Question 6 (1 point) An simple harmonic oscillating system has a displacement equation x(t) = ([A] m) cos (25t). Find the period of oscillation in seconds with one digit of precision. Assume all values are in SI units Your Answer: Answer Question 7 (1 point) An oscillator has an equation x(t) = (0.45 m) cos ( 477 t) Assuming w is in SI units, calculate the frequency in Hz with a single digit of precision. Your Answer: Answer Question 8 (1 point) Some claim that mountain climbers suffer from headaches due not only to a lack of oxygen in the brain, but also to the expansion of the brain in the cranium. Find the fractional change of the brain's volume due to a reduction in pressure from (6.80x10*1) kPa at sea level to 27.0 kPa high in the Himalayas. The bulk modulus is 2.10 GPa. Give your answer with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 9 (1 point) A marble column with a cross-sectional area of (2.2000x10^1) cm supports a load of (5.50x10^4) N. The marble has a Young's modulus of 60 GPa and a compressive strength of 200 MPa. What is the stress in the column to three significant figures?Question 10 (1 point) The leg bone (femur) breaks under a compressive force of about 9.00 x 10* N for a human and (1.05x10*1) x 10# N for a horse. The human femur has a compressive strength of 160 MPa, whereas the horse femur has a compressive strength of 140 MPa. What is the effective cross-sectional area of the femur in a human in units of m^2? Give your answer with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Submit Quiz O of 10 questions saved