A pogo stick has a spring with a spring constant of 2. 5×104N/m, which can be compressed 12. 0 cm. To what maximum height from the uncompressed spring can a child jump on the stick using only the energy in the spring, if the child and stick have a total mass of 40 kg?.

Answermake them get very hot and over time wear them out;

Each student aligns the edge of the object with the left edge of the ruler as shown above. all four students read the ruler with a measurement of 4.6 cm. which statement describes the data they collect? i believe the answer is: the data have poor precision and poor accuracy because of a systematic error.

Give more info about the experiment