Answer:
Bacteria
Fungi
Viruses
Parasites
The half-life of radium-226 is 1600 years. How many
grams of a 7 g sample will remain after 3200 years?
SHOWALL STEPS TO SOLVE THE PROBLEM
Answer:
1600 years half life
3200/1600 is 2 half lifes
first half life takes the sample to 1/2 it's original amount and the second takes it to 1/4 of it's original amount
so 1/4*7gm is 1.75gm
Explanation:
A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work was done?
30 points must be a legitimate answer and correct answer or I will report
A wave travels at a constant speed. How does the frequency change if the wavelength is reduced by a factor of 3?
A. The frequency increases by a factor of 9.
B. The frequency increases by a factor of 3.
C. The frequency decreases by a factor of 3.
D. The frequency does not change.
Answer:
it's C
Explanation:
have a nice day............
hii please help i’ll give brainliest if you give a correct answer please
Answer:
The answer is the They are equal and act in the oppisite directions
Explanation:
A bicyclist steadily speeds up from rest to 11.0m/s during a 5.50s time interval. Determine all unknowns and answer the following questions. What is the magnitude of the bicyclist's acceleration? How far did the bicyclist travel during this time?
Explanation:
acceleration is 2 m/s^2
v-u/t
distance travelled is 30.25 meter
(v^2-u^2)/2a
11*11/2*2
121/4
30.25 m
The acceleration of the bicyclist is 2 m/s² and the total distance covered is 30.25 meters.
We have a bicyclist.
We have to calculate the acceleration and the total distance travelled by the bicyclist.
State the three equations of motion.The three equations of motion are -
v = u + at
S = ut + [tex]\frac{1}{2}[/tex] a[tex]t^{2}[/tex]
v² - u² = 2aS
According to the question -
u = 0 m/s
v = 11 m/s
t = 5.5 s
Therefore -
For acceleration -
v = u + at
On solving -
11 = 0 + 5.5 a
5.5a = 11
a = 11 / 5.5 = 2 m/s²
For total distance covered -
S = ut + [tex]\frac{1}{2}[/tex] a[tex]t^{2}[/tex]
On solving -
S = 0 + 0.5 x 2 x 5.5 x 5.5 = 30.25 meters.
Hence, the acceleration of the bicyclist is 2 m/s² and the total distance covered is 30.25 meters.
To solve more questions on Kinematics, visit the link below-
https://brainly.com/question/15415913
#SPJ2
Which of the following is an example of chemical change?
A. Filling up a balloon with hot air.
B. Taking a glass of water and freezing it by placing it in the freezer.
C. A plant collecting sunlight and turning it into food.
D. Your dog ripping up your homework.
Answer:
c
Explanation:
all the others r physical
Please help me. I'll mark brainiest
An object initially traveling at 20.0 m/s south decelerates uniformly at 6.00 m/s2 and is displaced 25.0 m. What is the final velocity of the object? (magnitude and direction)
Answer:
50.37 m/s and 40ms object
Calculate the running costs of a filament lamp with a 60 W bulb and a CFL lamp with a 15 W bulb for 15 hours.
1 kWh costs 10p.
cost = power (kW) × time (hours) × price (per kWh)
Answer:
the cost of running the bulbs is 11.25p
Explanation:
Given;
cost of running 1 kwh = 10 p
power of filament bulb, P = 60 W
power of the CFL bulb, P = 15 W
time of power consumption, t = 15 hours
Total Energy consumed;
E = (60W + 15W) x 15 hours
E = (75)(15)
E = 1125 Wh
E = 1.125 kWh
Cost of 1.125 kWh = 1.125 x 10p
= 11.25p
Therefore, the cost of running the bulbs is 11.25p
hii please help i’ll give brainliest if you give a correct answer please please hurry it’s timed
Answer:
Sorry I'm wrong The person above is correct.
I tried.
Answer:
The net force on the brick is 0N and the brick remains at rest.
Explanation:
Net force = 5N - 5N
= 0N
Beyonce weighs 500 N and is sitting at one end of a see-saw which is 4 m long and balanced in the middle. Jordan is 2000 N. Where should she sit in order to balance the see-saw?
Answer:
11 moments docx has the answer
Explanation:
U must pay money to get through it
Which is a testable hypothesis involving an independent and dependent
variable?
O A. The atmosphere contains different gases.
O B. The properties of solids differ from the properties of gases.
O C. Gold is a solid a room temperature.
