Answer:
The correct answer is "6666.67 N".
Explanation:
The given values are:
Mass,
m = 0.100
Relative speed,
v = 4.00 x 10³
time,
t = 6.00 x 10⁻⁸
As we know,
⇒
On substituting the given values, we get
⇒
⇒
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2 answers:
Answer: B. -273°C.
Step- to- step explanation:
In the given graph the x-axis is representing the Temperature (°C) and the y-axis is representing the Volume (ml).
When we look at the x-axis we can see that the major division is 100 (difference between the values on x-axis )and minor division is 10 (number of blocks).
The graph intercepts the x-axis on the third block from the origin.
So, the estimated value of x-intercept =
Using the given options, the temperature corresponds to the x-intercept is 273°
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Explanation:
Given that,
Mass of a ball, m = 250 g = 0.25 kg
Initial velocity of the ball, u = 6 m/s
Final velocity of the ball, v = -9 m/s
(a) Impulse of the system is given by :
Impulse = change in momentum
J = m(v-u)
J = 0.25(-9-6)
= -3.75 kg-m/s
(b) Impulse = Ft
If t = 0.5 min = 30 s
So,
So, impulse of the system is -3.75 kg-m/s and the force is -0.125 N.