Answer to Question #104294 in Classical Mechanics for Gideon

Question

1. When visiting the Italian town of Pisa, young physics student Isaac Galilei drops an apple with a weight of 2.0 N from the city's famous leaning tower. The apple falls 56m to the ground. First question: Ignoring air resistance and other subtle effects, how long does it take the apple to fall to the ground? The apple takes _____ s to fall to the ground (correct sig fig).

2. The story so far: Visiting the Italian town of Pisa, young physics student Isaac Galilei drops an apple with a weight of 2.0 N from the city's famous leaning tower. The apple falls 56 m to the ground. We've just seen that the apple takes 3.4 s to reach the ground. o… while the apple falls downwards, how far does the Earth fall up towards the apple? (Ignore all effects except the Earth-apple interaction.) Should you need them, here are some data: The mass of the Earth is 5.97 x 10^24 . (You don't need to know that its radius is 6371 km and that G = 6.67384 × 10^ -11 m^3 kg^-1s^-2.

Answer 1

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