A freshly caught catfish is placed on a spring scale, and it oscillates up and down with a period of 0.201 s. Part A If the spring constant of the scale is 1970 N/m, what is the mass of the catfish? Express your answer to three significant figures and include appropriate units. HA ? Value Units Submit Request AnswerAn astronaut uses a Body Mass Measurement Device to measure her mass. Part A If the force constant of the spring is 2800 N/m, her mass is 64 kg, and the amplitude of her oscillation is 2.3 cm, what is her maximum speed during the measurement? Express your answer to two significant figures and include appropriate units. HA ? Value Units Submit Request AnswerV Part A An observant fan at a baseball game notices that the radio commentators have lowered a microphone from their booth to just a few inches above the ground, as shown in the figure (Figure 1). The microphone is used to pick up sound from the How high above the field is the radio booth? (Assume the microphone and its cord can be treated as a simple pendulum.) field and from the fans. The fan also notices that the microphone is slowly swinging back and forth like a simple pendulum. Using her digital watch, she finds that 15 complete IVO AEQ ? oscillations take 55.0 s . h = m Submit Request Answer Provide Feedback Figure