To Find :
Position vector at time 
and 
.
Solution :
r (t) = 2 (t −7)i + 12t j
Putting t = 5 s and t = 8 s, we get :
r(5) = 2( -2 )i + 60j
r(5) = -4i + 60j
r(8) = 2i + 96j
Now, to find speed differentiating the r(t) w.r.t t :
Hence, this is the required solution.
Answer:
2x^2y+9y^2-7x^2
Step-by-step explanation:
Just combine like terms.
Answer:
s=5 1/4
Step-by-step explanation:
Have a wonderful day
Answer:330 degrees
Step-by-step explanation: It helps by drawing a picture, hope this helps
Answer:
C
Step-by-step explanation:
This means that there is 3 turkey sandwiches. (2+1)
There are 4 veggie sandwiches
