Grrr i don't have much time, help please T^T
2 answers:
Answer:
2. ( b ) zero
3. ( c ) 10 s
4. Uniform then decreasing
Explanation:
2.
Since the motion is uniform, initial and final velocity will be 0, hence acceleration will be zero.
3.
Initial velocity ( u ) = 5 m/s
Final velocity ( v ) = 35 m/s
Acceleration ( a ) 3 m/s^2
To find : Time ( t )
Formula : -
t = v - u / a
= 35 - 5 / 3
= 30 / 3
t = 10 s
Answer:
See below ~
Explanation:
<u>Q2</u>
The uniform circular motion in the movement of object in a circular path with fixed and perpendicular on the direction of the motion acceleration.
<u>Q3</u>
- Substitute the values in : <u>v = u + at</u>
- 35 = 5 + 3t
- 3t = 30
- t = 10s (c)
<u>Q4</u>
The vertical component for a projectile by acute angle on the horizontal axis changes from decreasing then increasing velocity.
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