Answer:
26 m/s
69 m
Explanation:
Given:
v₀ = 20 m/s
a = 2 m/s²
t = 3 s
Find: v and Δx
v = at + v₀
v = (2 m/s²) (3 s) + 20 m/s
v = 26 m/s
Δx = v₀ t + ½ at²
Δx = (20 m/s) (3 s) + ½ (2 m/s²) (3 s)²
Δx = 69 m
Answer:
their weight difference
Explanation:
weight adds to kinetic energy. a heavier object will have a higher kinetic energy because the extra weight will slowly increase or decrease the velocity depending on if it's being sent down a decline or inclined plane
Answer:
<em>v=u + at</em>
<em>0= 22 + a*2</em>
<em>a = -22/2 = -11 m/s^2</em>
<em>The car's acceleration is -11 m/s^2</em>
<em>V^2 = u^2 + 2as</em>
<em>022^2 + 2*(-11)</em><em>s</em>
<em>s = 22^2/22 = 22m</em>
<em> </em><em>The car will travel 22 m before stopping.</em>
Explanation:
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Answer:
200cm
Explanation:
Answer:
100cm
Explanation:
Using
F= ( N/2L)(√T/u)
F1 will now be (0.5*2)( √600/0.015)
=> L( wavelength)= 200/2cm = 100cm
It is false. Displacement is distance is a specified direction.