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tangare [24]
4 years ago
7

10 POINTS ANSWER FAST!

Physics
2 answers:
Andreyy894 years ago
7 0

Answer:

indeed relative

Explanation:

olga2289 [7]4 years ago
5 0

If you look closely at the question it's pretty easy but since I know what your here for the answer is indeed relative

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A 55 kg pole vaulter falls from rest from a height of 5.4 m onto a foam rubber pad. The pole vaulter comes to rest 0.24 s after
AnnZ [28]

Answer:

a) 10.3 m/s

b) 566 N

Explanation:

v {}^{2}  =  {u}^{2}  + 2as \\ v {}^{2}  = 0 {}^{2}  + 2(9.81)(5.4) \\ v = 10.3 \: ms {}^{ - 1}

force \:  =  \frac{d(mv)}{dt} \\  = 55(10.293) \\  = 566 \: newtons

4 0
3 years ago
¿Por qué es útil comprender tu condición física?
finlep [7]

Answer:

Es útil porque al saberlo evitas sobrexponerte a problemas como <em><u>enfermedades, desgarros o daños a largo plazo de tu cuerpo.</u></em>

Explanation:

When a person decides to start exercising or some type of physical activity, it is necessary for him to know how much his body can resist that activity during a defined period of time.

If in some way or another your body does not resist physical activity, you can hurt yourself, tear a ligament or muscle or get sick.

One of the most common diseases that almost nobody notices is the increase in circulatory and heart problems.

It is best to know your physical condition, how much weight you can carry with weights, or how long you can last doing physical activities.

4 0
3 years ago
At a certain instant after jumping from the airplane A, a skydiver B is in the position shown and has reached a terminal (consta
Lubov Fominskaja [6]

Answer:

a=2330

b= 0.223secs

Explanation:

pb=2330m

t=0.223secs

6 0
3 years ago
Christine Ladd-Franklin was a mathematician and psychologist who faced many obstacles as a woman, but she persevered and made si
Veseljchak [2.6K]
The struggles were that women weren't really supposed to get an education back then, people called intelligent women witches and wouldn't teach them things. Those were the main struggles. As for her contributions to psychology, check this site out, https://en.wikipedia.org/wiki/Christine_Ladd-Franklin
7 0
3 years ago
A wire of length L is wound into a square coil with 167 turns and used in a generator that operates at 60.0 Hz and 120 V rms val
Mrac [35]

Answer:

171.43m

Explanation:

First, define emf( electromotive force )-is the unit electric charge imparted by an energy source. In this case the generator.

The peak emf is:

E_p_e_a_k=\sqrt2(E_m_a_x)=\sqrt(2\times 120V)=170V

Substituting w=2\pi f and the value for peaf E gives:

Total length=4\sqrt {\frac{NE_p_e_a_k}{Bw}=4\sqrt{\frac{167\times 170}{0.041T\times 2pi \times 60.0Hz}

=171.43m

Hence, wire's length is 171.43m

8 0
3 years ago
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