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forsale [732]
3 years ago
7

Compared to the cells in a healthy body, Elisa’s cells are getting far fewer ____________________ molecules.

Physics
1 answer:
Elenna [48]3 years ago
7 0

Answer:

glucose

Explanation:

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A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are
igor_vitrenko [27]

Answer:

0.231 N

Explanation:

To get from rest to angular speed of 6.37 rad/s within 9.87s, the angular acceleration of the rod must be

\alpha = \frac{\theta}{t} = \frac{6.37}{9.87} = 0.6454 rad/s^2

If the rod is rotating about a perpendicular axis at one of its end, then it's momentum inertia must be:

I = \frac{mL^2}{3} = \frac{1.27*0.847^2}{3} = 0.303kgm^2

According to Newton 2nd law, the torque required to exert on this rod to achieve such angular acceleration is

T = I\alpha = 0.303*0.6454 = 0.196 Nm

So the force acting on the other end to generate this torque mush be:

F = \frac{T}{L} = \frac{0.196}{0.847} = 0.231 N

4 0
3 years ago
What would happen if you removed the jaguar from this food web?
babunello [35]
If it was removed it would not be a predator
3 0
3 years ago
Read 2 more answers
How to find the coefficient of kinetic friction on an incline?
PolarNik [594]

Answer:

An object slides down an inclined plane at a constant velocity if the net force on the object is zero. We can use this fact to measure the coefficient of kinetic friction between two objects.

Explanation:

give me brainliest please!

7 0
2 years ago
Calculate the displacement of a motorcycle that accelerates forward from rest to 7.0 m/s in 3.5 s.
Harrizon [31]

Answer:

12.25 meters

Explanation:

s=1/2(v+u)t

s= displacement

v= final velocity

u= initial velocity

t= time

7m/s+0m/s divide by 2= 3.5 m/s velocity  Times 3.5 seconds=  12.25 meters

3 0
2 years ago
A construction worker ascending at 6m/s in an open elevator 42 m above the ground drops a hammer.
earnstyle [38]
Let us follow the motion of the hammer first. Because the elevator is in motion, when he drops the hammer, because of inertia, there is a slight moment when the hammer also rises with the elevator. Eventually it will reach its highest peak and drop down to the floor. So, the total time for the hammer to reach the floor would include: (1) the time for it to rise with the elevator to its highest peak and (2) the time for the free fall from the highest peak to the floor.

1.) Time for it to rise with the elevator to its highest peak:
      Hmax = v²/2g = (6 m/s)²/2(9.81 m/s²) = 1.835 m
      Time to reach 1.835 m = 1.835 m * 1 s/6 m = 0.306 s
     
     Time for the free fall from the highest peak to the floor:
      t = √2y/g, where y is the total height
      y = 1.835 m + 42 m = 43.835 m
      So,
      t = √2(43.835 m )/(9.81 m/s²) = 2.989 s

      Therefore, the total time is 0.306 s + 2.989 s = 3.3 seconds

2.) Velocity of impact of a free-falling body is:
      v = √2gy
      v = √2(9.81 m/s²)(43.835 m)
      v = 29.33 m/s
6 0
2 years ago
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