You have a parallel circuit since it allows the electrons to travel in 2 paths, allowing the other light to stay lit.
Answer:
Energy dissipated = 13.453 Joules
Explanation:
In order to solve this problem, we first compute the gravitational potential energy the child has, and then find the kinetic energy at the lowest position.
The gravitational potential energy (relative to lowest position) is found as follows:
G.P.E = mass * gravity * height
Where, Height = 2 - 2 * Cos(34°)
Height = 0.3193 meters
G.P.E = 30 * 9.8 * 0.3193
G.P.E = 93.874 J
Kinetic energy:
K.E = 0.5 * mass * velocity^2
K.E = 0.5 * 30 * 2.31547^2
K.E = 80.421 J
Energy dissipated = G.P.E - K.E
Energy dissipated = 93.874 - 80.421
<u>Energy dissipated = 13.453 J</u>
Answer:
Solids: Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Explanation:
Answer:
a) 6.25 m/s
b) f = 832 N
Explanation:
given data:
mass of child = 36 kg
length 2.94 m
tension = 416 N
For part (A), we need to add the forces in normal direction F(n),
where T is tension
m is mass, g = 9.81 m/s^2, and
a is acceleration is given as.
where v is speed
r is the radius.
v = 6.25m/s
Part B)
F = 2*(416)
F = 832 N