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DiKsa [7]
4 years ago
8

PLS HELP ASAP I WILL GIVE BRAINLIST CHART IS IN LINKED

Physics
1 answer:
atroni [7]4 years ago
8 0

1. E,F

2. D,E,F

3. B,C,E,G

4. A,B,C,D

I did the test! :)

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If an environment changes what must a spices do to survive
zhenek [66]
This is easy, the spices must adapt to their new environment to survive
6 0
4 years ago
An object is acted upon by a constant force which gives it a constant acceleration a. At a certain time t1, having started from
Elenna [48]

Answer:

t_2=\sqrt{2}(t_1)

Explanation:

The kinetic energy of a body is that energy it possesses due to its motion. In classical mechanics, this energy depends only on its mass and speed, as follows:

K=\frac{mv^2}{2}

The speed in an uniformly accelerated motion is given by:

v=at

Replacing this expression in the formula for the kinetic energy, we have:

K=\frac{ma^2t^2}{2}\\

So, if we have K_2=2K_1:

K_1=\frac{ma^2t_1^2}{2}(1)\\K_2=\frac{ma^2t_2^2}{2}\\2K_1=\frac{ma^2t_2^2}{2}\\K_1=\frac{ma^2t_2^2}{4}(2)\\

Equaling (1) and (2) and solving for t_2:

\frac{ma^2t_1^2}{2}=\frac{ma^2t_2^2}{4}\\t_2=\frac{4t_1^2}{2}\\t_2=\sqrt{2t_1^2}\\t_2=\sqrt{2}(t_1)

7 0
4 years ago
how do you solve this problem. A bat flying at 3.7m/s spots an insect 23.8 meters away. How much must the bat increase its speed
RideAnS [48]

Here's how I would do it:

How far does he have to go to catch the bug ?  <u>23.8 meters</u>

How soon does he want to get there ?  <u>1.8 seconds</u>

What speed does he need ?  (23.8 m) / (1.8 sec) = <u>13.222 m/sec</u>

What speed is he flying now?    <u>3.7m/s</u>

How much does he need to increase it ?  (13.222 - 3.7) =  <em>9.5 m/s</em> faster


5 0
4 years ago
A copper wire has a length of 1.50 m and a cross sectional area of 0.380 mm2. If the resistivity of copper is 1.70 ✕ 10−8 Ω · m
sweet [91]

Answer: 1.044 E -17 A

Explanation:

L =1.50m

A = 0.380mm = 3.8E- 7

Resistivity p =1.70 E-8

R =pl/A

R = 1.70 E-8 × 1.5/ 3.8 E-7

R = 6.71 E-16 ohms

V = IR

0.700 = I × 6.71 E-16

I =1.044E-17 A

5 0
3 years ago
The force attraction between two objects, does what, as the distance between them increases?
gregori [183]

Decreases

Explanation:

The force of attraction between two objects will decrease as the distance between them increases.

This is in compliance with newtons law of universal gravitation.

The force of attraction between the two bodies is a gravitational force.

According to newton's law of universal gravitation "the force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distances between them".

 We see that from the last statement, the force of attraction between  is inversely proportional to the square of the distances between them.

          F ∞ \frac{1}{r^{2} }

r is the distance between them.

learn more:

Universal gravitation brainly.com/question/1724648

#learnwithBrainly

3 0
4 years ago
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