A box of mass =10 kg is placed on a frictionless table. It i…

A box of mass =10 kg is placed on a frictionless table. It is connected by a string to a hanging mass =5 kg, as shown in the figure. The string mass can be neglected. The pulley is frictionless and has a negligible mass. What is the magnitude of the acceleration of the mass on the table?

A car travels along a semicircular curve with a 50 m radius….

A car travels along a semicircular curve with a 50 m radius. At what angle should the roadway of this curve be banked to allow the car to negotiate the curve at 12 m/s speed without slipping or deviating from its circular path even if the frictional force is zero (e.g. icy roadway)?

A 43-year-old male client has presented to the emergency dep…

A 43-year-old male client has presented to the emergency department with complaints of vomiting. The client also states that the emesis has often contained frank blood in the hours prior to admission. His vital signs are stable with temperature 98.3°F (36.8°C), pulse 88, BP 140/87, and respiratory rate 18. He is diagnosed as having acute gastritis.  Which of the following is most likely contributing to this diagnosis?