<p>The mass of Arlo with his car is 1170 kg. He gets his mass up to 5 m/s. </p>
<p>If he runs into a wall, approximate it as an elastic collision and find the impulse he would experience.</p>
<p>If his collision lasts 2 ms find the force he would experience.</p>
<p>Find the force he would’ve experienced if his collision with the wall had been perfectly inelastic so he sticks to the wall and stops.</p>
<p>If Arlo and Alice experience a head-on elastic collision find Arlo’s final velocity.</p>
<p>I’m getting weird answers here, so if someone could confirm I’m using the correct formulas and stuff by letting me know which ones to use, that’d be great!</p>