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zvonat [6]
3 years ago
11

I need help with this answer

Physics
1 answer:
7nadin3 [17]3 years ago
8 0

Answer:

double replacement

Explanation:

sorry if im wrong

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A spaceship is travelling at 20,000.0 m/s. After 5.0 seconds, the rocket thrusters are turned on. At the 55.0 second mark, the s
tankabanditka [31]

Answer:

80 m/s^2

Explanation:

The acceleration of an object is given by:

a=\frac{v-u}{t}

where

v is the final velocity

u is the initial velocity

t is the time interval it takes for the velocity to change from u to v

For the rocket in this problem,

u = 20,000 m/s

v = 24,000 m/s

t = 55.0 - 5.0 = 50.0 s

Substituting,

a=\frac{24000-20000}{50}=80 m/s^2

7 0
3 years ago
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shepuryov [24]

Answer:

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Explanation:

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3 years ago
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An object is given an initial velocity. What will happen to the object if no other forces act on it?
Phoenix [80]

Answer:

The object will travel at a constant rate in along a straight line.

Explanation:

In the given situation, it is mentioned that there is no external force acting on the given object. Thus, it will retain its initial velocity along a straight path.

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An echo is heard from a building 0.4 s after you shout "hello." How many feet away is
UNO [17]

Answer:

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Explanation:

6 0
3 years ago
Can someone help me with this please
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