Answer:
time = 8.3333 minutes.
Explanation:
distance between earth and sun = 1.5 *
speed of light = 3*
convert the distance unit from km to m so we can have uniform units.
distance between earth and sun = 1.5 *m
distance between earth and sun = 1.5 * m
speed = distance /time
time = distance / speed
time =
time =500 sec
time = 500/60 minutes
time = 8.3333 minutes.
Explanation:
Period of a mass on a spring is:
T = 2π√(m/k)
T is inversely proportional with the square root of k. So as the spring constant increases, the period decreases.
With arms outstretched,
Moment of inertia is I = 5.0 kg-m².
Rotational speed is ω = (3 rev/s)*(2π rad/rev) = 6π rad/s
The torque required is
T = Iω = (5.0 kg-m²)*(6π rad/s) = 30π
Assume that the same torque drives the rotational motion at a moment of inertia of 2.0 kg-m².
If u = new rotational speed (rad/s), then
T = 2u = 30π
u = 15π rad/s
= (15π rad/s)*(1 rev/2π rad)
= 7.5 rev/s
Answer: 7.5 revolutions per second.
Answer:
Hydroelectricity
Explanation:
Because of flooding of water, we can assume that the electricity was generated by Water which is known as Hydroelectricity.