**Explanation:**

A socio-economically disadvantaged child is the one who is disadvantaged in terms of social position and economic position. Such children have limited resources in terms of education, money and future options. Four ways of helping such children are as follows:

1) Help them in education - You can help such children by giving them free tuition. If you belong to a well off family, you can get them admitted in schools as well. Provide them with books and uniform.

2) Encourage them to do well in school and pursue their passions.

3) Provide them with meals, if they do not have access to regular meals.

4) encourage them to go school regularly.

**Answer:**

1875 meters

**Explanation:**

We are given;

- Velocity of the motorcycle as 90 km/hr
- Time as 75 seconds

We are required to calculate the displacement;

- First we will convert speed to m/s
- The suitable conversion factor will be;

1 m/s = 3.6 km/hr

Therefore, 90 km/hr

= 90 km/hr ÷ 3.6 km/hr per m/s

= 25 m/s

But;

Displacement = Velocity × time

Thus;

Displacement = 25 m/s × 75 seconds

**= 1875 meters**

I think it is speed

hope this helps

Answer:

1.066 m/s^2

Explanation:

On the earth and on Mars respectively, the time periods of the pendulums are expressed as:

Tearth = 2pi * sqrt(L/gearth)

Tmars = 2pi * sqrt(L/gMars)

Divide the two equations above:

Tearth/Tmars = sqrt(gMars/gearth)

gMars = gearth(Tearth/Tmars)^2 = (9.80m/s^2)(1.26s/3.82s)^2 = **1.066 m/s^2**

The **height****,**** ****h** to which the package of mass m bounces to depends on its initial **velocity****,**** ****v** and the **acceleration** due to **gravity****,**** ****g**** **and is given below:

<h3>What are perfectly elastic collision?</h3>

**Perfectly elastic collisions** are collisions in which the momentum as well as the energy of the colliding bodies is conserved.

In **perfectly elastic collisions**, the sum of momentum before collision is equal to the momentum after collision.

Also, the sum of **kinetic energy** before collision is equal to the sum of **kinetic energy** after collision.

Since some of the **Kinetic energy** is converted to potential energy of the body;

Therefore, the height to which the package m bounces to depends on its initial velocity and the acceleration due to gravity.

Learn more about **elastic collisions** at: brainly.com/question/7694106