1 year ago

Which of the following is the best definition of impulse?

Physics

1 answer:

Blababa [14]1 year ago

5 0

ANSWER:

1st option: Change of momentum.

STEP-BY-STEP EXPLANATION:

Momentum is a term that quantifies the overall effect of a force acting over time. and this is exactly equivalent to a change in momentum.

Therefore, we can say that the momentum is the change of momentum, the correct answer is 1st option: Change of momentum.

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Caculate the total charge transferred through a wire carrying a current of 0.5 Ameter for a period of 20 seconds.

Marina CMI [18]

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2 years ago

Calculate the distance traveled by a projectile as a function of launch angle. Compare the distances for two projectiles launche

DaniilM [7]

Answer:

$R = x_{max} = \frac{v^2\sin(2\theta)}{g}\\\frac{R_1}{R_2} = \frac{\sin(2\theta_1}{\sin(2\theta_2}$

Explanation:

Using kinematics equations:

$\Delta x = v_{0x}t\\\Delta y = -\frac{1}{2}gt^2+v_{0y}t$

Use $\Delta y = 0$ due to condition of distance traveled.

Solving second equation for time, there are two solutions. t=0 and

$t=\frac{2v_{0y}}{g}$

Use the expression in the first equation to have

$R = \frac{2v^2 \cos\theta\sin\theta}{g}$

Using trigonometric identities, you have the answer of the distance.

By doing the ratio for two different angles, you have the second answer. Due to sine function properties, the distances can be the same to complementary angles. Example, for 20° and 70°, the distance is the same.

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3 years ago

how does the number of chromosomes in a persons sex compare with the number of chromosome in the body cell

koban [17]

no it doesn't why because I think that it is not the same but different.

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2 years ago

30 km/h is _________m/s?<br> A.)8.3<br> B.)5.6<br> C.)13.9<br> D.)11.1

Juli2301 [7.4K]

Answer:

Correct Option :- A

Explanation:

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2 years ago

Ax = 4.3 m

Dimas [21]

Answer:

the answer will be option no b plss mark me brainliest

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2 years ago