What will happen to an object wavelength as the object moves toward you?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.