Ben walks 500 meters from his house to the corner store. He then walks back toward his house but stops to talk to a neighbor whe
2 answers:
Answer:0.33 m/s
Explanation:
Given
Ben walks towards corner stone which 500 m from his house
As he walk back he stop to talk his neighbor which is 200 m from corner stone
Average velocity of Ben is given by the ratio of his displacement and total time taken
Displacement of Ben is
total time taken by Ben
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Answer:
The final temperature of both objects is 400 K
Explanation:
The quantity of heat transferred per unit mass is given by;
Q = cΔT
where;
c is the specific heat capacity
ΔT is the change in temperature
The heat transferred by the object A per unit mass is given by;
Q(A) = caΔT
where;
ca is the specific heat capacity of object A
The heat transferred by the object B per unit mass is given by;
Q(B) = cbΔT
where;
cb is the specific heat capacity of object B
The heat lost by object B is equal to heat gained by object A
Q(A) = -Q(B)
But heat capacity of object B is twice that of object A
The final temperature of the two objects is given by
But heat capacity of object B is twice that of object A
Therefore, the final temperature of both objects is 400 K.