**Answer:**

**Explanation:**

Distance of second charge from origin d

d =

= 1.374 m

electric potential energy of system of charge

= 9 x 10⁹ x 3.2 x 3.2 x 10⁻¹² / 1.374

67.07 x 10⁻³ J

This energy will be converted into kinetic energy

1/2 x m v² = 67 x 10⁻³

v² = 2 x 67 x 10⁻³ / m

= 2 x 67 x 10⁻³/ 2.63 x 10⁻³

v = 7.13 m /s

b ) kinetic energy at this point = 67/4 x 10⁻³

= 16.75 x 10⁻³

Potential energy = 67x10⁻³ - 16.75 x 10⁻³ = 50.75 x 10⁻³

If r be the required distance

9 x 10⁹ x 3.2 x 3.2 x 10⁻¹² / r = 50.75 x 10⁻³

r = 1.87 m

**Answer:**

less than.

**Explanation: because Friction is the resistance to motion of one object moving relative to another. which means it cant be greater because how would it be greater if its pushing forward when friction is the resistance.**

**Answer:**

the ambulance have to travel 4507.847 feet to get to the accident

**Explanation:**

Let D represent position of ambulance

Let C represent position of accident scene

The situation is represented in the below attached figure

In the figure we have

AB = 4000 feet

Thus in triangle ABC we have

In triangle ABD we have

Thus the distance between the ambulance and accident scene will be 14925.20-10420.356 = 4507.847 feet

It is possible. If you trap it in a certain space, it will be possible.

This question involves the concepts of **momentum**, **speed**, and **mass**.

The **momentum** of the car is **"24960 N.s"**.

<h3>MOMENTUM</h3>

**Momentum** is defined as the quantity of motion contained in a body. Mathematically, it is defined as the product of the **mass **and **speed **of the object:

P = mv

where,

- P =
**momentum **= ? - m =
**mass **= 1600 kg - v =
**speed **= 15.6 m/s

Therefore,

P = (1600 kg)(15.6 m/s)

**P = 24960 N.s**

Learn more about **momentum **here:

brainly.com/question/904448