All categories

3 years ago

Please select the word from the list that best fits the definition

Physics

1 answer:

My name is Ann [436]3 years ago

7 0

Answer:

glycolysis is the answer to the question

You might be interested in

A force of 1.50 N acts on a 0.20kg trolley so as to accelerate it along an air track

Veseljchak [2.6K]

Answer:

2.12m/s

Explanation:

Given parameters:

Force on trolley = 1.5N

Mass of trolley = 0.2kg

Unknown:

Velocity of the trolley = ?

Solution:

To solve this problem, we first find the acceleration of the trolley;

Force = mass x acceleration

Acceleration = $\frac{Force }{mass}$

Insert the parameters and solve;

Acceleration = $\frac{1.5}{0.2}$ = 7.5m/s²

Now to find the acceleration;

Initial velocity = 0m/s

v² = u² + 2aS

v is the final velocity

u is the initial velocity

a is the acceleration

S is the distance

Distance = 30cm and this is 0.3m

v² = 0² + 2(7.5)0.3 = 4.5

v = √4.5 = 2.12m/s

8 0

3 years ago

An electron moving with a velocity v= 5.0 × 107 m/s i enters a region of space where perpendicular electric and a magnetic field

liq [111]

Answer:

The magnetic field that will allow the electron to go through the region without being deflected is $2\times 10^{-4}\ T$ .

Explanation:

Given that,

Velocity of the electron, $v=5\times 10^7\ m/s$

Electric field, $E=10^4\ V/m\ j$

We need to find the magnetic field that will allow the electron to go through the region without being deflected. It can be calculated as :

$qE=qvB\ \sin\theta$

Here, $\sin\theta=90^{\circ}$

$E=vB\\\\B=\dfrac{E}{v}\\\\B=\dfrac{10^4}{5\times 10^7}\\\\B=2\times 10^{-4}\ T$

So, the magnetic field that will allow the electron to go through the region without being deflected is $2\times 10^{-4}\ T$ .

6 0

3 years ago

You are given two solid materials one that is organic and one that is not organic. Describe three tests you could perform to hel

nikdorinn [45]

1- which one expires faster.
2- wbich one has more health benefits.
3- and which one tastes better which is the organic.

8 0

3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!

Tasya [4]

Answer:

98 N

Explanation:

The weight of an object is given by:

$W=mg$

where

m is the mass of the object

$g=9.8 m/s^2$ is the acceleration due to gravity

In this problem, the mass of the lemur is m=10 kg, so its weight is

$W=mg=(10 kg)(9.8 m/s^2)=98 N$

3 0

3 years ago

Two people are talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1 × 10-7 W/m2. Another

Tanya [424]

Answer: $I_2=0.618\times 10^{-7} W/m^2$

Explanation:

Given

Distance between source and receiver $d_1=3 m$

Sound Intensity $I_1=1.1\times 10^{-7} W/m^2$

Distance of of second observer $d_2=4 m$

Intensity varies as

$I\propto \frac{1}{d^2}$

using this

$I=\frac{k}{d^2}$

$\frac{I_1}{I_2}=\frac{d_2^2}{d_1^2}$

$\frac{1.1\times 10^{-7}}{I_2}=\frac{4^2}{3^2}$

$I_2=0.75^2\times 1.1\times 10^{-7}$

$I_2=0.618\times 10^{-7} W/m^2$

6 0

3 years ago