acceleration of car is 1.8 m/s^2
time = 14 s
initial speed = 14 m/s
so the final speed is calculated by
so the total distance moved in this interval of time is
now the average speed is given as
so the average speed will be 26.6 m/s
Male reproductive system
Type of sex cell = gamete or sperm
Where sex cells are produced = testes
Tubes that sex cells = The sperm move into the epididymis, where they complete their development. The sperm then move to the vas deferens (VAS DEF-uh-runz), or sperm duct. The seminal vesicles and prostate gland make a whitish fluid called seminal fluid, which mixes with sperm to form semen when a male is sexually stimulated.
Where sex cells exists the body = It exits the penis, through the urethra, during ejaculation. Testicles (testes) – oval sex glands located in a skin sack called the scrotum. Sperm and sex hormones are made by the testicles.
Structure where the primary sex = Testicles (testes)
The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Within the testes are coiled masses of tubes called seminiferous tubules.
Primary sex hormone= sperm
Where an egg= The egg cell is swept through the fallopian tube, which runs from the ovary to the uterus. The egg cell slows in the longest and widest part of the fallopian tube. This is where the egg cell is fertilized by a man's sperm cell.
Where a fertilized egg= Fertilization of an egg by a sperm normally occurs in the fallopian tubes. The fertilized egg then moves to the uterus, where it implants to the uterine lining.
Where the exchange = The placenta is the organ through which gases, nutrients, and wastes are exchanged between the maternal-fetal circulations.
Female reproductive system
Type of sex cells = the egg or ovum
Where sex = At the upper corners of the uterus, the fallopian tubes connect the uterus to the ovaries. The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. They produce, store, and release eggs into the fallopian tubes in the process called ovulation (av-yoo-LAY-shun).
Tubes that sex cells = During sex, sperm cells travel through the vagina to the uterus and fallopian tubes. In the fallopian tube, the sperm meets the egg that was released from the ovary during ovulation.
Where sex cells = The vagina serves three purposes: It's where the penis is inserted during sexual intercourse. It's the pathway (the birth canal) through which a baby leaves a woman's body during childbirth. It's the route through which menstrual blood leaves the body during periods.
Structure where the primary = Two groups of female sex hormones are produced in the ovaries, the estrogens and progesterone. These steroid hormones contribute to the development and function of the female reproductive organs and sex characteristics.
Primary sex hormone = Estrogen is the major female hormone. The lion's share comes from the ovaries, but small amounts are produced in the adrenal glands and fat cells.
Where an egg = A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
Where a fertilized egg = Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
Where the exchange = The placenta contains a complex network of blood vessels that allow the exchange of nutrients and gases between the mother and the developing fetus.
Hope it helps :)
Answer:
Vmax=11.53 m/s
Explanation:
from conservation of energy
Spring potential energy =potential energy due to elevation
0.5*k*x²= mg
=mgh
0.5*k*2.3²= 430*9.81*6
k=9568.92 N/m
For safety reason
k"=1.13 *k= 1.13*9568.92
k"=10812.88 N/m
agsin from conservation of energy
spring potential energy=change in kinetic energy
0.5*k"*x²=0.5*m*
10812.88 *2.3²=430*
=11.53 m/s
Answer:
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