Question

An object of mass 80kg falls from a height of 100m.calculate the heat developed at the ground​

Answer 1

Answer:

Energy can be of 2 types, potential and kinetic.

Energy can be of 2 types, potential and kinetic.Potential:

Energy can be of 2 types, potential and kinetic.Potential:Formula- mgh

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kg

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 J

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kg

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2v=> using 3rd equation of motion v^2 = u^2 + 2 a s (a=g, acc. due to gravity)

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2v=> using 3rd equation of motion v^2 = u^2 + 2 a s (a=g, acc. due to gravity)v = (2 X 10 X 40)^1/2

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2v=> using 3rd equation of motion v^2 = u^2 + 2 a s (a=g, acc. due to gravity)v = (2 X 10 X 40)^1/2v = 28.2 m/s

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2v=> using 3rd equation of motion v^2 = u^2 + 2 a s (a=g, acc. due to gravity)v = (2 X 10 X 40)^1/2v = 28.2 m/sKE = 1/2 X 8 X (28.2)^2

Energy can be of 2 types, potential and kinetic.Potential:Formula- mghm=8kgg=10m/s^2h=100m-40m-60m (Height from the ground)PE=8 X 10 X 60 =4800 JKinetic:Formula-1/2 m v^2m=8kga=g=10 m/s^2v=> using 3rd equation of motion v^2 = u^2 + 2 a s (a=g, acc. due to gravity)v = (2 X 10 X 40)^1/2v = 28.2 m/sKE = 1/2 X 8 X (28.2)^2KE = 3180.96 J

Explanation:

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