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3 years ago

When a unbalanced force act on an object , the object moves with what motion?

1 answer:

jeka943 years ago

3 0

There's no such thing as "an unbalanced force".
When the entire group of forces acting on an object is unbalanced,
meaning that the net force on the object is not zero, then the object
moves with accelerated motion . . . it may speed up, it may slow down,
or its speed may remain constant while its direction changes.

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A cart is uniformly decelerating from rest. The net force acting on the cart is

mina [271]

Answer:

i think the answer is constant

7 0

3 years ago

A 0.900-V potential difference is maintained across a 1.5m length of 2

Daniel [21]

Answer:

I = 6.42 A

Explanation:

Given that,

Potential difference, V = 0.9 V

Length of the wire, l = 1.5 m

Area of cross section, $A=0.6\ mm^2=6\times 10^{-7}\ m^2$

We need to find the current in the wire. Let I is current. We can find it using Ohm's law as follows :

V = IR

Where R is the resistance of the wire

$I=\dfrac{V}{R}\\\\I=\dfrac{V}{\rho \dfrac{l}{A}}\\\\I=\dfrac{0.9}{5.6\times 10^{-8}\times \dfrac{1.5}{6\times 10^{-7}}}\\\\I=6.42\ A$

So, the current in the wire is 6.42 A.

3 0

3 years ago

An object moves 360 km in 2 hours calculate its speed into km/h and m/s

erik [133]

Explanation:

Speed= Distance / time

Speed= 360/2

= 180 km/h

Speed= 180 × 5/18

= 50 m/s

hope it helps

5 0

2 years ago

Read 2 more answers

4. A motorist travels 406 km during a 9.0 hr period. What was the average speed in km/hr and m/s?

user100 [1]

Answer:

45.11 kmph and 12.530 m/s

Explanation:

Average speed = Total distance travelled / Total time taken

406/9 gives the answer in kilometers

And we convert it to m/s by multiplying it with 1000/3600

6 0

3 years ago

Will this circuit work

Lyrx [107]

Answer:

yes

Explanation:

6 0

3 years ago