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crimeas [40]
3 years ago
6

What is the acceleration for an object moving with constant speed? Explain your answer

Physics
2 answers:
marishachu [46]3 years ago
4 0

Answer:

there is no acceleration for an object moving with constant speed

Explanation:

it is because acceleration is change in velocity and constant means same or without any change so there is no acceleration for an object which is moving with same speed

hope it helps:)

Oduvanchick [21]3 years ago
3 0

Answer:

What is the acceleration of an object moving at a constant speed?

The Meaning of Constant Acceleration

The data table above show an object changing its velocity by 10 m/s in each consecutive second. This is referred to as a constant acceleration since the velocity is changing by a constant amount each second.

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Write a definition for the word epicenter
docker41 [41]

Explanation: Epicenter is the part of the earth's surface directly above the focus of an earthquake.

I hope this helps you.

3 0
3 years ago
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. There is no one a
NemiM [27]

Answer: Machines according to Wikipedia is "a mechanical structure that uses power to apply forces and control movement to perform an intended action. Machines can be driven by animals and people, by natural forces such as wind and water, and by chemical, thermal, or electrical power, and include a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement ".

A pulley is a wheel on an axle or shaft that is created to support movement, it makes carry loads easier.

A pulley is a simple type of machine, which in the above explained case makes carrying a load easier.

4 0
3 years ago
What is the acceleration if velocity increases from 10 m/s to 15m/s after travelling a distance of 5 metre​
Semenov [28]

Answer:

a=1.25m/s²

Explanation:

GIVEN DATA

vi=10m/s

vf=15m/s

S=5m

TO FIND

a=?

SOLUTION

by using third equation of motion

2as=(vf)²-(vi)²

2a(5m)=(15m/s)²-(10m/s)²

10m×a=225m²/s²-100m²/s²

10m×a=125m²/s²

a=\frac{125}{10}

a=12.5m/s²

8 0
3 years ago
The U.S. has plans to build a 30-meter telescope, while the Europeans are thinking about a 39-meter telescope. What technologica
dmitriy555 [2]

Answer:

The mirror in these telescopes will be constructed from many smaller mirrors which will work together.

Explanation:

A telescope is defined as an optical instrument that is used to observe or view the distant objects. A telescope is made up of curved lenses or mirrors or by combining both.

In the context, both the US and the Europeans are planning to make a telescope which is 30 m and 39 m respectively. This could be possible as the mirrors that are used to make these telescope will be made from a many smaller mirrors that will work together as a single large mirror having a very large aperture.

8 0
3 years ago
A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular path the riders follow
Oksana_A [137]

Answer:

a)\omega=1.36rad/s

b)\omega=12.99rpm

c)F=705.6N

Explanation:

a) The angular velocity is related to the centripetal acceleration by the formula a_{cp}=\omega^2r, which for our purposes we will write as:

\omega=\sqrt{\frac{a_{cp}}{r}}

Since <em>we want this acceleration to be 1.5 times that due to gravity</em>, for our values we will have:

\omega=\sqrt{\frac{1.5g}{r}}=\sqrt{\frac{(1.5)(9.8m/s^2)}{(8m)}}=1.36rad/s

b) 1 rpm (revolution per minute) is equivalent to an angle of 2\pi radians in 60 seconds:

1\ rpm=\frac{2\pi rad}{60s} =\frac{\pi}{30}rad/s

Which means <em>we can use the conversion factor</em>:

\frac{1\ rpm}{\frac{\pi}{30}rad/s}=1

So we have (multiplying by the conversion factor, which is 1, not affecting anything but transforming our units):

\omega=1.36rad/s=1.36rad/s(\frac{1\ rpm}{\frac{\pi}{30}rad/s})=12.99rpm

c) The centripetal force will be given by Newton's 2nd Law F=ma, so on the centripetal direction for our values we have:

F=ma=(48kg)(1.5)(9.8m/s^2)=705.6N

8 0
3 years ago
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