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patriot [66]
3 years ago
13

A car initially traveling at 43m/s accelerates to 53m/s.

Physics
1 answer:
Luda [366]3 years ago
3 0

Answer: I can help you bro

Explanation:

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A footballer kicks a ball at angle teta to horizontal with some initial velocity a) what are the two types of independent motion
Nezavi [6.7K]

a) The motion along the vertical direction and the motion along the horizontal direction.

b) The object remains in the air for a time period of 2usin(θ)/g.

Any object that is thrown in the air when gravity is acting on it is called a projectile. The motion of this projectile is called projectile motion.

When the projectile is thrown in the air at some angle θ, then there are two independent motions taking place at the same time. First is the component of motion along the vertical direction along which gravity acts. Second is the component of motion along the horizontal direction along which the object moves with a constant velocity. No force acts along the horizontal direction. The horizontal motion does not affect the vertical motion and the converse is also true. So these are independent of each other.

The time of flight is the time during which a projectile remains in the air. This time of flight is calculated using the formula,

T=2usin(θ)/g

where T is the time of flight, u is the initial velocity and g is the acceleration due to gravity.

Hence, the object remains in the air for a time period of 2usin(θ)/g.

Learn more about projectile.

brainly.com/question/11049671

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8 0
2 years ago
Please help will give branliest
USPshnik [31]

Nabr is the answer bcoz in a chemical reaction reactants react to form new substances and according to your options NaBr should be the answer

6 0
3 years ago
On a cello, the string with the largest linear density (1.44 x 10-2 kg/m) is the C string. This string produces a fundamental fr
Rus_ich [418]

Answer:

T=346.5N

Explanation:

From the question we are told that:

Density \rho=  (1.44 * 10^{-2} kg/m)

FrequencyF=93.0Hz

Lengthl=0.834m

Generally the equation for Frequency is mathematically given by

F=\frac{1}{2 l}sqrt{\frac{T}{\rho}}

Therefore

T=\rho(2 lF)^2

T= (1.44 * 10^{-2}*(2*0.834)(93.0))^2

T=346.5N

4 0
3 years ago
What would happen if i build a bomb and destroy Pluto
VLD [36.1K]

Answer:

a what

well it wouldn't matter because it's not counted a planet anyway

Explanation:

8 0
3 years ago
Can a runner on a track be accelerating even if she is running at a constant speed why or why not
Lynna [10]
If the runner is running in a circular track then yes when something or someone is moving in a circular motion at a constant speed they are indeed accelerating. They’re accelerating because the direction of the velocity vector is changing
6 0
4 years ago
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