What happens when an electrically charged balloon is placed close to an uncharged soda can? The balloon attracts the can.
The balloon is negatively charged.
The can attracts the balloon.
The can becomes positively charged.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.