Physics Question 3?

0 ⤊

A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. As a result, the spring is compressed by 20 cm. The mass is then released. What is the amount of potential energy acquired by the spring when it is compressed?
a. 5.0 J
b. 0.20 J
c. 0.50 J
d. 10 J

2007-01-27 20:53:42 · 2 answers · asked by SMS 1 in Science & Mathematics ➔ Physics

2 answers

again a simple qustion

apply

1/2kx^2= 1/2*25*(20/100)^2 = 0.5 joules

2007-01-27 21:34:13 · answer #1 · answered by n nitant 3 · 0⤊ 0⤋

0.5 J

2007-01-28 14:14:20 · answer #2 · answered by JAMES 4 · 0⤊ 1⤋