3 years ago

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be

2 answers:

5 0

<span>If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be
</span>acceleration

Mandarinka [93]3 years ago

5 0

Well, when your tires and the road are mixed together at a high speed, it causes a friction force, which is what propels the car forward, even when you are not using the gas peddle.

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Explain why beryllium looses electrons while ionic bonds,while Sulfur gains electrons.

balandron [24]

Answer:

Since Beryllium has a larger atomic radius than Sulphur its electrons are not strongly attracted to the nucleus hence lost easily. But Sulphur has a small atomic radius hence electrons are more closely attracted to the nucleus.

3 0

1 year ago

A 3.50 amp power supply is used to deposit chromium from a solution of CrCl3. How long will it take to deposit 100.0 grams of ch

Norma-Jean [14]

Explanation:

The given data is as follows.

Current (I) = 3.50 amp, Mass deposited = 100.0 g

Molar mass of Cr = 52 g

It is known that 1 faraday of electricity will deposit 1 mole of chromium. As 1 faraday means 96500 C and 1 mole of Cr means 52 g.

Therefore, 100 g of Cr will be deposited by "z" grams of electricity.

$z \times 52 g = 96500 \times 100 g$