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Nookie1986 [14]
3 years ago
9

Robbie found a rock in a stream. The rock was smooth and round. What MOST LIKELY caused this to happen?

Physics
1 answer:
Degger [83]3 years ago
7 0

Answer:

C, weathering by the water.

Explanation:

While in the river, it scraps againsts other rocks and things, which causes it to change shape. For example be smoother and round.

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Benjamina started her walk from the front door of her ground floor apartment. She walked 6 meters to the corner of the building
Cloud [144]
The distance is the total distance she walked which is 16 meters adding the 6 meters to the corner and 10 meters to her friend's apartment. Her displacement is the distance from her original starting point so you set up a triangle with side lengths of 6 and 10 and solve for the hypotenuse which gives you a displacement of 11.66 meters.  
5 0
4 years ago
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Which type of resistor is commonly used in automotive circuits? a. Fixed value b. Stepped c. Variable d. All of the choices
soldi70 [24.7K]

Answer:d-All of the above

Explanation:

A resistor is a device used in electrical circuits that offers resistance to current flow.In automotive circuit commonly used resistor are

  1. Fixed value
  2. Stepped
  3. Variable

Fixed value:A fixed value electrical resistance is one whose value is resistance value is fixed and does not change in circuit.

Stepped resistance:Stepped resistor also called as tapped resistors provide two or more set resistor values. In a circuit, the various resistances are attached to different terminals. When the switch is shifted, different resistance values are put in the circuit.

Variable resistance:The variable resistor gives more control over the current flow by increasing the resistance. When the resistance of the variable resistor increases, the amount of current allowed to flow in the circuit decreases.              

7 0
3 years ago
WILL BE MARKED BRAINLIEST AND GETS 100 POINTS
RoseWind [281]

Answer: The doctor shouls be concerned about your intergumentary system, because the integumentary system is susceptible to many variteies of injuries. And it can be fatal

Explanation:

6 0
4 years ago
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A ball is launched horizontally from a height of 172 m above the ground. its initial horizontal velocity is 16m/s. how long does
Romashka-Z-Leto [24]

Answer:

172*16 times it and that is your answer

8 0
3 years ago
a metal bal is held at rest H=65.0 cm above the floor. The ball is released with no initial velocity. How much time does it take
Fofino [41]

<u>Answer: </u>

Metal ball will take 0.364 seconds to reach floor.

<u>Explanation: </u>

Initial height from ground = 65 cm = 0.65 meter

We have equation of motion , s= ut+\frac{1}{2} at^2, s is the displacement, u is the initial velocity, a is the acceleration and t is the time.

In this the velocity of body in vertical direction = 0 m/s, acceleration =acceleration due to gravity = 9.8 m/s^2, we need to calculate time when s = 0.65 meter.

Substituting

0.65=0*t+\frac{1}{2} *9.8*t^2\\ \\ t = 0.364 seconds

So it will take 0.364 seconds to reach floor.

5 0
4 years ago
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