Describe how an oscilloscope should be used to measure the frequency of the sound from the sonometer

Which type of wave can travel without a medium

True or false graphs must include scales that increase by the same amount

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?