. (a) A parcel is dropped from drone travelling at the horizontal speed as shown in Figure Q4a Assume air resistance is negligible. The time take for the parcel to reach Q is 0.81s after its dropped. parcel 5.4ms-1 P Figure 4a path of parcel horizontal ground

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4. (a)
A parcel is dropped from drone travelling at the horizontal speed as shown in Figure Q4a
Assume air resistance is negligible. The time take for the parcel to reach Q is 0.81s after its
dropped.
(i)
(ii)
(iii)
parcel
5.4ms-1
h
P
d
Find the height, h and range, d.
X
Figure 4a
path of parcel
horizontal
ground
For point X, draw an arrow to show the acceleration of the parcel. What is the horizontal
velocity at point X, explain your answer?
In order to achieve a range that is three times larger (3d) than the first path, what is the
initial horizontal projection velocity required for the path. Explain your answer.
Transcribed Image Text:4. (a) A parcel is dropped from drone travelling at the horizontal speed as shown in Figure Q4a Assume air resistance is negligible. The time take for the parcel to reach Q is 0.81s after its dropped. (i) (ii) (iii) parcel 5.4ms-1 h P d Find the height, h and range, d. X Figure 4a path of parcel horizontal ground For point X, draw an arrow to show the acceleration of the parcel. What is the horizontal velocity at point X, explain your answer? In order to achieve a range that is three times larger (3d) than the first path, what is the initial horizontal projection velocity required for the path. Explain your answer.
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