On my bike I was able to travel 40 miles in one hour from this information we can determine the bikes
1 answer:
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The work done by each motor is c)
Explanation:
The work done when lifting an object is equal to the change in gravitational potential energy of the object:
where
m is the mass of the object
g is the acceleration of gravity
is the change in height of the object
In this problem, each motor is lifting one elevator, so the mass of each elevator is
m = 1000 kg
and we have
Therefore, the work done by each motor is
Learn more about work:
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Answer:0.21
Explanation:
Given
mass of turtle
velocity of Truck
time taken to stop
using
where v=final velocity
u=initial velocity
a=acceleration
t=time
therefore 2.04 is the deceleration experienced by turtle which is countered by frictional force
,where
coefficient of friction