Answer:
263.15
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Answer:
b) weaker
Explanation:
Hot rolled steel is generally weaker than the cold drawn steel. The yielding stress of cold rolled steel is higher than than hot rolled steel. At the same time the crystal structure remain the same in cold rolled steel. Giving it a better surface finish and closer tolerances. The strength and hardness of a cold roll steel is higher than the hot rolled steel
Answer:
0 1 2 3 4 . because the particle moved with a constant acceleration
Answer:
8m/s
Explanation:
The question is incomplete.
But if the given speed is 3m/s
t= 0.5s
From Newton's equation of motion v=u+at
U= 3m/s
V= 3+ 0.5×10 a=10m/s^2
v= 8m/s