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3 years ago

6

A particle falling at its terminal speed vterm is in dynamic equilibrium with no net force. Use Newton's second law for this par

ticle falling in the presence of a downward electric field of strength E, to find an expression for vterm.

1 answer:

Ilya [14]3 years ago

3 0

Es la A por que des dije ensslzvsnald. Xbsalbxhdjdjwsbdbd

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For a reaction to occur what must happen to the energy in order to break the chemical bond

Andrej [43]

Energy needs to realease

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3 years ago

Alicia can row 6 miles downstream in the same time it takes her to row 4 miles upstream. She rows downstream 3 miles/hour faster

m_a_m_a [10]

Let us assume the upstream rowing rate of Alicia = x
Let us assume the downstream rowing rate of Alicia = y
We already know that
Travelling time = Distance traveled/rowing rate
Then
6/(x + 3) = 4/x
6x = 4x + 12
6x - 4x = 12
2x = 12
x = 6
Then
Rowing rate of Alicia going upstream = 6 miles per hour
Rowing rate of Alicia going downstream = 9 miles per hour.

4 0

3 years ago

Read 2 more answers

What happens when the moon faces one side of the earth?

algol [13]

When the moon faces earth a solar eclipse happens :-)

5 0

3 years ago

A client experiences difficulty in performing the prone iso-abs exercise. Which of the following should be suggested as an regre

butalik [34]

Answer:

a. Quadruped arm and opposite leg raise

Explanation:

Quadruped arm and opposite leg lift

- Kneel on the floor, lean forward and place your hands down.

- Keep your knees in line with your hips and hands directly under your shoulders.

- Simultaneously raise one arm and extend the opposite leg, so that they are in line with the spine.

- Go back to the starting position.

This method is usually used as an alternative to iso-abs exercise or also known as a bridge, which allows you to exercise the abdominal and spinal area at the same time.

It is also used together with other exercises for the treatment of hyperlordosis.

8 0

3 years ago

A rock with a mass of 0.3 kg falls from the top of a cliff. If it takes the rock 2.5 s to reach the ground, what was the impulse

kaheart [24]

Impulse=force x time
force=mass x acceleration due to gravity
force=
$300 \times 10 = 3000$
impulse =3000 x 2.5= ( sorry i don't have a calculator right now so you must calculate this yourself)
I converted from kg to g because it is the standard.
Hope this helps you.

4 0

3 years ago