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Pavlova-9 [17]
4 years ago
7

how do you solve this problem. A bat flying at 3.7m/s spots an insect 23.8 meters away. How much must the bat increase its speed

to reach the bug in 1.8 seconds.
Physics
1 answer:
RideAnS [48]4 years ago
5 0

Here's how I would do it:

How far does he have to go to catch the bug ?  <u>23.8 meters</u>

How soon does he want to get there ?  <u>1.8 seconds</u>

What speed does he need ?  (23.8 m) / (1.8 sec) = <u>13.222 m/sec</u>

What speed is he flying now?    <u>3.7m/s</u>

How much does he need to increase it ?  (13.222 - 3.7) =  <em>9.5 m/s</em> faster


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Quem é ou foi Elon Musk??
mario62 [17]

Explanation:

Elon Reeve Musk FRS (/ ˈiːlɒn /; nascido em 28 de junho de 1971) é engenheiro, designer industrial, empresário de tecnologia e filantropo. Ele é o fundador, CEO, CTO e designer-chefe da SpaceX; investidor inicial, [nota 1] CEO e arquiteto de produto da Tesla, Inc.; fundador da The Boring Company; co-fundador da Neuralink; e co-fundador e co-presidente inicial da OpenAI. Ele foi eleito membro da Royal Society (FRS) em 2018. Em 2018, ele foi classificado em 25º na lista da Forbes das pessoas mais poderosas do mundo, e foi classificado em primeiro lugar na lista da Forbes dos líderes mais inovadores de 2019. Em 29 de julho de 2020, seu patrimônio líquido foi estimado em US $ 68 bilhões e ele foi listado pela Forbes como a nona pessoa mais rica do mundo. Ele é o CEO com o mandato mais longo de qualquer fabricante automotivo globalmente.

3 0
3 years ago
Which actions most likely cause the domains in a ferromagnetic material to align? Check all that apply. heating the material rub
ryzh [129]

Answer:

i. rubbing the material against a magnet

ii. placing the material in a magnetic field of opposite polarity

iii. placing the material near a strong magnet

Explanation:

Ferromagnetic materials are majorly metals which can be easily attracted by a magnet. ferromagnetic materials are made up of domains, behaves as minute pieces of magnet. They can be rearranged to align when under the influence of an external magnetic field.

The alignment of the domains in a ferromagnetic material can be caused by either of the following: rubbing the material against a magnet, placing the material in a magnetic field of opposite polarity, placing the material near a strong magnet.

8 0
3 years ago
Read 2 more answers
The surface manifestation of a mantle plum is called a ________.
galina1969 [7]
L think is Asthenosphere
3 0
3 years ago
A 1230 kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 7.07 m before contacting the beam,
PilotLPTM [1.2K]

Answer:

F_{avg} = 5.48 \times 10^5 N

Explanation:

As we know that initial and final speed of the beam is zero

so we can use energy conservation here to find the applied force

So we will have

work done by all the forces = change in kinetic energy of the beam

so we will have

W_g + W_{beam} = \Delta K

mg(L + x) - F_{avg} x = 0

1230(9.81)(7.07 + 0.159) = F_{avg} (0.159)

so we will have

87227.3 = F_{avg} (0.159)

F_{avg} = 5.48 \times 10^5 N

4 0
4 years ago
A triangular plate with a non-uniform areal density has a mass M=0.500 kg. It is suspended by a pivot at P and can oscillate as
malfutka [58]

The period of the oscillations.T = 1.2042s

Opposition is the process of any quantity or measure fluctuating repeatedly about its equilibrium value throughout time. This process is referred to as oscillation. Oscillation, a periodic fluctuation of a substance, can also be described as alternating between two values or rotating around a central value.

Typically, the mathematical formula for the moment of inertia is

T = 2 π √(I / mgd)

Therefore, a moment of inertia

I = 9.00×10-3 + md^2 ;

I=9.00*10^{-3}+ 0.5 * 0.3^2

I=0.054

T=2\pi \sqrt{0.5*9.8*0.3}

T=1.2042s

The period of the oscillations.T = 1.2042s

Read more about the period of the oscillations. brainly.com/question/14394641

#SPJ1

6 0
1 year ago
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