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3 years ago

Book sliding across a frictionless table would never stop moving, even though there is

Physics

1 answer:

Lina20 [59]3 years ago

4 0

Answer:

Yes, this is true, unless there were other outside forces, such as wind.

Explanation:

The First Law of Motion states, "A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force."

Hope this helped!! :)

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The electric field strength E is measured as:

soldi70 [24.7K]

The correct answer is
force per unit charge.

In fact, the electric field strength is defined as the electric force per unit charge experienced by a positive test charge located in the electric field. In formula:
 $E= \frac{F}{q}$
where
E is the electric field strength
F is the electric force experienced by the charge
q is the positive test charge.

4 0

3 years ago

Use tug of war to explain balanced and unbalanced forces

Dimas [21]

Forces equal the flag doesn't move either direction

Unequal forces the flag moves in the direction of the greater magnitude force

4 0

3 years ago

A Cathode of initial mass 10.00g weigh to 10.05g

Leto [7]

Answer:

i'm sorry i'm not a physics student

6 0

2 years ago

A mass m0 is attached to a spring and hung vertically. The mass is raised a short distance in the vertical direction and release

iragen [17]

Answer:

The frequency of the oscillations in terms of fo will be f2=fo/3

E xplanation:

T= $2pie\frac sqrt {m}{k}$

$\frac {{f2}/times {fo}}$ =1:3

⇒f2=fo\3

Here frequency f is inversely poportional to square root of mass m.

so the value of remainder of frequency f2 and fo is equal to 1:3.

⇒ $\frac{f2} {f1}$ = $\frac sqrt{m1}[m2}$

⇒ $\frac{f2}{fo}$ = 1:3

⇒f2= $\frac{fo} {3}$

6 0

2 years ago

What characteristic of a planet determines the acceleration due to gravity on it?

Korvikt [17]

The mass of a planet determines the acceleration due to gravity on it. This is according to Newton's Law of Gravitation, which basically states that the more mass a body has, the greater the force of attraction it exerts on other bodies with mass near it.

The gravitational force is:

F = GMm/r², where G is a constant, r is the distance between large mass M and small mass m.

Considering the fact that acceleration is force per unit mass, if we divide gravitational force by the small mass (to get force per unit mass), we see the dependence mathematically:

a = GM/r²

7 0

3 years ago