A 4) The diagram below shows a weight of mass m connected to a box of mass 5.5 kg which is on a smooth plane inclined at an angle of 30° to the horizontal through a smooth pulley. 5.5 kg m kg 330 Determine the value of m if a) the system is in equilibrium. b) weights of mass m moving downwards with an acceleration of 2 m s-2. (Given g = 10 ms-2) 2

Agenerator converts mechanical energy to electrical energy. when a coil placed between two magnets rotates, the magnetic lines of force are disturbed. this induces a current in the coil. the image below shows a generator. what could be done to make the lamp brighter? a. decrease the size of the magnets b. turn the coil slower c. change the polarity of the magnets d. turn the coil faster

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your