Answer:
180 m
Explanation:
Distance = Speed × Time
= 12 × 15
= <u>1</u><u>8</u><u>0</u><u> </u><u>m</u>
Answer:
Explanation:
When he accelerates the heavy object up , the reading increases because an extra downward normal force acts on it, then scale reading returns to the same reading as when standing stationary, and then decreases as although he is lifting the heavy object , the acceleration is decreasing ,so the extra upward normal force acts.
Answer:
The value is
Explanation:
The radius is
The mass of the ordinary matter is
Generally the speed of the star is mathematically represented as
Here G is the gravitational constant with a value
So
=>
Answer:
2 m
Explanation:
Work = force × distance
500 J = 250 N × d
d = 2 m
She moved the couch 2 meters.
Answer:
cells
Explanation:
they are the smallest living organisms