An airplane flies 250.0 km at 300 m/s. How long does this take?
2 answers:
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Answer:
The right approach is "8.1 m/s". A further explanation is provided below.
Explanation:
According to the table,
Speed of Boat
=
Now,
⇒
or,
⇒
Answer:
The speed of the mouse relative to the factory floor is 5 m/s.
Explanation:
Given that,
A factory conveyor belt rolls at 3 m/s,
A mouse sees a piece of cheese directly across the belt and heads straight for the cheese at 4 m/s,
To find,
The mouse's speed relative to the factory floor.
Solution,
The resultant velocity of the mouse is given by the resultant of two velocities. It is given by :
v = 5 m/s
So, the speed of the mouse relative to the factory floor is 5 m/s.