A Level Physics A: Modelling Physics

W (watts)

energy, mass, power

a = −25x

<p>130 J kg−1 K−1</p> Signup and view all the answers

<p>kg (kilogram)</p> Signup and view all the answers

<p>30 minutes</p> Signup and view all the answers

<p>The shape of the graph is a curve that starts at a maximum value of g, decreases to zero at a certain distance r, and then becomes negative.</p> Signup and view all the answers

<p>It represents the point where the gravitational field strength of the Earth and Mars are equal and opposite.</p> Signup and view all the answers

<p>The ratio is approximately 9:1.</p> Signup and view all the answers

<p>1.2 MJ s−1.</p> Signup and view all the answers

<p>The mass per second can be calculated using the kinetic energy and the wind speed.</p> Signup and view all the answers

<p>The unit of t is kg/m^3.</p> Signup and view all the answers

<p>1.2 MW</p> Signup and view all the answers

<p>42%</p> Signup and view all the answers

<p>5800 K</p> Signup and view all the answers

<p>370 nm</p> Signup and view all the answers

<p>Ek = p² / 2m</p> Signup and view all the answers

<p>s = 0</p> Signup and view all the answers

<p>The graph is a straight line with a positive gradient.</p> Signup and view all the answers

<p>Ek = p² / 2m</p> Signup and view all the answers