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KatRina [158]
3 years ago
11

1. Which of the following is NOT a vector quantity? (a) Displacement. (b) Energy. (c) Force. (d) Momentum. (e) Velocity.

Physics
1 answer:
dem82 [27]3 years ago
5 0

Answer:

B. energy

Explanation:

A vector has direction.

Energy does not have a direction.

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Fiesta28 [93]

Answer:

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7 0
3 years ago
Read 2 more answers
If a biker rides west for 50 miles from his starting position, then turns and bikes back east for 80 miles. What is his displace
lara [203]

Answer:

Displacement = 30 miles due east.

Explanation:

Let the distance due west be A

Let the distance due east be B

Given the following data;

A = 50 miles

B = 80 miles

To find the displacement;

Displacement can be defined as the change in the position of a body or an object. It is a vector quantity because it has both magnitude and direction.

Thus, the displacement would be calculated by subtracting distance A from distance B because the rider rode in opposite directions.

Displacement = B - A

Displacement = 80 - 50

Displacement = 30 miles due east.

7 0
3 years ago
Describe the magnetic field in a bar magnet. Enter your answer in the spave provided.
neonofarm [45]

Answer:

The lines of the magnetic field from a bar magnet form closed lines. By convention, the field direction is taken to be outward from the North pole and into the South pole of the magnet. Permanent magnets can be made from ferromagnetic materials.

As can be visualized with the magnetic field lines, the magnetic field is strongest inside the magnetic material. The strongest external magnetic fields are near the poles. A magnetic north pole will attract the south pole of another magnet, and repel a north pole.

4 0
4 years ago
According to Bernoulli's Principle what statement below is How does a wing achieve
Blababa [14]

<em>your answer would be <u>C</u></em>

<em>by forcing air to move faster over the top of the wing thus creating higher pressure below the wing and lower pressure above the wing</em>

hope this helped you- have a good day bro cya)

3 0
3 years ago
A mass on a
andrew-mc [135]

Answer:

S = 2 * pi * 1 m = 6.28 m = distance traveled

V = S / T   or   T = S / V = 6.28 m / 5 m/s = 1.26 sec

This will be the time for 1 revolution or the period of the motion.    

5 0
3 years ago
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