What is the amplitude of a point 0.375 m away from one end?

An arch is in the form of a semi-ellipse. It is 8m wide and 2m high at the centre. Find the height of the arch at a point 1.5 m from one end.

An arch is in the form of a semi-ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.

A bridge is in the shape of a semi-ellipse. It is 400 metres One and has a maximum height of 10 metres at the middle point. The height of the bridge at a point distant 80 metres from one end is :

Two charges +-10muC are placed 5.0 mm apart. Determine the electric field at a point 15 cm away from point O on a line passing through O and normal to the axis of the dipole.

In a metre bridge, two unknown resistances R and X when connected in two gaps, give a null point at 40 cm from one end.What is the ratio of R and X ?

In a meter bridge, two unknown resistances R and S when connected in two gaps, give a null point at 40 cm from one end. What is the ratio of R and S?

The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is B_0 = 510 nT . What is the amplitude of the electric field part of the wave?

Two charges +-10muC are placed 5.0 mm apart. Determine the electric field at a point on the axis of the dipole 15 cm away from its centre 0 on the side of the positive charge