Question

> Which of the following pairs of substances have the same values of specific heat? క్రింది వాటిలో ఒకే విశిష్టోషము విలువలు కలిగిన జంట పదార్థాలు (1) Copper, aluminium Ice, water కాపర్, అల్యూమినియం (3) Brass, iron (4) Ice, kerosene oil ఇత్తడి, ఇనుము మంచు, నీరు 2.0 0 మంచు, కిరోసిన్
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Answer 1

1 aluminum

3 iron

4 ice

not sure

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Answer 2

Explanation:

Here, mass, m=0.06kg,

Here, mass, m=0.06kg, initial velocity,u=500m/s,

Here, mass, m=0.06kg, initial velocity,u=500m/s, final velocity, v=0m/s,

Here, mass, m=0.06kg, initial velocity,u=500m/s, final velocity, v=0m/s,time taken, t=0.01s

Here, mass, m=0.06kg, initial velocity,u=500m/s, final velocity, v=0m/s,time taken, t=0.01s Impulse = mass x change in velocity

Here, mass, m=0.06kg, initial velocity,u=500m/s, final velocity, v=0m/s,time taken, t=0.01s Impulse = mass x change in velocity =0.06kg×(0−500)m/s

Here, mass, m=0.06kg, initial velocity,u=500m/s, final velocity, v=0m/s,time taken, t=0.01s Impulse = mass x change in velocity =0.06kg×(0−500)m/s =30kgm/s