This question involves the concepts of the law of conservation of momentum and speed.
She moves with a speed of "0.41 m/s".
Applying the law of conservation of momentum to this situation, we get:
where,
m₁ = mass of shirley = 65 kg
m₂ = mass of tank = 12 kg
u₁ = initial speed of shirley = 0 m/s
u₂ = initial speed of tank = 0 m/s
v₁ = final speed of shirley = ?
v₂ = final speed of tank = 2.2 m/s
Therefore,
negative sign shows the opposite direction.
Learn more about the law of conservation of momentum here:
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Answer:
The diameter of the camera aperture must be greater than or equal to 1.49m
Explanation:
Let the distance separating two objects, x = 6.0 cm = 0.06 m
The distance between the observer and the two objects, d = 160 km = 160000 m
Let ∅ = minimum angular separation between the two objects that the satellite can resolve
tan( ∅) = x/d
Since there is minimum angular separation, tan( ∅) ≈∅
∅ = x/d
∅ = 0.06/160000
∅ = 3.75 * 10⁻⁷rad
For the satellite to be able to resolve the objects,
D ≥ 1.22λ/∅
λ = 560 nm = 560 * 10⁻⁹
D ≥ 1.22 * (560 * 10⁻⁹)/(3.75 * 10⁻⁷)
D ≥ 149.33 * 10⁻² m
D ≥ 1.49 m
Answer:
1200.0 MilliAmps
Explanation is because you multiply it by 10
Answer:
the unit vector points from the point charge toward where the field is measured(from proton to point P)
Explanation:
A projectile has a vertical acceleration of -9.8 m/s² in all its points, and at the highest point in the trajectory his velocity is zero in the vertical direction.
The correct option is C.
