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Ad libitum [116K]
3 years ago
8

HELPPP WILL MARK BRAINLIST What type of image is formed by a lens if m= 2.7?

Physics
1 answer:
Gelneren [198K]3 years ago
6 0

Answer:

the answer is C

Explanation:

So, the formed image will be real and inverted.

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6. In baseball, a fastball takes about 1/2 second to reach the plate. Assuming that such a pitch is thrown horizontally, compare
klio [65]

Answer:

<em>The ball falls 0.3 m in the first 1/4 seconds, and it falls 0.92 m in the second 1/4 second</em>

Explanation:

<u>Horizontal Launch </u>

When an object is thrown horizontally with a speed v from a height h, it describes a curved path ruled exclusively by gravity until it eventually hits the ground.

To calculate the vertical distance (y) traveled by the object in terms of the time (t) we use:

\displaystyle y=\frac{g.t^2}{2}

The fastball is thrown horizontally. The distance the ball falls in t=1/4 seconds = 0.25 seconds, is:

\displaystyle y_1=\frac{9.8*0.25^2}{2}

\displaystyle y_1=0.30625\ m

The distance the ball falls in t=1/2 seconds = 0.5 seconds is:

\displaystyle y_2=\frac{9.8*0.5^2}{2}

\displaystyle y_2=1.225\ m

The distance it falls in the second 1/4 second is:

y_2-y_1=1.225\ m-0.30625\ m

y_2-y_1=0.91875\ m

The ball falls 0.3 m in the first 1/4 seconds, and it falls 0.92 m in the second 1/4 second

3 0
3 years ago
show mathematically why an 80,000 pound ( 36,000 kg ) big rig taveling 2 mph (0.89 m/s) has the SAME MOMENTUM as a 4,000 pound (
bekas [8.4K]

The momentum value for both Big rig and sport utility vehicle are the same as 16000 pound mph

<u>Explanation:</u>

Given data are as follows  

For Big rig, Mass = 80,000 pound (36,000 kg)  

velocity = 2  mph (0.89 m/s)

where mph is meter per hour

For sport utility vehicle, Mass = 40,000 pound (1800 kg)

velocity = 40 mph (18 m/s)

The formula to find the Momentum of an object is

Momentum = Mass × Velocity (Kilogram meter per second)

Momentum for Big rig = 80,000 × 2 (pound mph)

 = 1,60,000 pound mph

Momentum for sport utility vehicle = 4000 × 40 (pound mph)

 = 1,60,000 pound mph  

Hence it is mathematically proved that  

The momentum of big rig = The momentum of sport utility vehicle

1,60,000 pound mph = 1,60,000 pound mph

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4 years ago
A behavior that is developed by observing others or being taught is
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B. Learned behavior
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Why is disagreement among scientists important to the progress of science? Facing disagreement forces scientists to prove their
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Facing disagreement forces scientists to prove their theories more conclusively.
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1 nanometer is equals to?
netineya [11]

1×10^_19 meters

hope it helps you!!!!!

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