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atroni [7]
3 years ago
13

Complete the following sentence.

Physics
1 answer:
notka56 [123]3 years ago
5 0

Could it be "Scientific research"?

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Bipolar disorder demographic?
irinina [24]

Answer:

affects about 5.7 million adult Americans at age 18 or older every year

Explanation:

8 0
3 years ago
What force is required to give an object with mass 125 kg an acceleration of 3
stiks02 [169]
The answer is B

Using the equation, F=MA, we can determine that...
(125kg) (3m/s^2) = 375N
7 0
4 years ago
A proton travels with a speed of 1.8×106 m/s at an angle 53◦ with a magnetic field of 0.49 T pointed in the +y direction. The ma
Likurg_2 [28]

Answer:

Magnetic force, F=1.12\times 10^{-13}\ N

Explanation:

It is given that,

Velocity of proton, v=1.8\times 10^6\ m/s

Angle between velocity and the magnetic field, θ = 53°

Magnetic field, B = 0.49 T

The mass of proton, m=1.672\times 10^{-27}\ kg

The charge on proton, q=1.6\times 10^{-19}\ C

The magnitude of magnetic force is given by :

F=qvB\ sin\theta

F=1.6\times 10^{-19}\ C\times 1.8\times 10^6\ m/s\times 0.49\ Tsin(53)

F=1.12\times 10^{-13}\ N

So, the magnitude of the magnetic force on the proton is 1.12\times 10^{-13}\ N. Hence, this is the required solution.

3 0
3 years ago
You have two springs that are identical except that spring 1 is stiffer than spring 2, (k1 > k2). On which spring is more wor
kicyunya [14]

Answer:

Explanation:

Given

Two springs with spring constant k_1 and k_2

(a)If they are stretched using the same force

Force F=k_1x_1=k_2x_2

where x_1 and x_2 are the extension in the spring

so \frac{k_1}{k_2}=\frac{x_2}{x_1}

therefore x_2 > x_1

Work done is given by

W=F\cdot x

W_1=F\cdot x_1

W_2=F\cdot x_2

thus W_2 > W_1

(b)If they are stretched the same distance

\frac{F_1}{F_2}=\frac{k_1}{k_2}

Thus F_1 > F_2

For same extension, work done by Force 1 is more

W_1 > W_2    

6 0
4 years ago
If the mass of a material is 115 grams and the volume of the material is 16 cm3, what would the density of the material be?
hjlf
Well, density is mass/volume. So what's 115 g / 16 cm3? That'll get you your density. Remember that density will be in g/cm3! 
6 0
3 years ago
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