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evablogger [386]
3 years ago
5

Please help! What is momentum?

Physics
1 answer:
VARVARA [1.3K]3 years ago
8 0

Answer:

a property  of a moving body that the body has by virtue of its mass  and motion and that is equal to the product of the body's mass and velocity

Explanation:

Formula:

Momentum: Mass x Velocity

Hope it helps!

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What is the current in a 160V circuit if the resistance is 2Ω?<br> V=<br> I=<br> R=
Alex787 [66]

Explanation:

v = IR

v= 160 R = 2

<u>160</u> = <u>2I</u>

2 2

I = 80A

4 0
2 years ago
A set of four capacitors are attached to a 12V battery in the circuit shown below. All capacitances are measured in milli-Farads
Bond [772]

The amount of electric charge that resides on each capacitor once it is fully charged is 0.37 C.

<h3>Total capacitance of the circuit</h3>

The total capacitance of the circuit is calculated as follows;

Capacitors in series;

1/Ct = 1/8 + 1/7.5

1/Ct = 0.25833

Ct = 3.87 mF

Capacitors is parallel;

Ct = 3.87 mF + 12 mF + 15 mF

Ct = 30.87 mF

Ct = 0.03087 F

<h3>Charge in each capacitor</h3>

Q = CV

Q = 0.03087 x 12

Q = 0.37 C

Thus, the amount of electric charge that resides on each capacitor once it is fully charged is 0.37 C.

Learn more about capacitors here:  brainly.com/question/13578522

#SPJ1

3 0
2 years ago
What law of motion is that representing ?
Naya [18.7K]

Explanation:

answer is the 3rd law of motion

I hope it will be helpful for you

please mark as brainest answer

thank you

6 0
3 years ago
Uphill escape ramps are sometimes provided to the side of steep downhill highways for trucks with overheated brakes. For a simpl
o-na [289]

Answer:

404.4 m

Explanation:

Converting the initial speed from km/h to m/s then

140\times \frac {1000m}{3600s}=38.88888889 m/s \approx 38.89 m/s

The acceleration is resolved as shown in the figure hence

deceleration of the truck along the inclined plane will be

a=-g sin \theta where g is acceleration due to gravity

Substituting g with 9.81 m/s^{2} then

a=-9.81 m/s^{2} sin 11^{\circ}=-1.871836245\approx -1.87 m/s^{2}

Using kinematic equation

v^{2}=u^{2}+2as and making s the subject then

s=\frac {v^{2}-u^{2}}{2a} where v and u are final and initial velocities respectively

Substituting 0 for v, 38.89 m/s for u and -1.87 m/s^{2} then

s=\frac {0^{2}-38.89^{2}}{2\times -1.87}=404.3936096 m\approx 404.4 m

3 0
3 years ago
Based on the definition of specific heat and the information provide below, if the same amount of heat is added to 1 kg of all t
MArishka [77]
Specific heat capacity is the amount of energy required to raise the temperature of 1kg of a substance by 1 degree. Therefore, the higher the number, the more energy is required.

Hence, Steel will raise the most, since less energy is required to raise its temperature.
7 0
3 years ago
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