Two tubes and two other what total for this

Two differences between science activities carried out in a science laboratory and those carried out side of science laboratory.

viva [34]

In a science lab, there is the adequate availability of raw materials for experiments such as chemicals while outside a science lab there isn't.

In a science lab, the availability of apparatuses and sources of heat is higher than outside a science lab.

<h3>What is science laboratory?</h3>

The science lab is a place where the experiments related to the science background are performed with the use of apparatus.

The science lab has plenty of equipment to perform the experiment whether related to physics or chemistry or biology.

Thus, source of heat and availability of raw material and equipment are the differences between the science activities carried out in a science laboratory and those carried out side of science laboratory.

Learn more about science laboratory.

brainly.com/question/7412101

#SPJ2

8 0

2 years ago

Read 2 more answers

If |v|= 11, |w|= 23, |v-w|= 30, find |v+w|

GenaCL600 [577]

Answer:

$|v+w|=20$

Explanation:

We are given that

|v|=11

|w|=23

|v-w|=30

We have to find the value of |v+w|

|a-b|^2=(a+b)\cdot (a+b)=a^2+b^2-2|a||b|cos\theta

Using the formula

$(30)^2=(11)^2+(23)^2-2(11)(23)cos\theta$

$900=121+529-506cos\theta$

$900-121-529=-506cos\theta$

$250=-506cos\theta$

$cos\theta=-\frac{250}{506}$

$|a+b|^2=|a|^2+|b|^2+2a\cdot bcos\theta$

Using the formula

$|v+w|^2=(11)^2+(23)^2+2(11)(23)\times (-\frac{250}{506})$

$|v+w|^2=400$

$|v+w|^2=(20)^2$

$|v+w|=20$

7 0

3 years ago

Two horizontal forces are exerted on a large crate. The first force is 317 N to the right. The second force is 173 N to the left

DENIUS [597]

Answer:

A. Refer to the figure.

B. The net force acting on the crate is

$F_{net} = F_1 - F_2 = 317 - 173 = 144N$

C. We should first find the acceleration of the crate using the following kinematics equation:

$v = v_0 + at\\6.5 = 0 + 5a\\a = 1.3 m/s^2$

Mass of the crate can be found by Newton’s Second Law:

$F = Ma\\M = F/a = 144/1.3 = 110.7 kg$

7 0

4 years ago

Please help me asap thankss

san4es73 [151]

Answer:

When a polythene rod is rubbed with a duster, the friction causes electrons to gain energy. Electrons gain enough energy to leave the atom and 'rub off' onto the polythene rod. The polythene rod has gained electrons, giving it a negative charge.

Explanation:

Hope it helps

6 0

3 years ago

Someone help me pls

Alexeev081 [22]

Answer:

a = heart and brain b = lungs

Explanation:

7 0

4 years ago

Two tubes and two other what total for this​

Two tubes and two other what total for this