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Levart [38]
3 years ago
15

Can yall help me with my science

Physics
2 answers:
katrin [286]3 years ago
8 0
1.) radio
2.)gamma
3.) gamma
4.)radio
5.)radio obviously hence the name
6.)gamma
7.)micro
8.)gamma
9.)ultraviolet
10.)ultraviolet
11.)gamma
12.)radio
13.)no
14.)transverse
15.)between 400 and 600
17.) x ray but its not on there for some reason
19.)transverse
21.) shorter and higher
22.) i think it might be shortest but that question is missing a bunch of needed informations
e-lub [12.9K]3 years ago
6 0
Yes of course what do you need
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A sample of a solid nonmetal is compared to a sample of a solid metal. Both samples have the same volume. What is the most likel
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The weight could be different, metals have a higher mass than nonmetals, so when occupying the same amount of space, the weight of the metal is far more.
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A simple pendulum consists of a point mass suspended by a weightless, rigid wire in a uniform gravitation field. Check all that
9966 [12]

Answer:

f.The period is independent of the suspended mass.

Explanation:

The period of a pendulum is given by

T=2 \pi \sqrt{\frac{L}{g}}

where

L is the length of the pendulum

g is the acceleration due to gravity

From the formula, we see that:

1) the period of the pendulum depends only on its length, L, and it is proportional to the square root of the length

2) the period does not depend neither on the mass of the pendulum, nor on its amplitude of oscillation

So, the only correct statements are

f.The period is independent of the suspended mass.

Note: statement "e.The period is proportional to the length of the wire" is also wrong, because the period is NOT proportional to the length of the wire, but it is proportional to the square root of it.

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3 years ago
6 An object can never have
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B

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Speed is the magnitude of the velocity vector, so it can never be negative.

6 0
4 years ago
Why is the ocean warmer than the air at night
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You see, during the day the ocean collects heat from the sun. So the air above the ocean get warm at night, but the rest of the air on the land gets cooler because water has the ability to collect energy from the Sun.

4 0
3 years ago
You apply a horizontal force of 25N to push a shopping cart across the parking lot at a constant velocity. a) what is the net fo
AlekseyPX

(a) The net force on the shopping cart is zero.

(b) The the force of friction on the shopping cart is 25 N.

(c) When same force is applied to the shopping cart on a wet surface, it will move faster.

<h3>Net force on the shopping cart</h3>

The net force on the shopping cart is calculated as follows;

F(net) = F - Ff

where;

  • F is the applied force
  • Ff is the frictional force

ma = F - Ff

where;

  • a is acceleration of the cart
  • m is mass of the cart

at a constant velocity, a = 0

0 = F - Ff

F(net)  = 0

F = Ff = 25 N

Net force is zero, and frictional force is equal to applied force.

<h3>On wet surface</h3>

Coefficient of kinetic friction of solid surface is greater than that of wet surface.

Since frictional force limit motion, when the frictional force is smaller, the object tends to move faster.

Thus, the cart will move faster on a wet surface due to decrease in friction.

Learn more about frictional force here: brainly.com/question/24386803

#SPJ1

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