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mojhsa [17]
3 years ago
9

Which of the following should not be held constant during this experiment?

Physics
2 answers:
Artyom0805 [142]3 years ago
8 0
The answer is c. the degree of wetness of the paper towels.
antoniya [11.8K]3 years ago
3 0
The awnser is B to that problem
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Refer to the attached image!!!​
dimaraw [331]

The time of motion of the track star is determined as 0.837 s.

<h3>Time of motion of the track star</h3>

The time of motion of the track star is calculated as follows;

T = (2u sinθ)/g

where;

  • T is time of motion
  • g is acceleration due to gravity
  • θ is angle of projection

T = (2 x 12 x sin20)/9.8

T = 0.837 s

Learn more about time of motion here: brainly.com/question/2364404

#SPJ1

6 0
2 years ago
In the northern hemisphere planetary winds deflect to the
umka2103 [35]

Answer:

Planetary are deflected to right due to Coriolis effect.

Explanation:

   The term Coriolis effect is defined as an effect in which the rotating object experience a force called as coriolis force which acts perpendicular to the axis of rotation and direction of motion. The effect talks about how the moving objects like ocean currents, wind are deflected due to the rotation of earth.

      Winds and ocean currents are strongly affect by this effect.

   

8 0
3 years ago
_____ is a closed loop of conductors through which charges flow.
Verdich [7]
The answer is c. Hope that helped
8 0
3 years ago
Read 2 more answers
A student throws a water balloon with speed v0 from a height h = 1.82 m at an angle θ = 29° above the horizontal toward a target
3241004551 [841]

Answer:

v_o = 7.76 m/s

Explanation:

As we projected the balloon at speed vo at an angle of 29 degree

so the two component of velocity is given as

v_x = v_ocos29 = 0.875 v_o

v_y = v_o sin29 = 0.485 v_o

now we know that in x direction we have

d = v_x t

7.5 = 0.875 v_o t

v_o t = 8.57

in y direction we have

- 1.82 = (0.485 v_o) t - \frac{1}{2}gt^2

-1.82 = 0.485(8.57) - 4.9 t^2

t = 1.1 s

now we have

v_o = 7.76 m/s

7 0
4 years ago
Explain what it means when someone says energy can not be created or destroyed.
harina [27]

Answer:

Newtons law of conservation energy says that energy cannot be created or destroyed because energy is always made into something else. It is always reused.

Explanation:

8 0
2 years ago
Read 2 more answers
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