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3 years ago

A bullet leaves a gun with a horizontal velocity of 100 m/s. Calculate the distance it would travel in 1.3 seconds.

Physics

1 answer:

stiks02 [169]3 years ago

4 0

Ignoring air resistance, the bullet's horizontal velocity is constant:

$v_x=v_{0x}=100\,\dfrac{\mathrm m}{\mathrm s}$

In 1.3 seconds, we can expect it to travel

$v_xt=\left(100\,\dfrac{\mathrm m}{\mathrm s}\right)(1.3\,\mathrm s)=130\,\mathrm m$

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How much energy or stopping power is needed to bring a car to a stop from 100 mph?

Fed [463]

I think 100 mph pushing the car the opposite direction

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2 years ago

an airplane is traveling at an altitude of 31,360. a box of supplies is driped from the cargo hold how long will it take to reac

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2 years ago

A vibrating object produces periodic waves with a wavelength of 53 cm and a frequency of 15 Hz. How fast do these waves move awa

DerKrebs [107]

Answer:

v = 7.95 m/s

Explanation:

Given that,

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5 0

2 years ago

Match each rock with the correct description.

xeze [42]

Answer:

Explanation:

1. cools quickly on the earth's surface

Extrusive igneous rock

2. cools slowly beneath the earth's surface

Intrusive igneous rock

3. formed from the remains of living organisms

Organic sedimentary rocks

4. formed from pieces of other rocks cemented together

Clastic sedimentary rock

5. formed when dissolved minerals harden

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5 0

2 years ago

Read 2 more answers

1) Roland has built a circuit, and is using a device called an ammeter to measure how quickly electrical current is flowing thro

zaharov [31]

Answer:

1) 3.9 %

2) 1,38 kg

3) 0.13 cubic meters

Explanation:

Part 1)

Calculated current = 0.180 amps

Measured current: 0.173 amps

percent error : $\frac{0.180 - 0.173}{0.180} \,100=3.9$ %

Part 2)

mass1 = 1,155 kg

mass2 = 0.22 kg

Addition; 1.155 + 0.22 = 1 375 kg which should be rounded to just two decimals according to the addition rules for uncertainties:

Answer : 1,38 kg

Part 3)

Volume = 0.885 x 0.20 x 0.75 cubic meters = 0.13275 cubic meters

Notice that the smallest number of significant figures among the set of dimension given is two. Therefore, our answer should be rounded to two significant figures. That is:

Volume = 0.13 cubic meters

6 0

3 years ago