Arugby player tackles another player. in terms of kinetic energy and work done, why is it more difficult to tackle a heavier player travelling at the same speed?

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

happy to

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