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3 years ago

Do allergen-free pillows cause fewer germs to grow?

Physics

2 answers:

Mamont248 [21]3 years ago

7 0

No it doesn’t cause fewer germs to grow

Helen [10]3 years ago

4 0

No it doesn’t cause fewer germs to grow. it fits because it can be tested and experimented on, you can revive different results depending on your environment and what you did prior to laying on your pillow. There are many factors that can play a role.

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During a race there are lots of forces that are exerted on a race car. One of these forces is friction.

Pani-rosa [81]

Ok and sjsjsjjdjdkdkskkdkakjdksks

4 0

3 years ago

A machine gun fires 60 bullets per minute, with a velocity of 700 m/s .If each bullet has a mass of 50 g .Find the power develop

MAXImum [283]

Answer:

2100 kg*m/s

Explanation:

The proper term for power in this case is to use the physics term "impuls" = p.

1. Find the "power" developed by the gun to fire just 1 bullet.

2. multiply by 60 to find the power produced by the gun per minute.

p = m * v

where

m = mass of the bullet = 50 g = 0.050 kg

v = velocity of the bullet = 700 m/s

p = 0.050 * 700

p = 35 kg*m/s

So the impuls for 1 bullet is 35 kg*m/s

The gun can fire 60 bullets per minute so it's fireing power must there fore be 60 * 35 = 2100 kg*m/s

4 0

3 years ago

"Energy is never created of destroyed, it only transforms from one form to another" is the definition of… A. The Law of Diminish

Serga [27]

Answer:

B. The Law of Conservation of Energy

Explanation:

In Science, energy can be defined as the ability of an object or body to do work. There are two (2) main types of energy and these are;

I. Kinetic energy: it can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

Where, K.E represents kinetic energy measured in Joules.

M represents mass measured in kilograms.

V represents velocity measured in metres per seconds square.

II. Potential energy: it can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

Where, P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Additionally, the various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy etc.

Hence, energy is never created of destroyed, it only transforms from one form to another" is the definition of The Law of Conservation of Energy.

8 0

3 years ago

A string vibrates at a frequency of 20hz what is its period

shusha [124]

Period = 1 / frequency

20 Hz means 20 per second

1 / (20 per second) = <em>0.05 second</em>

7 0

3 years ago

Read 2 more answers

PLEASE HELP ASAP. Best answer gets BRAINIEST:

nikklg [1K]

Answer:

1. Force = -623.43 N

2.Tension = 106.65 N

Explanation:

Let us call the bigger mass $M$ , and the smaller mass $m$ .

Since the two masses are connected to each other, they must experience same acceleration (if they didn't, the unequal acceleration will cause the string to break. )

From the free body diagram, the forces acting on the mass $M$ are

$T - Mg-F_p$ ,