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Maksim231197 [3]
3 years ago
5

the waves created by two speed boats in the lake interact to form larger waves this is an example of​

Physics
1 answer:
Kobotan [32]3 years ago
3 0

Answer:

A. constructive interference.

Explanation:

brainliest please? :))

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A particular grocery bag can withstand 40 N of tension force before it rips. If a shopper places 3 kg of food in the bag, what i
snow_lady [41]

Answer;

    = 13.33 m/s²

Solution;

From the second Newton's law of motion;

F= ma

F is the force = 40 N

M is the mass = 3 kg

a is the acceleration;

40 = 3 × a

a = 40/3

    = 13.33 m/s²

Hence; the maximum acceleration the bag can withstand before ripping is 13.33 m/s²

8 0
3 years ago
Read 2 more answers
Explain how could determine which individuals were heterozygous by looking at the gel.
tatuchka [14]
<span>You could determine which individuals were heterozygous by looking at the gel since they would also have a normal DNA sample as well as a FH control.</span>
6 0
4 years ago
Can two charged
miss Akunina [59]

Answer:

yes they can,

Electrostatic forces are non-contact forces; they pull or push on objects without touching them. Rubbing some materials together can result in something called 'charge' being moved from one surface to the other.

Explanation:

example: the opposite ends of magnets

hope this helps! have a wonderfull day!

3 0
3 years ago
A 250 g air-track glider is attached to a spring with springconstant 4.0 N/m. Th damping constant due to air resistance is0.015
vaieri [72.5K]

Answer:

33.33 seconds

Explanation:

N=\dfrac{1}{e}N_0

N_0 = Initial length pulled = 20 cm

b = Damping constant = 0.015 kg/s

k = Spring constant = 4 N/m

m = Mass of glider = 250 g

Time period is given by

T=2\pi\sqrt{\dfrac{m}{k}}\\\Rightarrow T=2\pi\sqrt{\dfrac{0.25}{4}}\\\Rightarrow T=1.57079632679\ s

Using exponential decay formula

N=N_0e^{\dfrac{-bt}{m}}

Final amplitude = Initial times decay

\dfrac{1}{e}0.2=0.2e^{\dfrac{-0.015t}{2\times 0.25}}\\\Rightarrow 0.2=0.2e^{\frac{-0.015t}{2\cdot \:0.25}+1}\\\Rightarrow e^{\frac{-0.015t}{2\cdot \:0.25}+1}=1\\\Rightarrow \ln \left(e^{\frac{-0.015t}{2\cdot \:0.25}+1}\right)=\ln \left(1\right)\\\Rightarrow \left(\frac{-0.015t}{2\cdot \:0.25}+1\right)\ln \left(e\right)=\ln \left(1\right)\\\Rightarrow \frac{-0.015t}{2\cdot \:0.25}+1=\ln \left(1\right)\\\Rightarrow -\frac{0.015t}{0.5}=-1\\\Rightarrow -0.000225t=-0.0075\\\Rightarrow t=33.33\ s

The time taken is 33.33 seconds

7 0
4 years ago
A player kicks a soccer ball from ground level and sons at flying at an angle of 30° at a speed of 26MS how far did the ball tra
RSB [31]

Answer:

Explanation:

60 meters is he answer for this question

7 0
4 years ago
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