Answers
>
Physics
>
A Level
>
Article
Determine a vector expression for the position of a particle whose velocity is (3t^2 - 8)i + 5j m/s.
r
(t) = [integral]
v
(t) dt
= (t^3 - 8t + C)
i
+ (5t + C)
j
m
MT
Answered by
Matteo T.
•
Physics tutor
2698 Views
See similar Physics A Level tutors
Related Physics A Level answers
All answers ▸
(ii) Describe and explain how the horizontal component of the water jet varies from point X to point Y. (2 marks)
In an electric propulsion system, alpha particles are accelerated through a potential difference of 100kV at an average rate of 10^20 alpha particles per second. Calculate the average thrust the system can provide.
A child is standing on a walkway that is moving at 2 metres per second and decides to turn around and walk back to the start at 2 metres per second. Explain why the child cannot reach the start of the walkway at this speed.
Calculate the flight time of a ball moving in parabolic motion, with initial velocity 5.0m/s at angle 30 degrees from the horizontal travelling for 23 metres.