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3 years ago

Plz help me with this I have no idea what to do

Mathematics

1 answer:

Nady [450]3 years ago

4 0

F(5)=-1 because if you go over 5 on the x- axis and down 1 on the y-axis there is a point

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In a lab experiment, a student is trying to apply the conservation of momentum. Two identical balls, each with a mass of 1.0 kg.

muminat

Answer:

Trial- 2 shows the conservation of momentum in a closed system.

Step-by-step explanation:

Given: Mass of balls are $m= 1.0\ kg$

Conservation of momentum in a closed system occurs when momentum before collision is equal to momentum after collision.

Let initial velocity of ball $A\ is\ u_1$
Initial velocity of ball $B\ is\ u_2$
Final velocity of ball $A\ is\ v_1$
Final velocity of ball $B\ is\ v_2$
Momentum before collision $= mu_1+mu_2$
Momentum after collision $=mv_1+mv_2$

Now, According to conservation of momentum.

Momentum before collision = Momentum after collision

$mu_1+mu_2=mv_1+mv_2$

We will plug each trial to this equation.

Trial 1

$mu_1+mu_2=mv_1+mv_2\\1.0(1)+1.0(-2)=1.0(-2)+1.0(-1)\\1-2=-2-1\\-1=-3$

Trial 2

$mu_1+mu_2=mv_1+mv_2\\1.0(.5)+1.0(-1.5)=1.0(-.5)+1.0(-\.5)\\.5-1.5=-.5-.5\\-1=-1$

Trial 3

$mu_1+mu_2=mv_1+mv_2\\1.0(2)+1.0(1)=1.0(1)+1.0(-2)\\2+1=1-2\\3=-1$

Trial 4

$mu_1+mu_2=mv_1+mv_2\\1.0(.5)+1.0(-1)=1.0(1.5)+1.0(-1.5)\\.5-1=1.5-1.5\\-.5=0$

We can see only Trial 2 satisfies the princple of conservation of momentum. That is momentum before collison should equal to momentum after collision.

5 0

3 years ago

PLEASE HELP I WILL MARK BRAINLIST IF YOU ANSWER CORRECTLY OR IF YOU JUST TRY BUT IF YOU ANSWER FOR THE POINTS IM REPORTING btw I

notsponge [240]

Answer:130 85/288 ok check my explaination if its reasonable

Step-by-step explanation:

ok youre figuring out the volume right? base times height. 5x25 1/12=125 5/12. 125 5/12x 25 inches=260 85/144 /2=130 85/288. you have to divide it by 2 because i figured it out as a rectangle.

4 0

3 years ago

What is the value of the expression below 476 \17

disa [49]

$476 \div 17 = 28$

4 0

4 years ago

Write an algebraic expression for the word phase.

Reika [66]

The answer is 10gh.

The product of g and h means the multiplication of g and h, so it would just be gh.

10 times the product of g and h would mean 10 multiplied by gh, so it would just be gh.

7 0

2 years ago

Dave wants to estimate how many pounds of dog food his dogs eat in one year.

Verdich [7]

Let us say the dog eats x pounds of dog food in one month.

There are 12 months in a year.

So applying unitary method:

Quantity of dog food required by dog in 12 months = 12x

Answer : The dog requires 12x pounds of dog food in a year.

3 0

4 years ago

Read 2 more answers