4 years ago

How fast or slow an object is moving and in what direction

1 answer:

4 0

A moving object can be described by its velocity. Velocity is how fast an object is moving. Known as speed AND in what direction. A plus or minus sign is often used as an indicator of direction. So an object with a velocity of -34 m/s is moving with a speed of 34 m/s in. the - direction.

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Answer:

there are conversion scales used for doing that

to convert Celsius to Fahrenheit we use the formula,

T(°F) = T(°C) × 9/5 + 32

and to convert Fahrenheit to Celsius we use,

T(°F) = T(°C) × 5/9 + 32

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Explanation:

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3 years ago

A lidar (laser radar) gun is an alternative to the standard radar gun that uses the Doppler effect to catch speeders. A lidar gu

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Answer:

v = 42.33 m/s

Explanation:

The time difference between two pulses that are emitted by Police is observed in the interval

$\Delta t = 1.27 \times 10^{-7} s$

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$c = 3 \times 10^8 m/s$

now the distance traveled by them

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$d = (3 \times 10^8)(1.27 \times 10^{-7})$

$d = 38.1 m$

so distance of speeding vehicle covered for round trip of wave is 38.1 m

now for one trip it is given as d = 19.05 m

now the speed of the vehicle is given as

$v = \frac{d}{t}$

$v = \frac{19.05}{0.450}$

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3 years ago

Josh and Jake are both helping to build a brick wall which is 6 meters in height. They each lay 250 bricks, but Josh finishes th

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Each laid 250 bricks but while Jake was still working, Josh was lounging in the shade. Josh has more power but that power was only on for 3 hours out of 4.5. Obviously Josh could get more done is less time as long as he keeps working. Jake will get the hang of it soon.

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3 years ago

What would be the diameter of the earth if it had the density of a neurton star

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The entire mass of the Earth at neutron star density would fit into a sphere of 305 m in diameter

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3 years ago

The electricity went out at José's home, and he lit some candles until the lights came back on. The candle wax near the wick bec

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It’s A. Amorphous solid

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4 years ago

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