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bearhunter [10]
3 years ago
10

Question 8

Physics
1 answer:
igomit [66]3 years ago
7 0

Answer:

hart beats in 0.8s=1

heart beat in 1s= 1/0.8

70 years=2207520000s

heart beat in 70years(2207520000s)=1.25x2207520000

=2759400000times

Explanation:

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Pls Answer Quick Will Mark 5 Stars And brain lists
ra1l [238]

Answer:

Food mixer will convert electrical energy into kinetic energy

Explanation:

Energy conservation means that energy can not be created nor destroyed it can be converted from one form into another

7 0
3 years ago
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
Which of the following electromagnetic waves is not used for communication?
lutik1710 [3]
Microwaves and radio waves are employed in radio and satellite communications while infrared waves are used in remote controls and infrared features of new phones and other electrons. However, gamma rays have far too much energy and cause damage to the body. They are not used in communication.
The answer is A.
8 0
3 years ago
Why does friction cause a spinning stop to eventually stop?
Genrish500 [490]
Mechanical Energy transforms into Thermal due to the moving parts rubbing on eachother creating heat and friction.
7 0
3 years ago
A train moves from rest to a speed of 30 m/s in 32.0 seconds. What is its acceleration?​
kramer

Answer:

0.94m/s (squared)

Explanation:

a=change in velocity/time

a=v-u/t

a=32-0=32/32

a=0.94m/s (squared)

6 0
3 years ago
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