If a crane can load only …

If a crane can load only 2.1 tonnes coal is one roatation,in order to load 8.8 tonnes on a ship what shall be weight of each parcel of coal in order to keep both the weight of each parcel and no. of crane rotations to s minimum?

When to sale of EMF even and e2 are connected in series so as to assist each other their balancing length on a potential metre is found to be 2.7 m when the cell are connected in series to S2 oppose each other the balancing length is found 0.3 m compare the EMF of the two cell

If a crane can load only 2.1 tonnes coal is one roatation,in order to load 8.8 tonnes on a ship what shall be weight of each parcel of coal in order to keep both the weight of each parcel and no. of crane rotations to s minimum?