- A small object is projected from point O with an initial speed 101m/s, It then lands on a ill slope at A, as shown in Figure 1. u = 10x m/s 40° 20 d 800 m Figure 1 Determine the horizontal distance d.

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Chapter1: Units, Trigonometry. And Vectors
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Q1.
A small object is projected from point O with an initial speed 101m/s,
It then lands on a
downhill slope at A, as shown in Figure 1.
u = 10x m/s
40 °
2 20°
d
800 m
A
Figure 1
(a)
Determine the horizontal distance d.
(b)
Determine the impact velocity at A, in unit-vector notation.
(c)
State an assumption made in your calculations in parts (a) and (b).
Transcribed Image Text:Q1. A small object is projected from point O with an initial speed 101m/s, It then lands on a downhill slope at A, as shown in Figure 1. u = 10x m/s 40 ° 2 20° d 800 m A Figure 1 (a) Determine the horizontal distance d. (b) Determine the impact velocity at A, in unit-vector notation. (c) State an assumption made in your calculations in parts (a) and (b).
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