PHYSICS HIGH SCHOOL

Which of the following creates a magnetic force?. A) No Poles. B) Magnetic Charge. C) Magnetic Current. D) North and South Poles

Answers

Answer 1
Answer: the one that creates a magnetic force would be : D. north and south poles

In order to create a magnetic force , you need two different poles of magnetic current. ( you can see how north and north magnet will oppose each other)

hope this helps
Answer 2
Answer:

Answer:

the north and south poles attract each other

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The heat capacity of an object depends in part on its _____. A. mass B. enthalpy C. shape D. potential energy

Answers

The correct answer to the question that is being presented above would be letter A. mass. The heat capacity of an object depends in part on its mass. All the other choices do not fit the description that needs to be answered.

Which explains how the Coriolis effect causes air circulation? A.
Air from the equator moves toward the poles faster than the ground below it, so friction causes the air to veer west. In contrast, air from the poles moves toward the equator slower than the ground below it, so friction causes it to veer to the east.
B.
Air from the equator moves toward the poles faster than the ground below it, so friction causes the air to veer east. In contrast, air from the poles moves toward the equator slower than the ground below it, so friction causes it to veer to the west.
C.
Air from the poles moves toward the equator faster than the ground below it, so friction causes the air to veer east. In contrast, air from the equator moves toward the poles slower than the ground below it, so friction causes it to veer to the west.
D.
Air from the equator moves toward the poles slower than the ground below it, so friction causes the air to veer east. In contrast, air from the poles moves toward the equator faster than the ground below it, so friction causes it to veer to the west.

Answers

The right answer for the question that is being asked and shown above is that: "Air from the equator moves toward the poles faster than the ground below it, so friction causes the air to veer west. In contrast, air from the poles moves toward the equator slower than the ground below it, so friction causes it to veer to the east. "

A ball is shot up from the ground with an initial vertical velocity of 30 m/s. What is the velocity of the ball as it reaches its highest point

Answers

Answer:

0 m/s

Explanation:

At the highest point, the vertical velocity is 0 m/s.

There's no horizontal velocity.

So the total velocity at the highest point is 0 m/s.

A marble statue has a mass of 6,200 grams and a volume of 2,296 cm3. What is the density of marble?

Answers

d= m/v
d= 6200/2296
density = about 2.7

Which statement BEST describes how the body moves?a. Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.
b. Cardiac and smooth muscles are made of muscle fibers, nerves, and cartilage and are responsible for all movement in the body.
c. Smooth muscles, which are made of blood vessels, fibers, and nerves, allow for all activities that use slow-twitch muscle fibers.
d. Skeletal muscles, which are made of tendons, nerves, and fibers, line the body cavities and allow for support and movement.

Answers

Answer;

A. Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.

Explanation;

  • Muscular tissues functions in movement and locomotion through its direct connection with the skeletal system.
  • Skeletal muscles are responsible for moving the body. The skeletal muscle contractions pull on tendons, which as attached to bones. When the skeletal muscle contraction causes the muscle to shorten, the bone and thus the body par will move.
  • Skeletal muscles also provide structural support for the entire body.

Answer:

A.

Skeletal muscles, which are made of fibers, nerves, and blood vessels, contract in order to make the body move.

Explanation:

A 10-kilogram bicycle is traveling at a speed of 2 m/s. what is the bikes kinetic energy?

Answers

We have: K.E. = 1/2 mv²
Here: m = 10 Kg
v = 2 m/s

Substitute their values, 
K.E. = 1/2 * 10 * 2²
K.E. = 1/2 * 10 * 4
K.E. = 20 J

In short, Your Answer would be 20 Joules

Hope this helps!
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