Semitrailer (without fairing) is driving at 70 anda passenger car is drivingat 55 mph. The frontal area of the trailer is 4 m^2, and the frontal area of the passenger car is 2.5 m^2. How much more fuel is consumed to overcome drag for the semiif both cares are traveling the same distance?

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

If y gets smaller as x gets bigger and y have an relationship?

Explain what happens at the saturation point when adding salt to water at room temperature.