A linebacker runs at 3 m/s and collides with a running back running towards him at 3.2
m/s. If the running back bounces back and the linebacker stops what could be
assumed about the momentum of the running back?
A The momentum would be less than the sum of the two players before they collide
B The momentum would be twice as much as before the collision
C. The momentum would be eliminated.
D The momentum would equal the sum of the two players before they collide
Answer:b
Explanation:
im in fifth grade so i guessd. gl tho heh.
The answer will be an option C. The momentum would be eliminated for the running back.
What is elastic collision?The collision in which the object bounces off after the collision is called the elastic collision. The one condition is given in the question that after the collision the running back bounces back and the linebacker stops
A linebacker runs at 3 m/s and collides with a running back running toward him at 3.2m/s. If the running back bounces back and the linebacker stops it means that the collision is elastic. And all the momentum is transferred to the other person.
Therefore the answer will be an option C. The momentum would be eliminated for the running back.
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Number of protons are equal to the number of electrons
Explanation:
the no of proton of an element is found in the inner part of the orbital of an element along with the neutron ,also knowing that this two add up to give mass no an element
where neutron+proton=mass no=nucleon no,where proton= electron, unless it carries charges call ion
16. A Jet airliner is crossing the United States from New York to San Francisco going at a velocity
of 870 km/hr. West. What is its relative velocity if it is traveling through the Jet Stream's velocity of 300
km/hr. East?
A. 1170 km/hr.
B. 570 km/hr.
C. 870 km/hr
D. 300 km/hr.
Answer:C
Explanation:
What determines an object’s mass?
A. Amount of matter
B. Amount friction
C. Amount of force
D. Amount gravity
Answer: D
Explanation:
A toy car with a resistance of 20.0 ohms is connected to a 6.0 volt battery.
How much current flows through the car?
Answer:
0.3 A
Explanation:
The current of the car can be found using the formula:
Current = [tex]\frac{Voltage }{Resistance}[/tex]
= [tex]\frac{6}{20}[/tex]
= 0.3 amps
Which of these shows the correct hierarchical sequence?
organs ► cells ► tissues ► organ systems
cells ► tissues ► organs ► organ systems
organ systems ► tissues ► cells ► organs
tissues ► cells ► organs ► organ systems
Answer:
its b
Explanation:
Option b shows the correct hierarchical sequence of the cellular organization. Starting from cell ► tissues ► organs ► organ systems.
What is cellular organization?Cellular organization in a living system is the organization level from the primary unit of life that is cell to the organ system in a the body. Cells are the basic unit of cellular organization.
Cells contains the nucleus in which the genetic material DNAs are located. Cells joints together to form tissues and tissues of similar functions joints together to form organs.
A group of organs connects together to form organs systems to perform specific functions. Different organ system build the whole body. Therefore, the correct sequence is option B.
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5. Find mass if a 20N force accelerates an object at 2.5
m/s/s
Hey,
QUESTION )Following the second Newton's Law :
✔ We apply : F = m x a ⇔ m = F/a with F in N, m in kg and a in m/s²
m = 20/2,5 m = 8 kgthe object therefore has a mass of 8 kg
A drag racer accelerated from rest to 195 m/s in 6.5 s. What was the acceleration?
An atom is electrically neutral.
True or False
Answer:
true
Reason for answer
it can't be false
which one of these is an exanple of precepation?
Clouds
Snow
Air
Vapor
Answer:
Snow
Explanation:
Precipitation is the formation of a solid after being a liquid. Snow, which is a solid, forms from water, a liquid.
Write the formula for a partially inelastic collision and explain what all 6 variables are and the unit each is measured in. State Newton’s 3 rd Law of Motion. State the Law of Conservation of Momentum and explain it in your own way.
Answer:
i don`t get it
Explanation:
Help ASAP!! Three factors that affect the solubility of a substance are pressure, the type of solvent, and __________
Answer:
Volume
Explanation:
Which list places the layers of the sun in the correct order from outermost to innermost?
A. Corona, chromosphere, photosphere
B. Photosphere, radiative zone, convective zone
C. Convective, chromosphere, corona
D. Radiative zone, corona, convective zone
Please help me. Thank you so much!!!
Answer:
The Sun's layers consist of the following in this order.
1) Corona
2) Transition Region
3) Chromosphere
4) Photosphere
5) Convection Zone
6) Radiative Zone
and last but not least 7) The Core
Hope this helps ;)
can anyone plz answer this now and give me a right answer?
