At a waterpark, sleds with riders are sent along a slippery, horizontal surface by the release of a large compressed spring. The spring, with force constant k = 40. 0 n/cm and negligible mass, rests on the frictionless horizontal surface. One end is in contact with a stationary wall. A sled and rider with total mass 70. 0 kg are pushed against the other end, compressing the spring 0. 375 m. The sled is then released with zero initial velocity. What is the sled’s speed when the spring returns to its uncompressed length?

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explanation:

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answer:

When we have different classes of data, there is always an upper and a lower class limit for it i.e. the dataset has a smallest and largest value. Class boundary is the midpoint of the upper class limit of one class and the lower class limit of the subsequent class.

Explanation:

The stratosphere and the thermosphere are responsible for the majority of the solar radiation absorption.

The option (b) is correct