4 years ago

The it takes to recognize a and your body responding to it. Blank 1: Blank 2:

Physics

1 answer:

bearhunter [10]4 years ago

7 0

Need more information take a picture of the question !

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Two charges of +2.6 μC and –5.4 μC experience an attractive force of 6.5 mN. What is the separation between the charges?

Troyanec [42]

Answer:

Explanation:

$q_{1} =+2.6 X10^{_-6}C \\q_{2} =-5.4 X10^{_-6}C \\F=6.5mN\\F=\frac{Kq_{1}q_{2} }{d^{2} }$

3 0

2 years ago

During development, the cells in these organisms become specialized.

Y_Kistochka [10]

Answer:

A- multicellular

Explanation:

fertilized egg I think that is the answer

7 0

3 years ago

a 2.964 kilogram truck strikes a fence at 7.00 meters/second and comes to a stop in 1.9 seconds. what was the average force acti

tangare [24]

10.92N

Explanation:

Given parameters:

Mass of the truck = 2.964kg

velocity = 7m/s

Time = 1.9s

Unknown;

Average force on the car = ?

Solution:

The force acting on the car is a function of its mass and acceleration according the newton's second law of motion.

Force = mass x acceleration

Since acceleration = $\frac{change in velocity}{time}$

Force = mass x $\frac{change in velocity}{time}$

Force = $\frac{2.964 x 7 }{1.9}$

= 10.92N

learn more:

Newton's laws brainly.com/question/11411375

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3 years ago

"A rule of thumb for estimating the distance in kilometers between an observer and a lightning stroke is to divide the number of

Crank

<h2>Option 1 is correct option .</h2>

Explanation:

The velocity of sound depends upon temperature . The temperature is different at different altitudes .

The velocity of sound has no effect of pressure . Thus at different altitudes , if pressure is different , it makes no difference .

Therefore the speed of sound varies rapidly with altitude , due to variation of temperature .

It also depends on the nature of medium . which also varies with altitude .

Moreover we cannot get distance by dividing time interval with 3 .

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4 years ago

How much energy is needed to heat 55 Kg of water from 285 K to 360 K?

GalinKa [24]

Answer:

17 kJ

Explanation:

q = mCΔT

q = (55 kg) (4.184 kJ/kg/K) (360 K − 285 K)

q = 17,000 J

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3 years ago