According to Newton's first law of motion, the puck gradually slows down because friction would be acting on it.
<h3>What is Newton's first law?</h3>
Newton's first law of motion states that an object will remain at rest or move uniformly in a straight line unless acted upon by an external force.
According to this question, a hockey puck is hit with a large force. The puck moves at a high speed as it slides over the ice.
However, in accordance with the first law of motion proposed by Newton, the puck gradually slows down because friction would be acting on it.
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Answer:
t = 1.68 min
S = 2.82 miles
Explanation:
Given,
The initial velocity of the vehicle, u = 0
The final velocity of the vehicle, v = 203 mph
The average acceleration of the vehicle, a = 2.93 ft/s²
= 7191.82 miles/h²
Using the first equation of motion
v = u + at
t = (v - u) / a
= (203 - 0) / 7191.82
= 0.028 h
= 100.8 s
Thus, the time taken by the vehicle to reach the final velocity is, t = 100.8 s
Using the third equations of motion
S = ut + 1/2 at²
Substituting the values
S = 0.5 x 7191.82 x (0.028)²
= 2.82 miles
Hence, the distance traveled by the vehicle, S = 2.82 miles
The answer is C. ionic compounds, compared to another hard compound which is the covalent bond, the structure of the ionic compound is lattice or crystalline in form thus less room for imperfections on its structure compared to the latter choices.