A car travels in a straight line for 4.1 h at a constant speed of 95 km/h . What is its acceleration? Answer in units of m/s 2 .
1 answer:
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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>
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Grade: High School
Subject: Physics
Chapter: Dynamics
Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant
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