1) a massless spring with force constant 589 n/m is fastened at its left end to a vertical wall, as shown below. the acceleration of gravity is 9.8 m/s ^2 initially, the 6 kg block and 2 kg block rest on a horizontal surface with the 6 kg block in contact with the spring (but not compressing it) and with the 2 kg block in contact with the 6 kg block. the 6 kg block is then moved to the left, compressing the spring a distance of 0.3 m, and held in place while the 2 kg block remains at rest as shown below. determine the elastic energy u stored in the compressed spring. answer in units of j.
Answers
massless spring with force constant 589 n/m is fastened at its left end to a vertical wall, as shown below. the acceleration of gravity is 9.8 m/s ^2 initially, the 6 kg block and 2 kg block rest on a horizontal surface with the 6 kg block in contact with the spring (but not compressing it) and with the 2 kg block in contact with the 6 kg block. the 6 kg block is then moved to the left, compressing the spring a distance of 0.3 m, and held in place while the 2 kg block remains at rest as shown below. determine the elastic energy u stored in the compressed spring. answer in units of j.
ANSWER
1) a massless spring with force constant 589 n/m is fastened at its left end to a vertical wall, as shown below. the acceleration of gravity is 9.8 m/s ^2 initially, the 6 kg block and 2 kg block rest on a horizontal surface with the 6 kg block in contact with the spring (but not compressing it) and with the 2 kg block in contact with the 6 kg block. the 6 kg block is then moved to the left, compressing the spring a distance of 0.3 m, and held in place while the 2 kg block remains at rest as shown below. determine the elastic energy u stored in the compressed spring. answer in units of j.
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