A jet with a mass of 75 tonne is flying along to the left. The jet is travelling at a constant 600km/h in level flight.
Calculate the weight of the jet. Take g as 10ms-2.

To calculate the weight of the jet, we can use the following formula:

\[
\text{Weight} = \text{Mass} \times g
\]

where:
- \(\text{Mass} = 75 \text{ tonnes} = 75,000 \text{ kg}\) (since 1 tonne = 1,000 kg)
- \(g = 10 \text{ m/s}^2\) (acceleration due to gravity)

Now, substituting the values:

\[
\text{Weight} = 75,000 \text{ kg} \times 10 \text{ m/s}^2
\]

\[
\text{Weight} = 750,000 \text{ N}
\]

So, the weight of the jet is **750,000 N** (Newtons).

Would you like more details or have any questions?

Here are five related questions you might find interesting:
1. How would the weight of the jet change if it were flying on the moon where \(g\) is 1.63 m/s\(^2\)?
2. What is the relationship between the jet's mass and its velocity in this problem?
3. How does the concept of lift relate to the weight of the jet during flight?
4. If the jet increases its speed, does its weight change? Why or why not?
5. How would you calculate the lift force required to keep the jet flying level?

**Tip:** Remember that weight is a force, measured in Newtons, and it depends only on the mass of the object and the gravitational acceleration acting on it.

Learn how to calculate the weight of a jet flying at 600 km/h with a mass of 75 tonnes. This problem involves using the formula Weight = Mass × g, where g is the acceleration due to gravity (10 m/s²). Suitable for students in Grades 7-9.

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