Mr. Jaypee Z. Paraiso is a hunter. In a sunny afternoon while hunting, he saw a cheetah that can reach a speed of 20 m/s. Express the speed of the cheetah in km/h.                                                         

Use these: 

1 km = 1000 m 
1 min = 60 s
1 hr = 60 min

To convert the speed of the cheetah from meters per second (m/s) to kilometers per hour (km/h), we can follow these steps:

1. **Understand the given speed:**
   - The cheetah's speed is given as 20 m/s.

2. **Convert meters per second to kilometers per hour:**
   - First, convert meters to kilometers.
   - Then, convert seconds to hours.

3. **Conversion factors:**
   - 1 kilometer (km) = 1000 meters (m)
   - 1 minute (min) = 60 seconds (s)
   - 1 hour (hr) = 60 minutes (min)

### Steps:

1. **Convert meters per second to kilometers per second:**
   \[
   20 \, \text{m/s} \times \frac{1 \, \text{km}}{1000 \, \text{m}} = 0.02 \, \text{km/s}
   \]

2. **Convert kilometers per second to kilometers per hour:**
   \[
   0.02 \, \text{km/s} \times 60 \, \text{s/min} \times 60 \, \text{min/hr} = 0.02 \, \text{km/s} \times 3600 \, \text{s/hr}
   \]
   \[
   0.02 \, \text{km/s} \times 3600 = 72 \, \text{km/hr}
   \]

Therefore, the speed of the cheetah is \(72 \, \text{km/hr}\).

Would you like more details or have any questions?

Here are some related questions for further practice:

1. If the cheetah runs for 15 minutes, how far will it have traveled in kilometers?
2. Convert a speed of 50 m/s to km/h.
3. What is the speed of a vehicle in m/s if it travels at 90 km/h?
4. If a cyclist travels at 18 km/h, what is their speed in m/s?
5. A runner covers 400 meters in 50 seconds. What is their speed in km/h?
6. How long will it take for the cheetah to run 1 kilometer at its top speed?
7. If a car travels 100 meters in 5 seconds, what is its speed in km/h?
8. What is the speed in km/h of an object moving at 25 m/s?

**Tip:** Always check the units when performing conversions to ensure accuracy.

Learn how to convert the speed of a cheetah from meters per second (m/s) to kilometers per hour (km/h). This problem involves unit conversion and speed calculation. Suitable for students in Grades 7-9.

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