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4 years ago

A vehicle travels at the same speed from point A to point B then from point B to point A

Chemistry

1 answer:

Ber [7]4 years ago

7 0

Answer:

The speed is positive either direction.

Explanation:

It is given that, a vehicle travels at the same speed from point A to point B then from point B to point A.
We know that speed is a scalar quantity and velocity is a vector quantity.
Speed has only magnitude while velocity have both magnitude as well as direction.
In this case, the vehicle will have positive speed in either direction.
Hence, the correct option is (D)

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How many hours per year does a high school student spend in school? hours per year

ki77a [65]

Answer: 1,260

Explanation: There are about 180 days in a school year. 7 hour school days x 180 about 1,260

i hope this helps

3 0

3 years ago

For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. Give a

Brums [2.3K]

Tin was oxidized - the oxidation state changed from +2 to +4
lead was reduced. - the oxidation state changed from +4 to +2
Clorine was the reducing agent (I think)

7 0

3 years ago

Which of the following is a difference between electromagnetic waves and sound waves?

-BARSIC- [3]

Sound waves are longitudinal waves that is, are transmitted in the same direction of oscillation of the particles in the medium. Electromagnetic waves are transverse ie, the electric and magnetic fields, which are perpendicular to each other, oscillate perpendicularly to the direction of wave propagation.

4 0

3 years ago

If the ratio of the length of a rectangle to its width is 3 to 2, what is the

borishaifa [10]

Answer:

Length of a rectangle whose width is 4 inches is

<u>6 inches</u>

Explanation:

Ratio of length to its width is 3 to 2

Let length = L

Let Width = B

L: B = 3 : 2 (given)

$\frac{L}{B} =\frac{3}{2}$

Width ,B = 4

Insert B in above equation

$\frac{L}{B} =\frac{3}{2}$

$\frac{L}{4} =\frac{3}{2}$

cross multiply,

$L = \frac{3}{2}\times4$

L = 6 inches

Conversion(if required) ,

1 inch = 2.54 cm

6 inch = 2.54 (6)

L = 15.24 cm

8 0

3 years ago

Can someone plz explain ionic and covalent bonding plzzzz!!!

Alexeev081 [22]

Answer:

Ionic Bonding: The formation of an Ionic bond is the result of the transfer of one or more electrons from a metal onto a non-metal.

Covalent Bonding: Bonding between non-metals consists of two electrons shared between two atoms.

Explanation:

4 0

3 years ago