Answer:
Correct answer: The fourth claim
Explanation:
No claim is most accurate but if you have to choose the best from the bad one, it's fourth - Its height decreased as its motion increased.
The potential energy depends from height Ep = m g h and kinetic
energy depends besides mass from velocity (motion) Ek = m v²/ 2
God is with you!!!
Answer:
Option c is correct
Explanation:
There are two types of collisions-elastic collision and inelastic collision.
In elastic collision, both kinetic energy and total momentum are conserved. On the other hand, in inelastic collision, total momentum is conserved but kinetic energy is not conserved. Thus, option b and d are incorrect.
Total energy is always conserved in both types. Thus, option a is incorrect.
In a perfectly inelastic collision, objects stick together. This happens because maximum kinetic energy is dissipated and used in bonding of the two objects. Thus, correct option is c.
It can solidify, it depends on the tempeture.
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs.
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