Which type. of diversity is being lost as the population of rhinoceros become very small

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer