3 years ago

Two students race up a flight of steps together. "Student A" reaches the top of the steps 2 seconds ahead of

Physics

1 answer:

oksano4ka [1.4K]3 years ago

3 0

Um student a because they were there a few seconds ahead

You might be interested in

What is the distance between two consecutive points in phase on a wave called?

balu736 [363]

The distance between two consecutive points in a wave is called the wavelength.

7 0

3 years ago

Read 2 more answers

Comparing Wave A (black) to Wave B (green), Wave A has a

Gennadij [26K]

I think it's C, longer wave length.

7 0

3 years ago

Read 2 more answers

Calculate the amount of momentum of an object with a mass of 10 kg travelling al a

irina [24]

Answer:

50kg.m/s

Explanation:

In order to find momentum you must use the formula P=mv

p= momentum

m=mass

v= velocity

so in other words, momentum= mass times velocity

or in this case, momentum= 10 times 5 :)

7 0

3 years ago

HELP PLS!<br> (LOOK AT THE PICTURE)

Arturiano [62]

The answer is b !!!! Hope it helps

4 0

2 years ago

An airplane starts from rest at the end of a runway and accelerates at a constant rate. In the first second, the airplane travel

Licemer1 [7]

Answer:

$v=4.44\frac{m}{s}$

Explanation:

Given that the airplane starts from the rest (this is initial velocity equals to zero) and accelerates at a constant rate, position can be described like this: $x=v_{0}t +\frac{1}{2} at^{2}$ where x is the position, t is the time a is the acceleration and $v_{0}$ is initial velocity. In this way acceleration can be found. $a=\frac{2(x-v_{0}t) }{t^{2} } =\frac{2(1.11m-0)}{1s^{2} } =2.22\frac{m}{s^{2} }$ .

Now we are able to found velocity at any time with the formula: $v=v_{0} +at = 0\frac{m}{s} +(2.22\frac{m}{s^{2}}.2s)=4.44\frac{m}{s}$

3 0

3 years ago