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Problem: The strange planet Zztop has mass 8.00 x 1025 kg. Zztop is spherical and has uniform density. If an object of mass 0.600 kg is projected straight upward from the surface of Zztop with an initial speed of 16.0 m/s, it returns to the surface in a time of 8.00 s after it is projected upward. What is the radius of planet Zztop?

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Problem Details

The strange planet Zztop has mass 8.00 x 1025 kg. Zztop is spherical and has uniform density. If an object of mass 0.600 kg is projected straight upward from the surface of Zztop with an initial speed of 16.0 m/s, it returns to the surface in a time of 8.00 s after it is projected upward. What is the radius of planet Zztop?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Acceleration Due to Gravity concept. You can view video lessons to learn Acceleration Due to Gravity. Or if you need more Acceleration Due to Gravity practice, you can also practice Acceleration Due to Gravity practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 4 minutes and 8 seconds to solve this problem. You can follow their steps in the video explanation above.