37. An estimated force-time curve for a baseball struck by a bat is shown in the figure. From thiscu
38. A ball of mass m is released from a height of ?. What is its speed when it is at a height of y?(
39. A wheel of radius ? and moment of inertia I is mounted on a frictionless horizontal axle asshown
17. 水的沸點為 100℃,其氣化熱(enthalpy of vaporization)為 40.7 kJ/mol,在常壓下液態水(H2O(l))與氣態水(H2O(g))之莫耳熱容(molar he