Question

an athlete throws a javeline just as it hits the ground the javeline has a horizontal velocity component of 20m per second and a vertical velocity component of 10 m per second. the magnitude of the javeline's velocity as it hits the ground is?

Answer 1

Answer on Question #75108-Physics-Other

an athlete throws a javeline just as it hits the ground the javeline has a horizontal velocity component of 20m per second and a vertical velocity component of 10 m per second. the magnitude of the javeline's velocity as it hits the ground is?

Solution

The magnitude of the javeline's velocity as it hits the ground is

$$V = \sqrt{(V_x)^2 + (V_y)^2}$$ $$V = \sqrt{(20)^2 + (10)^2} = 22.36 \frac{m}{s}.$$

Answer: 22.36 $\frac{m}{s}$.

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