Information I learned from history class Education in the 1950's expanded from previous decades. They no longer focused purely on reading, writing and arithmetic. History and science became a main part of the cirriculum. Also, enrollment skyrocketed as the baby-boomers began enrolling in elementary school. One interesting thing that categorized this generation was the presence of fallout tests. Schools would require the students to go through a fake atomic bomb attack in which they would hide under their desks (which was completely pointless in protecting them from radiation, it was more of an emotional security for the parents and teachers, but scared the hell out of the students). Socially, children were taught to conform and to be normal. Standing out or questioning authority was bad. Sex was taught, though minimally. They explained the penis and vagina. Sexually transmitted diseases were focused on greatly so as to "scare" the students out of premarital sex.
Answer:
Assuming that air resistance is negligible.
a. Approximately 
.
b. Approximately 
.
Explanation:
Let 
denote the mass of this diver.
If the initial speed of the diver is 
, the initial kinetic energy (
) of this diver would be 
.
If the height of this diver is 
, the gravitational potential energy (
) of this diver would be 
.
The initial mechanical energy of this diver (sum of and ) would thus be: 
.
If air resistance on the diver is negligible, the mechanical energy of this diver would stay the same until right before the diver impacts the water. The entirety of the initial mechanical energy, , would be converted to kinetic energy by the time of impact.
Rearrange the equation 
to find an expression for the speed of the diver:
.
Thus, if the kinetic energy of the diver is , the speed of the diver would be:
.
Notice how , the mass of the diver was eliminated from the expression.
If the diver started with no initial speed (
) at a height of 
, the speed of the diver right before impact with water would:
.
If the diver started with an initial velocity of 
upwards (initial speed 
) from a height of , the speed of the diver right before impact with water would be:
.
Answer:
0.9378
Explanation:
Weight (W) of the rider = 100 kg;
since 1 kg = 9.8067 N
100 kg will be = 980.67 N
W = 980.67 N
At the slope of 12%, the angle θ is calculated as:
The drag force D = Wsinθ
where;
A = 0.9 m²
V = 15 m/s
∴
Drag coefficient 
Microwave<span> ovens are so quick and efficient because they channel </span>heat<span> energy directly to the molecules (tiny particles) inside </span>food<span>. </span>Microwaves heat food<span> like the sun heats your face—by radiation. A </span>microwave<span> is much like the electromagnetic waves that zap through the air from TV and radio transmitters</span>
Answer:
a ) Its resistance
Explanation:
It depends on current and resistance
