Answer:
400 J
Explanation:
Given:
Δy = 4.00 m
v₀ = 0 m/s
a = 5.00 m/s²
Find: v²
v² = v₀² + 2aΔy
v² = (0 m/s)² + 2 (5.00 m/s²) (4.00 m)
v² = 40.0 m²/s²
Find KE:
KE = ½ mv²
KE = ½ (20.0 kg) (40.0 m²/s²)
KE = 400 J
the car accelerates in
here's the solution : -
we know,
=》
so, acceleration = 1500 m/s^2
now,
here, a = acceleration, v = final velocity,
u = initial velocity, t = time taken.
So,
it a
What does that even mean?
AA
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