3 years ago

Density is calculated by dividing the mass of an object by its volume.

Physics

2 answers:

Vanyuwa [196]3 years ago

5 0

That description of density is a true statement.

tino4ka555 [31]3 years ago

5 0

Yes, statment is absolutely correct!

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The coordinates of a bird flying in the xy plane are given by x(t)=αt and y(t)=3.0m−βt2, where α=2.4m/s and β=1.2m/s2

mr_godi [17]

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2 years ago

a swimmer experiences a total (absolute) pressure of 117,500 pa in a pool. how far below the surface are they located?

marta [7]

Answer:

Explanation:

We know that the pressure can be calculated in the following way:

p = d·g·h

with d being the density of the water, g the gravitational acceleration and h the depth.

Also d of the water = 1000 kg/m^3 circa and g = 9.8 m/s^2 circa

117,500 Pa = 1000kg/m³ · 9.8m/s² · h

Therefore h = 11,9 m

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1 year ago

does it require more energy to brew 12 cups with the coffee-maker or reheat 12 cups of coffee in a microwave?

Leni [432]

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2 years ago

Read 2 more answers

A straight wire 0.10 m long carrying a current of 2.0 A is at right angles to a magnetic field. The force on the wire is 0.04 N.

Vladimir79 [104]

Answer:

The strength of magnetic field is 0.2 Tesla.

Explanation:

Data from the question is

Length (L) of wire ; L=0.10 m

Current in wire ; I= 2.0 A

Force on wire ; F = 0.04 N

Angle = Right angle So, $\theta$ $\thita = 90^{o}$

Now ,

We have to find the magnetic Field strength (B)

For this formula for Force on wire in magnetic field is

$F = I \times B \times L \times sin(\theta)$

Further modified as

$B = \frac{F}{I \times L \times sin(\theta)}$

Now insert values in the formula

$B = \frac{0.04N}{2.0A \times 0.10 m \times sin(90^{0})}$

$B = 0.2 T$

So, the strength of magnetic field is 0.2 Tesla.

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3 years ago

Define measurements.

Reptile [31]

Answer:

act or process of measuring

Explanation:

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2 years ago