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need physics expert

1. When a ball is tossed in the air, its initial velocity is zero When given  a force , it gains a velocity and go upward . the object accelerates under the force of gravity .   here the objects interacting with the ball are the hand which gives the thrust and the gravitional force, […]

space

The original Big Bang model had three major problems. The ‘fix’ that solved them is known as _________.   HTML Editor 2. When light from a hot solid, liquid, or dense gas passes through a cooler gas, it will produce a/an _________ spectrum.   HTML Editor 3. One name that has been given the mysterious […]