Vector A = displacement 30 m due east Vector B = displacement 40 m due North. Fi

Question

Vector A = displacement 30 m due east Vector B = displacement 40 m due North. Find the magnitude of A + B and direction. Find the magnitude of A - B and direction. Vector A = a force of 40 N at 45 degree above the horizontal(to the right) Vector B = a force of 60 N at 120 degree Find the magnitude of A + B and direction. Find the magnitude of A - B and direction, The prefix micro stands for A car accelerated from rest for 5 seconds until it reaches a speed of 20 m/s. What is the car's acceleration in meters per second per second? In each second of fall, the distance a freely falling object will fall is

Explanation / Answer

1) A=30 m due east

B=40m due north

A+B=sqrt(30^2+40^2)=50 m, direction=tan theta=y/x=40/30

theta=53.13 from east

Prefix micro stands for 1/1000,000

Accelaration= a=v/t=20/5=4 m/s^2

Distance is increasing as gravity play the role

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