1.1.4. Draw a suitable table and record the results. (6) 1.1.5. What did you observe when you added the water to the soil? (2) 1.1.6. What can you conclude from this practical? (2) 1.1.7. Suggest why this conclusion is important for farmers? (2) 1.1.8. Explain what sol structure is. (2) (20)​

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue