9. A 1.00 kg mass is placed at the free end of a compressed spring. The force constant of
the spring is 115 N/m. The spring has been compressed 0.200 m from it neutral position.
It is now released. Neglecting the mass of the spring and assuming that the mass is
sliding on a frictionless surface, how fast will the mass move as it passes the neutral
position of the spring?

b.

hope this : )

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19