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2 years ago

Two balls are placed near one another and hang down, as shown below.

Physics

2 answers:

Delicious77 [7]2 years ago

3 0

Answer:

<h2>a- neither ball has a charge</h2>

Explanation:

KiRa [710]2 years ago

3 0

Answer:

the answer is A

Explanation:

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Match each phrase to the form of energy it represents. Tiles chemical potential energy electric energy vibrational energy motion

alex41 [277]

fuel in a car's gas tank- Chemical Potential Energyflash of lightning- Radiant Energy storm clouds- Electric Energyvocalist singing- Vibrational Energy recording sound with a microphone- Electric Potential Energyraindrops falling- Motion Energy
HOPE THIS HELPED :)

5 0

3 years ago

Read 2 more answers

A bicyclist is traveling at +25m/s when he begins to decelerate at -4m/s2. How fast is he traveling after 5 seconds

kotegsom [21]

Answer:

+5m/s

Explanation:

When doing the math we figure out that e is going to be slowing down at -4m/s² for 5 seconds. In total he is slowing down -20m/s which we take from the total speed of +25m/s to get his current new speed.

7 0

2 years ago

a charge of 7.2x10^-5C is placed in an Electric field with a strength of 4.8x10^5N/C. if the Electric potential energy of the ch

Alecsey [184]

Answer:

$d= 2.2 m$

Explanation:

The data given in the question is

Charge : q = $7.2 \times 10^{-5} C$

Electric field Strength : E = $4.8 \times 10^{5} N/C$

Electrical potential Energy : U = $75J$

Let, the distance be "d"

So, the formula for Electrical potential energy is

$U= q \times E \times d$

Simplified formula for distance become

$d=\frac{U}{q \times E}$

Now , insert the value

$d=\frac{75 J}{7.2 \times 10^{-5}C \times 4.8 \times 10^5 N/C}$

or,

$d=2.17 m$

Rounding off

$d= 2.2 m$

3 0

3 years ago

A bus and a car have an inelastic head-on collision. The bus has a mass of 1.5 × 103 kilograms and an initial velocity of 20 met

makkiz [27]

Answer:

+5300 kg m/s

Explanation:

In any type of collision, the total momentum is conserved. Therefore, we can just calculate the total momentum before the collision, and the final momentum will be equal to the initial one.

The total momentum before the collision is:

$p_i = m_1 u_1 + m_2 u_2$