(a) If primary alkaline D cells are used to power an electric (family-size) vehicle at a cost of $\$ 0.50$ per cell, what is the cost of driving $1 \mathrm {~km}$ ?
(b) What would be the mass and approximate volume of a battery pack consisting of alkaline $D$ cells that could provide a range of $100 \mathrm {~km}$ for a family vehicle?

Question

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The Answer of (a) If primary alkaline D cells are used to power an electric (family-size) vehicle at a cost of $\$ 0.50$ per cell, what is the cost of driving $1 \mathrm {~km}$ ?
(b) What would be the mass and approximate volume of a battery pack consisting of alkaline $D$ cells that could provide a range of $100 \mathrm {~km}$ for a family vehicle?

(A) If Primary Alkaline D Cells Are Used to Power $0.50\$ 0.50$0.50

(A) If Primary Alkaline D Cells Are Used to Power $\$ 0.50$