Answer:
90 degree hope it help :))
Answer:
I think 87 degree
Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 5.00 times the mass of B, and the energy stored in the spring was 46 J. Assume that the spring has negligible mass and that all its stored energy is transferred to the particles. Once that transfer is complete, what are the kinetic energies of each particle?
Answer:
Particle A: K.E = 38.3 J
Particle B: K.E = 7.67 J
Explanation:
Given that Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 5.00 times the mass of B, and the energy stored in the spring was 46 J. Assume that the spring has negligible mass and that all its stored energy is transferred to the particles. Once that transfer is complete, what are the kinetic energies of each particle?
The total kinetic energy of Particle A and particle B should be equal to 46 J
Since the mass of A is 5.00 times the mass of B, then, the K.E energy of each particle can be calculated by using ratio.
5 + 1 = 6
K.E for particle A
5 /6 × 46 = 230 / 6 = 38.3 J
K.E for particle B
1/6 × 46 = 46 / 6 = 7.67 J
HELP PLS WILL MARK BRAINLEST
A bobsled is moving at its greatest speed around the final turn.
O Potential
O Kinetic
Answer: Kinetic Energy
Explanation:
Paula ran a total of 72meters directly toward school at a constant velocity. She ran one-third of that distance in 8seconds. What was her velocity?
Answer:
3 meters per second
Explanation:
72 divided by 3= 24 meters in 8 seconds
24/8= 3, so 3 meters per second
What role is the president carrying out when he gives the state of the union address?
Answer:
The address fulfills the requirement in Article II, Section 3, Clause 1 of the U.S. Constitution for the President to periodically "give to the Congress Information of the State of the Union, and recommend to their Consideration such measures as he shall judge necessary and expedient."
Explanation:
Answer:
I think it's A. Commander in Chief
Explanation:
An increase of 180 degrees in Fahrenheit is equal to an increase of how many degrees in celsius?
Answer:
it is 100 degree which is boiling point in water
How to find the volume of a cylinder? This question is specifically for physics.
Two charged objects have a repulsive force of 0.040 N. If the distance separating the objects is doubled, then what is the new force?
Answer:
Force will be 1/4 of the original
Explanation:
F = G m1 m2 / d^2 now change the distance to 2d
F = Gm1m2 / (2d)^2
F = 1/4 G m1 m2 / d^2 the force is reduced to 1/4 of the original
what is force ? explain in simple language!!
Answer:
This is your answer . If I'm right so,
Please mark me as brainliest. thanks!!!
Please help this is about ecology. Who ever answers it first correctly I will give brainliest
what is the demand for resources, such as food, water, and shelter.
Velocity can be described as the same thing as speed but with _________________ included
Answer:
Direction
Explanation: Hope this helps!
Answer:
nvm its direction :))
Explanation:
Speed and velocity both represent a way to measure the change in position of an object relative to time. In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be the same). Speed and velocity are measured in the same units: meters per second or m/s.
Velocity is a measure of both speed and direction of motion. Velocity is a vector, which is a measurement that includes both size and direction. Velocity can be represented by an arrow, with the length of the arrow representing speed and the way the arrow points representing direction.
A car traveling at 35m/s appliance its brakes 10 seconds later it has a velocity of 5m/s what is the acceleration of the car
Answer:
a = -3 m/s^2
Explanation:
Vi = 35 m/s
Vf = 5 m/s
t = 10 s
Plug those values into the following equation:
Vf = Vi + at
5 = 35 + 10a
---> a = -3 m/s^2
4. What property of metals make them good conductors of heat?
Answer:
Their mobile electrons
Explanation:
A 0.78-kg blob of clay strikes a wall at speed 23 m/s. The clay comes to a stop in 0.26 s. What is the average force that the wall exerts on
the clay?
A-69 N
B- 49 N
C- 36 N
D- 55 N
Answer:
A
Explanation:
which statement about electromagnetic waves is true?
A: They move slowly.
B: They carry matter from one place to another.
C: They need a medium to travel through.
D: They can travel through a vacuum
**Physical Science
Answer:
B
Good luck! Have a great day!
PLEASE I NEED HELP!
What is the mass of a sample of glass ( specific heat - 0.50J/kg*"C), if it requires 490 J of heat to raise the temperature from 18.0°C to 0.0°C?
Answer:
Q=mc∆tita.
490J= m× 0.5J/Kg/C × (18-0°C)
490J= m × 9J/kg
490J
9J/Kg = m.
m= 54.4Kg