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romanna [79]
4 years ago
11

In terms of speed and direction in what ways can an object accelerate?

Physics
1 answer:
Ratling [72]4 years ago
5 0

Answer:

it can change its speed direction or both

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In a circus act, when the tumbling lever is measured, the measurements show that the effort arm is 8 meters long and the resista
Yuki888 [10]

The statement the mechanical advantage of the lever is 16 is False.

<h3>Mechanical Advantage</h3>

Mechanical advantage MA = d/D where

  • d = distance moved by effort and
  • D = distance moved by load

Given that the effort arm is 8 meters long, d = distance moved by effort = 8 m.

Also, given that the resistance arm is 2 meters long, D = distance moved by load = 2 m.

<h3>Calculating the mechanical advantage</h3>

So, substituting the values of the variables into the equation, we have

MA = d/D

MA = 8 m/2 m

MA = 4

Since MA = 4, so, the stament is False.

So, the statement the mechanical advantage of the lever is 16 is False.

Learn more about mechanical advantage here:

brainly.com/question/13779480

3 0
3 years ago
PLEASE HELP IM CONFUSED
Fittoniya [83]

Sound waves can be used in a similar way to "see" things. After turning on a sound source, we can look at the pattern of reflected sound waves that bounce back to us. Our own ears and brain don't process sound into mental pictures.


3 0
3 years ago
B) Smartphone, iPad, and tablet are also a kind of computer.
valentinak56 [21]

Answer:

Yes

Explanation:

7 0
3 years ago
A plane starting from rest accelerates to 40 m/s in 10 s. How far did the plane travel during this time?
andrew-mc [135]

Answer:

400 meters

Explanation:

using the equation:

  • speed = distance/time
  • it would look like this when plugged in: 40=d/10
  • d (distance) is the unknown variable, so you have to solve for that
  • multiply both sides by 10 since you want to separate d to solve its number.
  • 10d/10=40 × 10
  • the two tens on the d part of the equation would cancel out, leaving only d.
  • Therefore, d = 400

Hopefully this helps.

5 0
3 years ago
A person pushes a box across the floor the energy from the person moving arm is transferred to the box in the box in the floor b
dangina [55]
The energy builds up
7 0
3 years ago
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