Explanation:
Acceleration is defined as the rate of change of velocity with time. In most acceleration problems:
the given parameters will be;
Initial velocity
final velocity
time.
Using the equation below:
Acceleration = 
one can solve for acceleration. The unit is usually in m/s²
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The given are:A
djacent/Hypotenuse = sin 35°
Height(h) - Adjacent
Hypotenuse- a length of a side:
We will use the formula:
sin (angle) = op/hyp
sin 35° = h/ 4.1 m
0.57356 = h / 4.1 m
h = 0.576576 ·
4.1 = 2.35166 ≈ 2.4 m
Answer: the top of the slide is 2.4 m above the ground which is letter d.
<span>The amplitude because that controls the height of the wave. Correct answer: Amplitude.</span>
Answer:
B) Periodic Motion
Explanation:
When a pendulum is friction-less, i.e there are no damping forces acting on it, its motion will be periodic, i.e it will bob up and down going from potential energy to kinetic energy and back. Thus, the motion of the pendulum can be best described by the term "period motion", hence choice B.
If however, forces do act on the pendulum, and if they acts as to damp the pendulum, it will oscillate less and less as time goes by, and eventually come to a stop (in the real world this damping force is usually air resistance ). And if the force acts in such a way that it increases the oscillations, the pendulum will swing higher and higher, and the system will go haywire! :)
Answer:
a) centripetal force = m v^2 / R = 329 * (29.6 m/s)^2 / 183
F = 1580 Newtons
b) normal force = gravitational force - F = 329 * 9.8 - 1580 = 1640 N
