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A space probe travels to Mars, which is 225 million km away. If it travels at a

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Question: A space probe travels to Mars, which is 225 million km away. If it travels at a speed of 45,000 km/h, how long will it take to reach Mars in days?

Options:

  1. 125 days
  2. 150 days
  3. 200 days
  4. 180 days

Correct Answer: 150 days

Solution: 

Time = Distance / Speed = 225,000,000 km / 45,000 km/h = 5,000 h. In days: 5,000 h / 24 h/day = 208.33 days.

A space probe travels to Mars, which is 225 million km away. If it travels at a

Practice Questions

Q1
A space probe travels to Mars, which is 225 million km away. If it travels at a speed of 45,000 km/h, how long will it take to reach Mars in days?
  1. 125 days
  2. 150 days
  3. 200 days
  4. 180 days

Questions & Step-by-Step Solutions

A space probe travels to Mars, which is 225 million km away. If it travels at a speed of 45,000 km/h, how long will it take to reach Mars in days?
  • Step 1: Identify the distance to Mars, which is 225 million kilometers.
  • Step 2: Identify the speed of the space probe, which is 45,000 kilometers per hour.
  • Step 3: Use the formula for time, which is Time = Distance / Speed.
  • Step 4: Plug in the values: Time = 225,000,000 km / 45,000 km/h.
  • Step 5: Calculate the time in hours: 225,000,000 km divided by 45,000 km/h equals 5,000 hours.
  • Step 6: Convert the time from hours to days by dividing by 24 (since there are 24 hours in a day).
  • Step 7: Calculate the time in days: 5,000 hours divided by 24 hours/day equals approximately 208.33 days.
  • Distance, Speed, and Time Relationship – Understanding the formula Time = Distance / Speed to calculate travel time.
  • Unit Conversion – Converting hours into days to express the final answer in a different unit.
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