Here, If acceleration is uniform, change is velocity will be uniform, and position-time graph represents for velocity, so it would be Linear

**In short, Your Answer would be Option D**

Hope this helps!

**Answer:**

The speed of cart is 5.5 m/s.

**Explanation:**

**Given that,**

Mass of cart = 100 kg

Distance = 3 m

Speed = 6 m/s

**We need to calculate the speed of cart**

**Using relation of centripetal force and normal force**

Put the value into the formula

**Hence, The speed of cart is 5.5 m/s.**

**Answer:**

Taking a child away from their parents is awful, so taking your hand away from your body is awful.

I'm not sure if there were word choices for this particular question, but I do hope this helps!

The answer for the question is c

If everyone on earth shouted at the same time, it would make a very loud sound, but perhaps not as loud as you'd think.