shinekamui
25.10.2020 •
Physics
Which of the following accurately describes an object that is accelerating?
Group of answer choices
A car slows down to turn a corner.
A bike moving backwards at 3 meters/second.
A ball sitting motionless on the floor.
An airplane moving at 500 km/hr.
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Ответ:
A ball sitting motionless on the floor.
Ответ:
to solve at first we should know the formula and what does density stand for and what does velocity stand for and etc.
explanation:
basic formula are
v= u + at
2as=v2-u2
s= ut+1/2 at2
f= ma
m1u1+m2u2 = m1v1+m2v2
a=f/m
a = v-u/t
mass of a/mass of b
density =mass / volume
pressure =force /area