Answer:
8.953 s
Explanation:
Here a time of 8953 ms is given.
Some of the prefixes of the SI units are
mili = 10⁻³
micro = 10⁻⁶
nano = 10⁻⁹
kilo = 10³
Mega = 10⁶
Each prefix increases or decreases by a factor of 10³
The number is 8953.0
Here, the only solution where the number of significant figures is mili. If any other prefix is chosen then the significant figures will increase.



So, 8953 ms = 8.953 s
Using the initial momentum vector as a basis, the change in momentum vector Δp for the cart is drawn as shown in the attachment.
<h3>Further explanation</h3>
Newton's second law of motion states that the resultant force applied to an object is directly proportional to the mass and acceleration of the object.

F = Force ( Newton )
m = Object's Mass ( kg )
a = Acceleration ( m )
Let us now tackle the problem !

<u>Given:</u>
Initial speed of cart = v_i = v
Final speed of cart = v_f = v
<u>Unknown:</u>
The change in momentum of cart = I = ?
<u>Solution:</u>









<em>From the results above, we can conclude that the change in momentum vector Δp is twice the initial momentum vector p_i but in opposite direction.</em>
The vector <em>Δp could be drawn as shown </em><em>in the attachment.</em>

<h3>Learn more</h3>
<h3>Answer details</h3>
Grade: High School
Subject: Physics
Chapter: Dynamics
Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant
#LearnWithBrainly
Frequency of a wave =
(speed of the wave) divided by (wavelength)
or
(1) divided by (period of the wave) .
Period of the wave =
(wavelength) divided by (speed of the wave)
or
(1) divided by (frequency of the wave) .
Answer:
c
Explanation:
the moon moves around earth