Answer:
a) 250 N/m
b) 22.4 rad/s , 3.6 Hz , 0.28 sec
c) 0.3125 J
Explanation:
a)
F = force applied on the spring = 7.50 N
x = stretch of the spring from relaxed length when force "F" is applied = 3 cm = 0.03 m
k = spring constant of the spring
Since the force applied causes the spring to stretch
F = k x
7.50 = k (0.03)
k = 250 N/m
b)
m = mass of the particle attached to the spring = 0.500 kg
Angular frequency of motion is given as
= 22.4 rad/s
= frequency
Angular frequency is also given as
= 2 π
22.4 = 2 (3.14) f
= 3.6 Hz
= Time period
Time period is given as
= 0.28 sec
c)
A = amplitude of motion = 5 cm = 0.05 m
Total energy of the spring-block system is given as
U = (0.5) k A²
U = (0.5) (250) (0.05)²
U = 0.3125 J
False , because mass is the amount of matter contains
The number of neutrons is equal to the atomic mass, or mass number, minus the atomic number:
80 - 33 = 47 neutrons.
Explanation:
It depends because the higher the object is, the bigger the shadow, however, the object should be close to the line directly from the sun, for you to see the shadow visible.
I believe outside influences have more of a negative impact on self-esteem.
Our tweens and early teens are a time when we become more aware of celebrities and media images, making them want to fit in.
We might start to compare ourselves with other people or media images, like ideals.
All of this can affect how we feel about ourselves and our bodies even as we grow into our teens. Family life can sometimes influence our body image.
Some parents or coaches might be too focused on looking a certain way for a sports team. Family members might struggle with their own body image or criticize their kids' looks, like weight.
This can all influence a person's self-esteem, especially if they're sensitive to others peoples' comments.
People also can experience negative comments and hurtful teasing about the way they look from classmates and peers.
Although these often come from ignorance, sometimes they can affect body image and self-esteem.
Hoped I helped!
