3. The rehbelow shows the variation of the merature of 200 .) Use the graph to state the melting point of lead.
11
D) Explain why the graph is a straight line at the start
M
c) Explain what happens to the energy supplied to the lead as I metsata
constant temperature
191
d) The initial temperature of the lead is O'C. Use the graph to determine the total
energy supplied to the load before it starts to mat. The specific heat capacity
of lead is 130 kg

graphing motion: mastery test

209be

what is the instantaneous acceleration of

the particle at point b?

0 meters/second?

10 meters/second?

12 meters/second?

velocity imetersisecond

15 meters/second?

20

time (seconds)

answer: 0 meters/second^2

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.