اريد جواب ؟؟

[microbiologest]

السلام عليكم

اعزائي الاعضاء اريد جوابا حق هذه الاسئلة ؟؟

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Vector is 6.7 units long and points along the negative axis. Vector is 9.0 units long and points at 40 to the positive axis.
What are the and components of vector V1?
V1x, V1y:
What are the and components of vector V2?
V2x, V2y:




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The summit of a mountain, 2530 above base camp, is measured on a map to be 4190 horizontally from the camp in a direction 46.8 west of north.
What are the components of the displacement vector from camp to summit? Choose the x axis east, y axis north, z and axis up.
dx,dy,dz:
What is its magnitude?
d:

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A 14.0kg bucket is lowered vertically by a rope in which there is 189N of tension at a given instant.
What is the acceleration of the bucket?
a: m/s2
Is it up or down?
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A 11.0 -kg box is released on a 38 incline and accelerates down the incline at 0.20m/s2 .
Find the friction force impeding its motion.
Ffr: N
What is the coefficient of kinetic friction?
Mk:







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