3 years ago

A motorcycle travels 90.0 km/h. How many seconds will it take the motorcycle to cover 2.10 x 103 m?

Physics

1 answer:

mina [271]3 years ago

4 0

Answer:

The time taken is 84 seconds, please give the brainliest award would be much appreciated.

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A student practicing for track ran 800 meter in 110 seconds. what was her speed?

adoni [48]

Her speed was 7.27 meters per second

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3 years ago

The grant that considered the foundation of financial aid is the:

navik [9.2K]

Answer:

I think it is the Federal Pell Grant Program.

Explanation:

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2 years ago

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If you make multiple measurements of your height, you are likely to find that the results vary by nearly half an inch in either

Lisa [10]

Answer:

Height h= 1.7 m

Explanation:

Supposing we have to find height in meter.

1 feet = 0.3048 m

1 inch = 0.0254 m

Given that:

5 feet

= 5×0.3048

= 1.524 m

and 7 inch = 7×0.0254= 0.1778 m

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Height h= 1.7 m

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3 years ago

If a car is traveling at a constant speed of 100 kilometers per hour (km/h), how many hours will it take for the car to travel a

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Answer:

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Explanation:

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2 years ago

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The animation shows a ball which has been kicked upward at an angle. Run the animation to watch the motion of the ball. Click in

sergejj [24]

Answer:

The acceleration of the ball is $a_y = - 0.3672 \ m/s^2$

Explanation:

From the question we are told that

The maximum height the ball reachs is $H_{max} = 42.24 \ m$

The horizontal component of the initial velocity of the ball is $v_{ix} = 5.57 \ m/s$

The vertical component of the initial velocity of the ball is $v_{iy} = = 16.18 m/s$

The vertically motion of the ball can be mathematically represented as

$v_{fy}^2 = v_{iy} ^2 + 2 a_{y} H_{max}$

Here the final velocity at the maximum height is zero so $v_{fy} = 0 \ m/s$

Making the acceleration $a_y$ the subject we have

$a_y = \frac{v_{iy} ^2}{2H_{max}}$

substituting values

$a_y = - \frac{5.57^2}{2* 42.24}$

$a_y = - 0.3672 \ m/s^2$

The negative sign shows that the direction of the acceleration is in the negative y-axis

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3 years ago