CAN SOMEONE HELP ME PLEASE

Answers

Answer 1

Answer: I think the answered is 50

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Football player A has a mass of 210 pounds and is running at a rate of 5.0 mi/hr. He collides with player B. Player B has a mass of 190 pounds and is running in the same direction at 3.0 mi/hr. Which of the following statements is true?-The momentum of player A is equal to that of player B. -The momentum of player A is greater than that of player B. -The momentum of player A is less than that of player B.
When more than one force is acting on an object, the ____ determines the motion of the object.
How does a generator work?
What is the process by which water dissolves certain minerals in the soil and carries them away?
The ball was kicked in the air and it iss about to hit the . if horizonta componenet of its final velocity is 10m/s and vertical component of its final velocity is -10m/s .what is the magnotide of th final vellocity of the ball?

The four terrestrial planets that have solid, rocky surfaces areA. Mars, Venus, Earth, and Jupiter.
B. Mercury, Venus, Jupiter, and Mars.
C. Mercury, Jupiter, Saturn, and Mars.
D. Mercury, Venus, Earth, and Mars.

Answers

Mercury,Venus,Earth and Mars

Answer:

Mercury,Venus,Earth and Mars

Explanation:

include at least 3 reasons why having electricity is so great and at least 3 reasons why living without electricity would be so difficult

Answers

REASONS WHY ELECTRICITY IS GREAT AND BAD
THREE REASONS WHY IT WOULD BE DIFFICULT TO HAVE NO ELECTRICITY
1) it would be hard to get around
2) would not be able to do homework because no power to light up computers.ipads etc
3) without light we can't read and get an education
THREE REASONS WHY ELECTRICITY IS GREAT
1) we have devices that get lighted up by electricity like computers,ipods,etc
2) we could get around pretty easy with light
3) we could get an education cause we can see and use devices like computers to help us
HOPE THIS HELPED !!

Which of the following is a result of reduced levels of red blood cells and elevated levels of white blood cells in the body?

Answers

There are no following but less red blood cells would make you tired because you can carry as much oxygen and more white blood cells could cause infection if the start attacking you. It could also give you bone marrow cancer if there are too many white blood cells.

An object has a mass of 48g and a volume of 6cm cubed (like a little 3 above the m) Calculate the density of this object

Answers

   Density = (mass) / (volume)

    = (48 g) / (6 cm³)

      = (48 / 6) (g / cm³)

=    8 g/cm³

i hope this helps The density (d) of a material is its mass (m) divided by its volume (V). ... Calculatethe density of an object that has a mass of 25.0g and the volume is 10.5ml. ... 3.Calculate the mass for the following object. If you know that the object

2a. Abecomes
jeep starts from it the
starts from it the state of rest. If its
velocity 60m/s and its take 5 minute: what is the accelera
ution of the jeep
the distanced travelled by
the jeep:

Answers

$\bf \underline{ \underline{Given : }}$

Initial velocity,u = 0 m/s

Final velocity,v = 60 m/s

Time taken,t = 5 min = 5 × 60 sec = 300 seconds

$\bf \underline{ \underline{</p><p>To \: be \: calculated : }}$

Calculate the acceleration ( a ) and distance (s ) covered by the jeep.

$\bf \underline{ \underline{Solution : }}$

We will first calculate the acceleration of the jeep.

CASE 1 :

By Using first equation of motion ,

$\sf \: v = u + at$

$\sf \star \: Substituting \: the \: values...$

$\sf\rightarrow \: 60 = 0 + a * 300$

$\sf \rightarrow \: 60 = 300a$

$\sf \rightarrow \: 300a = 60$

$\sf \rightarrow \: a = \cancel (300)/(6)$

$\sf \rightarrow \: a = 50 \: m {s}^( - 2)$

Thus,the acceleration of the jeep is 50 m/s².

Now, Let us calculate the distance travelled by the jeep.

CASE 2 :

By Using third equation of motion ,

$\sf {v}^(2) = {u}^(2) + 2as$

$\sf \star \: Substituting \: the \: values...$

$\sf \rightarrow \: {60}^(2) = {0}^(2) + 2 * 50 * s$

$\sf \rightarrow \: 3600 = 100s$

$\sf \rightarrow \: 100s = 3600$

$\sf \rightarrow \: s = \cancel(3600)/(100)$

$\sf \rightarrow \: s = 36 \: m$

Thus,the distance covered by the jeep is 36 m .

Two waves are superposed. One wave has an amplitude of 3 cm, and the other has an amplitude of 4 cm. What is the resultant amplitude?

Answers

Superposition is a principle in physics. Applied to waves, it states that the amplitude of two superposed waves is the sum of the amplitudes of the two individual waves. Then the resultant amplitude of these two waves is 4 cm + 3 cm = 7 cm.

Answer:

7 cm

Explanation:

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In the series circuit below the power source is a 9-volt battery and three resistors are R1 = 7 ohm, R2 = 9 ohm and R3 = 2 ohm. What is the total resistance in the series circuit? R1 7 ohm + R2 9 ohm + R3 2 ohm = 18 Is this correct?