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Natalija [7]
3 years ago
11

Which of the following statements is true about the scientific process?

Physics
1 answer:
KiRa [710]3 years ago
4 0
The best and most correct answer among the choices provided by your question is the third choice or letter C.
<span>The statement "Your hypothesis must be testable." is true about the scientific process.


</span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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In some employment situations, not all personnel can immediately evacuate a work area per the EAP. It may be that some equipment
Semmy [17]
These personnel are referred to as wardens. <span>They may also be responsible for checking offices, bathrooms, and other spaces before being the last person to exit an area. They might also be tasked with ensuring that fire doors are closed when exiting. </span>
3 0
4 years ago
The drawing represents a mountain bike trail. A rider began at Point 1 on the trail and stopped at Point 3. At which point did h
Citrus2011 [14]

Answer:

Point 2.

Explanation:

Potential energy is simply defined as the energy stored in an object due to its position. It is can be represented mathematically by:

P.E = mgh

Where:

P.E is the potential energy.

m is the mass of the object.

g is acceleration due to gravity.

h is the height to which the object is located.

From the above equation, we can thus say that potential energy depends on the height of the object since the mass of the object is always constant i.e as the height of the object increase, the potential energy also increases and as the height of the object decrease, the potential energy also decreases.

Now, considering the diagram in the question given, we can see that point 2 is the lowest height to which the rider is located. At this point i.e point 2, the rider will have the least potential energy.

5 0
3 years ago
As the pendulum swings through the origin, it has a speed of v0 = 1.1 m/s. If the mass on the end of the pendulum is 15 g, and t
serg [7]

Answer:

1: 6.18 cm

2: 52.5609 degrees

Explanation:

We have the pendulum speed at the origin, and in that moment, all energy is kinetic, so we can calculate the pendulum energy by:

Ec = 0.5*m*v^2 = 0.5*0.015*1.1^2 = 0.0091 J

Now with that energy, we can calculate the height the pendulum will reach, as in that moment, the kinetic energy is totally converted to gravitational potencial energy:

Eg = m*g*h = 0.0091

0.015 * 9.81 * h = 0.0091

h = 0.0091 / (0.015 * 9.81 ) = 0.0618 m = 6.18 cm

Looking at the image attached, we can see that the pendulum will form a triangle, and one of the cathetus will be the length of the pendulum minus the height it went up, and the hypotenusa will be the pendulum length.

So, we know that the sine of the angle will be the division between the opposite cathetus and the hypotenusa:

sin(angle) = (30-6.18)/30 = 23.82/30 = 0.794 -> angle = 52.5609 degrees

4 0
3 years ago
If a student has a weight of 360 n on earth, what is the student’s weight on the moon?
Monica [59]
Use w=m*g. The value of g is 1.67m/s^2
3 0
3 years ago
What two factors determine how much kinetic energy an object has from its motion?
maksim [4K]

Answer:       mass and speed.

Explanation:       The two main factors that affect kinetic energy are mass and speed. Why? Because the motion of an object depends on how fast it's traveling.

8 0
3 years ago
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