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ANEK [815]
3 years ago
10

Which information is necessary to determine an object's speed?

Physics
1 answer:
lana [24]3 years ago
5 0

Answer:

1. distance and period of time.

Explanation:

The speed is calculated using the formula k = \frac{d}{t}

"k" is the speed, "d" is the distance and "t" is the time.

You need distance and time to calculate the speed.

Speed is how fast an object is going. The direction is irrelevant to speed, not to be confused with velocity, which is speed in a given direction.

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If average acceleration is calculated using the equation, “change in velocity / change in time,” what is an objects acceleration
harina [27]

Answer:

Acceleration of object=8cm/s^{2}

Explanation:

Given:-

Velocity (v)=24 cm/s

Time (t)=3 s

To calculate acceleration (a) of object=?

Now,

acceleration =\frac{velocity}{time}

a=\frac{v}{t}

a=\frac{24}{3}

a=8 cm/s^{2}

Therefore object acceleration =8cm/s^{2}

7 0
3 years ago
a beaker has mass of 125 g. what is the mass of liquid if the beaker plus liquid have a mass of 232 g?
MrRissso [65]

Answer: 107g

Explanation:

Just subtract 125 from 232, like this: 232-125=107g.

7 0
3 years ago
Explain why pumice floats and why ironwood sinks
almond37 [142]

Answer:

A quick way of describing density is to describe an object as heavy or light for its size. Pumice stone, unlike regular rock, does not sink in water because it has a low density. An ironwood branch is very dense and sinks in water.

Hope that helps. x

6 0
2 years ago
Read 2 more answers
Measuring the size of a specific object might include which of these SI units?
defon

D. Meter, Kilogram

Explanation:

  • There are certain units for the measurements things which are around us.
  • This is the SI units for the measurement of the size of the objects.
  • SI units are international unit systems, they are one who accepted around the world.
  • It is called the International System of Units, used to expresses the phenomenon happens around us in a scientific method
  • Here, the meter is the unit for Length in the International System of Units and Kilogram is to represent the mass of the object in SI units system.
3 0
4 years ago
Which trait shared by dolphins and bats possibly lead to the evolution of echolocation in these two animal groups? the need to m
Lisa [10]

A trait shared by dolphins and bats that possibly led to the evolution of echolocation in these two animal groups will be the need to move quickly through dark environments.

<h3>What is the evolution of echolocation?</h3>

Our understanding of the evolution of echolocation in bats has shifted as a result of recent molecular phylogenies. These phylogenies imply that bats with advanced echolocation

According to one interpretation of these trees, laryngeal echolocation originated in the ancestor of all living bats. Echolocation may have been lost in Old World fruit bats

The vast adaptive radiation in echolocation call design is substantially controlled by ecology, demonstrating how environmental perceptual problems influence call design.

A trait shared by dolphins and bats that possibly led to the evolution of echolocation in these two animal groups will be the need to move quickly through dark environments.

Hence option A is correct.

To learn more about the evolution of echolocation refer to the link;

brainly.com/question/20789287

3 0
2 years ago
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