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amm1812
3 years ago
5

A 10-kilogram mass is sliding along a frictionless floor with an acceleration of 5 meters per second squared. What is the magnit

ude of the net force acting on the mass
Physics
1 answer:
mart [117]3 years ago
5 0

Answer:

<h3>The answer is 50 N</h3>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

<h3>force = mass × acceleration</h3>

From the question we have

force = 10 × 5

We have the final answer as

<h3>50 N</h3>

Hope this helps you

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A negative charge -Q is placed inside the cavity of a hollow metal solid. The outside of the solid is grounded by connecting a c
tester [92]

Answer:

a)  + Q charge is inducce that compensates for the internal charge

b) There is no excess charge on the external face q_net = 0

c) E=0

Explanation:

Let's analyze the situation when a negative charge is placed inside the cavity, it repels the other negative charges, leaving the necessary positive charges to compensate for the -Q charge. The electrons that migrated to the outer part of the sphere, as it is connected to the ground, can pass to the earth and remain on the planet; therefore on the outside of the sphere the net charge remains zero.

With this analysis we can answer the specific questions

a)  + Q charge is inducce that compensates for the internal charge

b) There is no excess charge on the external face q_net = 0

c) If we create a Gaussian surface on the outside of the sphere the net charge on the inside of this sphere is zero, therefore there is no electric field, on the outside

d) If it is very reasonable and this system configuration is called a Faraday Cage

e) We cannot apply this principle to gravity since there are no particles that repel, in all cases the attractive forces.

3 0
3 years ago
A paperboy rode his bike 3m/s. After being chased by a dog for 8 seconds he was traveling 6m/s. What is his accleration
aev [14]
I believe the answer is 0.375 m/s²
8 0
3 years ago
Equation InterpretationTwo Pizza Rolls are on the rotating carousel of a microwave oven. One is at the rim (edge) and the other
svetoff [14.1K]

Answer:

Explanation:

Both the pizza rolls are on two circular paths having different radii because one of them is on the rim and another is near the central axis. Their angular velocity are equal . That means they rotate by same angle in equal period of time. So in Δt they make equal angles at the centre. Hence their angular displacements are equal.

But length of arc made by them in equal interval of time that is Δt are different. Ir is so because their speed are different . Speed v and angular speed ω are related to each other as follows.

v = ω r .

So for objects in motion on circular paths having different radii , v are different even if their ω are same.

length of arc l = v Δt

So length of arc will be proportional to their v which will be proportional to r if their ω are same .

Hence length of arc will be proportional to radius of circular path,  ie their distance from the centre .

5 0
3 years ago
M-?<br> P=800kg /m3<br> V=0,5L
BaLLatris [955]

Answer:400kg

Explanation:

Density=800kg/m^3

Volume=0.5L

Mass=density x volume

Mass=800 x 0.5

Mass=400kg

5 0
3 years ago
5. What is the amplitude and wavelength of the wave?
scZoUnD [109]

Answer:

Amplitude = 5 cm

Wavelength = 30 m

Explanation:

Amplitude is the maximum displacement. According to the graph, the maximum height is the maximum displacement which is equal to 5cm.

Wavelength is the same distance between two successive Crest or trough.

From the graph the wavelength is 30 metres.

That is,

Amplitude = 5 cm

Wavelength = 30 m

5 0
3 years ago
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