Question

Object thrown up Vi = 110 m/s,
sketch a V vs t plot of the object
from the throw to the peak (use a = -10 m/s2)

Answer 1

Answer on Question #73979 Physics / Other

Object thrown up $v_i = 110 \, \text{m/s}$, sketch a $v$ vs $t$ plot of the object from the throw to the peak (use $a = -10 \, \text{m/s}^2$).

Solution:

The time dependence of the velocity

$$v(t) = v_i + a t$$

In our case

$$v(t) = 110 - 10 t$$

Object reaches the maximum height within the time

$$t = \frac{v_i}{-a} = \frac{110}{10} = 1.1 \, \text{s}$$

Thus the $v$ vs $t$ plot of the object is as follows

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