FUND.OF PHYSICS (LL)
12th Edition
ISBN: 9781119801146
Author: Halliday
Publisher: WILEY
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Determine the magnitude of V1−V2+V3.
V1=8.0i^−9.0j^
V2=i^+j^
V3=−1.0i^+4.0j^.
A boat leave the dock at t=0.00 s and, starting from rest maintains a constant acceleration of (o.464 m/s^2)I relative to the water. Due to currents, however, the water itself is moving with a velocity of (0.416m/s)i + (1.33 m/s)j. How fast is the boat moving, in m/s at t= 4.78 s? How far in meters is the boat from the dock at t= 4.78s?
A roller coaster is moving at a certain path
in the x-y plane and can be considered as
a particle with the velocity given by
6.12i+3.24j m/s at time t-3.65 sec. Its
average acceleration during the next 0.02
seconds is 4i+6j m/s?. Determine the
velocity v of the particle at t-3.67sec
Ov=-6.201-3.36j m/s
Ov-6.20i+3.36j m/s
Ov=6.20i-3.36j m/s
Ov=-3.25i-4.16j m/s
Ov-3.25i+4.16j m/s
Ov=-3.25i+4.16j m/s
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