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Kamila [148]
3 years ago
7

An object is projected straight upward with an initial speed of 25.0 m/s

Physics
1 answer:
hoa [83]3 years ago
4 0

Answer:

What's the question your asking?

Explanation:

It moves with an initial speed of 25.0 miles per second.

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Suppose you apply a force of 75 N to a 25-kg object. What will the acceleration of the object be?
Serjik [45]

Answer:

I belive it would be ture

Explanation:

It's been a while since I learned this but I think that is right.

6 0
3 years ago
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The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz (M = 106 ). Calculate the
horrorfan [7]

Answer:

Energy, E=2.65\times 10^{-25}\ J

Explanation:

It is given that,

The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz,

\nu=400\ MHz=400\times 10^6\ Hz=4\times 10^8\ Hz

We need to find the energy for a photon having this frequency. The energy of a photon is given by :

E=h\nu

E=6.63\times 10^{-34}\ J-s\times 4\times 10^8\ Hz

E=2.65\times 10^{-25}\ J

So, the energy of the photon is 2.65\times 10^{-25}\ J. Hence, this is the required solution.

6 0
3 years ago
~PLEASE HELP!~
Evgen [1.6K]
Asexual reproduction is a type of reproduction that only requires one parent. The offspring only have the characteristics and traits from that parents. They create “clones” if you will. This is the most common form of reproduction for single cell organisms like prokarayotes and bacteria.


Here are the advantages:

1. Rapid Populating
Asexual reproduction gives the ability to produce large quantities of of offspring. This helps to fill up niche’s quickly and prevent intruders and competition from invading.

2. No Mates Required
Finding a mate can be very difficult for organisms that are in desolate environments, like the deep ocean. Asexual reproduction takes the need to find a mate away, allowing these organisms to multiply.

3. In Case of Emergency
In dire situations, plants and organisms can keep themselves alive and produce others to help them without the help of a mate, or other reproductive source. Plants are a great example of this. If no pollinator is available to pollinate, then they can clone by asexual reproduction.

4. No True Investment
Asexual reproducers do not have to carry their offspring for a long amount of time and produce more than one at a time. This makes it a quick and inexpensive process for them in the terms of time.


Here are the disadvantages:

1. No Diversity
Since the traits of only one parent is passed on, all of the offspring are exactly identical. This causes for a very big lack of diversity among the population of these organisms.

2. Prone To Extinction
All of the same traits also means all of the same weaknesses. Parasites and other predators that have evolved to kill just one of the organisms can take out the entire population.

3. Cannot Adapt
An organism has established reactions to certain things, and all of these reactions are passed down to their offspring with asexual reproduction. This makes it impossible for them to adapt to any environment changes.
6 0
3 years ago
If we had a wave period of 0.0003 seconds what what would be its frequency?
yawa3891 [41]

Answer:

3,333.33 /sec

Explanation:

frequency = 1/period

= 1/0.0003 = 3,333.33 /sec

4 0
3 years ago
In a race, Usain bolt accelerates at 1.99 m/s^2 for the first 60.0 m, then decelerates at -0.266 m/s^2 for the final 40.0 m. How
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7 miles long i think bc i dont know bc i am bad at math and math is good
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