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Eva8 [605]
3 years ago
12

Microwaves have a _________wavelength and _________frequency than radio waves.

Physics
2 answers:
IrinaVladis [17]3 years ago
8 0
Microwaves have a shorter wavelength and higher frequency than radio waves
bulgar [2K]3 years ago
3 0
Shorter and higher for the answers in that order.
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A dump truck and a little toy matchbox car have the same velocity. which one has the greater momentum?
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If a bust starts to move and its velocity becomes 90 km after 8 seconds . calculate its acceleration answer it quick please
kherson [118]

Answer:

a = 3.125 [m/s^2]

Explanation:

In order to solve this problem, we must use the following equation of kinematics. But first, we have to convert the speed of 90 [km/h] to meters per second.

90\frac{km}{h}*\frac{1000m}{1km}*\frac{1h}{3600s}   \\= 25 \frac{m}{s}

v_{f} =v_{i} + (a*t)

where:

Vf = final velocity = 25 [m/s]

Vi = initial velocity = 0

a = acceleration [m/s^2]

t  = time = 8 [s]

The initial speed is zero as the bus starts to koverse from rest. The positive sign of the equation means that the bus increases its speed.

25 = 0 + a*8

a = 3.125 [m/s^2]

3 0
3 years ago
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A fixed-geometry supersonic inlet starts at a Mach number of 3. After starting, the cruise Mach number is 2, and the operating s
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