Sample Response: Yes, his graph is correct because it shows that as the average kinetic energy increases, so does the temperatur
1 answer:
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Answer:
So percentage error will be 2 %
Explanation:
We have given initial value of acceleration due to gravity
And final value of acceleration due to gravity
We have to find the percentage error
We know that percentage error is given by
So %
Answer:
4.25 s
Explanation:
Given:
angular acceleration'α'= 1.8 rad/s²
angle 'θ'= 45 rad
time 't'= 4s
initial angular velocity ''=0
as we know that,
θ= t +
45 = 4 + (0.5 x 1.8 x 16)
45- 14.4 = 4
30.6 = 4
= 7.65
Next is to find t by using the equation
=
+
7.65= 0 + (1.8)
= 7.65/1.8
= 4.25 s
Therefore, At the start of 4s interval the motion is at 4.25 second
My solution. ......................
