Answer:
33 gm.
Explanation:
Heat required by coffee in evaporation = m L = m x 560 cals
Heat released by coffee in cooling = m c Δ T = 350 X 1 X 50 = 17500 cals
Heat released by glass cup = 100 x .2 x 50 = 1000 cals ( specific heat of glass is .2 cals per gram per k)
Total heat released = 18500 cals
Heat gained = heat lost
m x 560 = 18500
m = 33 gm.
A Belgian Astronomer and Cosmotologist who formulated the modern Big Bang theory, which states that the universe began in a cataclysmic explosion of a small, primeval “super-atom”
Double , the force is pushed against the cart added by mass is enough to double the acceleration , and thank u :)
Object B is positively charged, Object C is negatively charged, Object D is negatively charged.
Answer:
When two objects interact, each one exerts a force on the other that can cause energy to be transferred to or from the object. For example, when energy is transferred to an Earth-object system as an object is raised, the gravitational field energy of the system increases. This energy is released as the object falls; the mechanism of this release is the gravitational force. Likewise, two magnetic and electrically charged objects interacting at a distance exert forces on each other that can transfer energy between the interacting objects.
Explanation:
Even when an object is sitting still, it has energy stored inside that can be turned into kinetic energy (motion). ... A force is a push or pull that causes an object to move, change direction, change speed, or stop. Without a force, an object that is moving will continue to move and an object at rest will remain at rest.
