Sign up for FREE

L1 The Burj Khalifa cloned 2/14/2022

Last updated almost 4 years ago

7 questions

1

1

1

1

1

1

1

Question 1

1.

Use the picture to estimate Hyperion, the world's tallest tree.

Question 2

2.

1.2: Window Washing
A window-washing crew can finish 15 windows in 18 minutes.
If this crew was assigned to wash all the windows on the outside of the Burj Khalifa, how long will the crew be washing at this rate? (The Burj Khalifa has 24,348 windows)

Question 3

3.

1.3: Climbing the Burj Khalifa
In 2011, a professional climber scaled the outside of the Burj Khalifa, making it all the way to 828 meters (the highest point on which a person can stand) in 6 hours.
Assuming they climbed at the same rate the whole way:

How far did they climb in the first 2 hours?

Question 4

4.

1.3: Climbing the Burj Khalifa
In 2011, a professional climber scaled the outside of the Burj Khalifa, making it all the way to 828 meters (the highest point on which a person can stand) in 6 hours.
Assuming they climbed at the same rate the whole way:

How far did they climb in 5 hours?

Question 5

5.

1.3: Climbing the Burj Khalifa
In 2011, a professional climber scaled the outside of the Burj Khalifa, making it all the way to 828 meters (the highest point on which a person can stand) in 6 hours.
Assuming they climbed at the same rate the whole way:

How far did they climb in the final 15 minutes? (Hint: How much of an hour is 15 min?)

Question 6

6.

Are You Ready For More?
Have you ever seen videos of astronauts on the moon jumping really high?
An object on the moon weighs less than it does on Earth because the moon has much less mass than Earth.
A woman who weighs 160 pounds on Earth weighs 30 pounds on the moon. If a boy weighs 60 pounds on Earth, how much does he weigh on the moon?

Question 7

7.

Going Up?

The fastest elevators in the Burj Khalifa can travel 330 feet in just 10 seconds. How far does the elevator travel in 11 seconds? Explain your reasoning.