V A 150 g air-track glider is attached to a spring. The glider is Part A pushed in 8.20 cm and released. A student with a stopwatch finds that 14.0 oscillations lake 9'00 5 t _ . What Is the spring constant? For help with math skills, you may want to review: Solving Radical Express your answer with the appropriate units Equations For general problem-solving tips and strategies for this topic, you a may want to view a Video Tutor Solution of Mass on a spg. E l {5 0 O .] '_) m Previous Answers MuestAnswer X Incorrect; Try Again; 3 attempts remaining Provide Feedback A 1.25 kg block is attached to a spring with spring constant } Part A 18.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 37.0 cm/s. v Part B What is the block's speed at the point where m = 0.30A'? Express your answer with the appropriate units. D View Available Hint(s) ELIAMOI? cm \"1: 31.53 7 S m Previous Answers X Incorrect; Try Again; 4 attempts remaining Provide Feedback Part A Astronauts in space cannot weigh themselves by standing on a bathroom scale. Instead, they determine their mass by oscillating on a large spring. Suppose an astronaut attaches one end of a large spring to her belt and the other end to a hook on the wall of What is her mass if the spring constant is 240 N/m ? the space capsule. A fellow astronaut then pulls her away from the Express your answer with the appropriate units. wall and releases her. The spring's length as a function of time is shown in the figure (Figure 1). m = 55 kg Submit Previous Answers Correct Part B What is her speed when the spring's length is 1.0 m ? Express your answer with the appropriate units. HA : ] ? rad V = 2.09 sec Figure