OD. If gold reaches a high enough temperature, it will become
liquid.
HELP NEEDED
Answer:
i think od maybe
Explanai tion:
describe nucleus (animal) in your own words(20 points)
Answer:
The nucleus is a highly specialized organelle that serves as the information and administrative center of the cell. ... Most of the nuclear material consists of chromatin, the unstructured form of the cell's dna that will organize to form chromosomes during mitosis or cell division.
Explanation:
please help me on this, really fast
fill in the blanks (about force)
depends on _____ and _____
. Work done by a force depends upon force applied and displacement produced.
A stone is thrown upwards from the edge of a cliff with a speed of 5.0 ms. It hits the
ground 2.0 s later. What is the height of the cliff?
If you can provide some explanation I will greatly appreciate it.
Answer:
3.0 would be it
Explanation:
Because if you think bout it the 5.0 negative 2.0 is 3.0
Directions: Complete the concept map using the terms listed below.
pushes and pulls
Newton's Laws
inertia
acceleration
unbalanced
mass
pairs
gravity
1.
and
forces
such as
when they are
7.
2.
they
generate
which is a
force of
attraction
motion
can be measure by
between two
objects with
3.
4.
8.
describes
which is a
measure
of
relates force,
mass and
describes
forces in
5.
6.
Answer:
this is confusing
Explanation:
Which of the following was NOT a department in Washington's first cabinet?
A. Secretary of State
B. Secretary of Homeland Security
C. Secretary of War
D. Secretary of Treasury
Answer:
I believe its C: Secretary of War. I hope this helped :)
Explanation:
Secretary of Homeland Security was not a department in Washington's first cabinet. So, the correct option is B.
What is Washington's cabinet?George Washington created the nation's first cabinet, made up of the president's most trusted advisers, where advisers advise the president on laws, taxes, foreign affairs, defense, and other important issues on how to govern the United States.
George Washington's first cabinet was consists of attorney and postmaster generals and secretaries of state, treasury, and war. This cabinets included four original members which are as follows: Secretary of State Thomas Jefferson, Secretary of Treasury Alexander Hamilton, Secretary of War Henry Knox, and Attorney General Edmund Randolph.
Therefore, the correct option is B.
Learn more about Washington's cabinet, here:
https://brainly.com/question/9316770
#SPJ6
2) If you have a saran wrap that has a neutral charge how many excess electrons does it have?
Zero, neutral means no extra electrons.
Define potential energy (PE)
Which tissue lines the upper respiratory tract, secretes, and movement of mucus by ciliary
action.
Answer:
The respiratory system is lined with a mucous membrane that secretes mucus. The mucus traps smaller particles like pollen or smoke. Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose.
Explanation:
The electric force between two charged balloons is 0.12 newtons. If the distance between the two balloons is halved, what will be the new force?
A.
0.03 newtons
B.
0.06 newtons
C.
0.36 newtons
D.
0.48 newtons
Answer:
d. 0.48
Explanation:
Which of the following describes a planet?Burning ball of gases that emits its own light
Large body of rock that revolves around the sun
Large, round body that revolves around a star
Round object that revolves around a moon
Answer:
Think the last one
Explanation:
Can any one here form light from lemon?
Answer:
I did not get it
Explanation:
what u r saying
A train moves at 300 km/h. How far will it go in 5 hours?
Answer:
1,500 km
Explanation:
300 km/h
300 kilometers PER HOUR
So you want to see how far it will go in 5 hours, all you need to do is multiply the kilometers by 5. Since we know that per hour it's 300 km.
300 * 5 = 1,500
The train moves at 1,500 km in 5 hours.
Hope this helped!
Have a supercalifragilisticexpialidocious day!
I need help immediately and thank you of if you answer the question
Answer:
c. Position C
Explanation:
As the magnetic force is the strongest at the end of the poles and it decreases when it comes to its centre.
Why don't you notice your gravitational force on other objects?
A. too much interference
B. distance is too big
C. not enough mass
D. you don't exert a gravitational force
Answer:
C. not enough mass
Explanation:
Trust me bro
6 A textbook sitting on a table weighs 3.6 N. If you push straight down on the book with a force of
84 N. what is the force acting on the book?
CO + 7H2 - C3Hg + 3H20
Answer:
Espanol 7h2 that's c coupon
Diego buys a shirt that has a regular price of $15. It is on sale for 10% off. How much money does Diego save?
Answer:
$1.5
Explanation: