Step-by-step explanation:
Please refer to the attachment.
Answer:
4.05d+0.1i−4.2
Step-by-step explanation:
Let's simplify step-by-step.
1.6i+
3/
4
d−3(
1
/2
i−1.1d)−4.2
Distribute:
=1.6i+
3/
4
d+(−3)(
1/
2
i)+(−3)(−1.1d)+−4.2
=1.6i+
3/
4
d+
−3/
2
i+3.3d+−4.2
Combine Like Terms:
=1.6i+
3/
4
d+
−3/
2
i+3.3d+−4.2
=(
3/
4
d+3.3d)+(1.6i+
−3/
2
i)+(−4.2)
=4.05d+0.1i+−4.2
Hope it helped!
Answer:
Your friend sees you moving at 0.25 m/s upstream.
Step-by-step explanation:
Remember that relative velocity is the velocity of an object in relation to another object. In this example, your friend sees you moving with respect to the river with a relative velocity (Vr) of:
Vr = Yor Velocity (Vy) - The river Velocity (Vriver) =
Vr = 1.25 m/s - 1 m/s = 0.25 m/s
I hope my answer helped you.
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