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Lubov Fominskaja [6]
3 years ago
14

Which of the following is a force?

Physics
1 answer:
lidiya [134]3 years ago
8 0

Answer:

weight

Explanation:

The weight of an object is the force of gravity on the object and may be defined as the mass times the acceleration of gravity, w = mg. Since the weight is a force, its SI unit is the newton. Density is mass/volume.

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Speed is usually what
kolbaska11 [484]

Answer:

measured in GHz?

Explanation:

im not sure what the context is it depends on what your lesson is on

3 0
3 years ago
If an object was accelerating at 10 m/s2, and a mass of 1 kg, what was size of the force acting on the object?
ryzh [129]

Answer:

10 N

Explanation:

f = ma

= 10m/s^2 * 1 kg

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7 0
3 years ago
A student read his right ear against his desk while Teacher talks loudly on the desk and can hear the tapping sound only through
sladkih [1.3K]

Answer:

The student hears the wave that is transmitted by the desk

Explanation:

Mechanical waves need a material medium to be able to be transmitted, in the case of sound waves, one of the most common media is air, but it is also transmitted in other media in this case, stationery is transmitted.

The student hears the wave that is transmitted by the desk

The speed of the wave is proportional to the density of the material, so the wave that the student hears arrives much faster through the desk than through the air

6 0
3 years ago
A speedboat travels from the dock to the first buoy, a distance of 20 meters, in 18 seconds. It began the trip at a speed of o m
MArishka [77]
If you or any else needs the answer for this it is C. +1.11 m/s.
5 0
3 years ago
Read 2 more answers
The emissivity of an ideal reflector has which of the following values?
Wittaler [7]

Emissivityis a measure of how much thermal radiation a body emits to its environment. On the other hand we have that reflectivity is a measure of how much is reflected, and transmissivity  is a measure of how much passes through the object. If a body is required to be ideally reflective to its maximum efficiency, the body should NOT have the property of transmissivity or emissivity. Therefore it should be 0 its emittivity.

Correct answer would be A : ZERO.

4 0
3 years ago
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