D.) In order to calculate both of them, we must know the "FORCE" on the system.
Answer:there talking about the house
To calculate the specific heat capacity of an object or substance, we can use the formula
c = E / m△T
Where
c as the specific heat capacity,
E as the energy applied (assume no heat loss to surroundings),
m as mass and
△T as the energy change.
Now just substitute the numbers given into the equation.
c = 2000 / 2 x 5
c = 2000/ 10
c = 200
Therefore we can conclude that the specific heat capacity of the block is 200 Jkg^-1°C^-1
We know average speed =total distance/time taken
So avg speed=(85+63)/(5+5)=14.8km/hr
