Answer:
Q=1040 KJ
Explanation:
Given that
mass ,m = 100 g
We know that 1 kg = 1000 g
100 g = 0.1 kg
m = 0.1 kg
T₁=20°C
T₂=100⁰C
Specific capacity for the gold
Cp=130 KJ/kgK
The energy required to raise temperature from T₁ to T₂
Q= m Cp (T₂ -T₁)
Now by putting the values
Q= m Cp (T₂ -T₁)
Q= 0.1 x 130 (100 -20) KJ
Q=1040 KJ
Therefore the energy required is 1040 KJ.
Answer:
∆p=(m2v)kg.m/s
Explanation:
∆p=mv where v=2v. hence ∆p=m2v
Answer:
P car = 1500×400/12= 50,000kgm/s
P electron= 9.1×3.5×10^(-31+6)
= 31.85×10^-25 kgm/s
Answer: i wish i could help but that’s a lot
Explanation:
Answer:
पत्र- अपने क्षेत्र की सड़कों की बुरी दशा की जानकारी देते हुए और उन्हें ठीक कराने की प्रार्थना करते हुए नगर निगम अधिकारी को पत्र लिखिए |