The answer for this question is A

17

What would the scale read? zero

18 In free fall you are being pulled by a gravity. "Truly" weightless presumably happens in deep space where there is nothing to pull you.

19 coasters accelerate down to simulate weight loss/zeroised. As do NASA planes,

Roller coasters are for fun seekers. NASA is for science

**Answer:**

temperature, atmosphere pressure,wind, topography, humidity etc

The **velocity **of the **canoe **is **1.7 m/s.**

<h3>What is momentum?</h3>

**Momentum **in physics is the products of mass and velocity. Now we have to find momentum with the formula; p = mv

a) Initial momentum = (15)8 m/s + 135 = 255 Kgms-1

b) Since momentum is conserved, the total momentum after throwing the anchor is still **255 Kgms-1**

c) The **final velocity** of the boat is obtained from;

255 Kgms-1 = (15Kg + 135 Kg) v

v = 255 Kgms-1/(15Kg + 135 Kg)

v = **1.7 m/s**

Learn more about **momentum**: brainly.com/question/904448