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Morgarella [4.7K]
2 years ago
7

Q3. Recall the equation that links gravitational field strength, mass and weight

Physics
1 answer:
Ierofanga [76]2 years ago
7 0
Gravitational potential energy = mass x gravitational field strength (g) x height
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What is the net force on this object?​
Mariulka [41]
Answer=8N

Explantion:
20-20=0
22-14=8N
5 0
3 years ago
Describe an example of newton’s 3rd law of motion
professor190 [17]

Answer:

For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices.

Explanation:

8 0
3 years ago
Ryan is driving his car to band practice. His speed is 55 mph. Splat! A bug smashes against the windshield, and bug "guts" are e
MrRa [10]

Answer:

The answer is C.

Explanation:

Every point mass attracts every single other point mass by a force acting along the line intersecting both points. The force is proportional to the product of the two masses and inversely proportional to the square of the distance between them. In magnitude, the force they apply each other is the same. Therefore, the force that the windshield exerts on the bug and the force that the bug exerts on the windshield are the same magnitude.

3 0
3 years ago
Read 2 more answers
True or False:A wind is a horizontal movement of air from an area of high pressure to an area of lower pressure.
Taya2010 [7]

Answer:

True

Explanation:

  • When the air blows from high pressure to an area of low pressure over the surface of the earth it is called wind.
  • The greater the pressure difference more is the speed of the wind. The instrument used to measure the speed of the wind is called an anemometer.
  • The winds are named after the direction from which they flow.
  • Calm winds are the slowest of its kind whereas the gale-winds are the strongest winds.
5 0
2 years ago
A plant worker accidentally breathes some stored gaseous tritium, a beta emitter with maximum particle energy of 0.0186 MeV. The
andrey2020 [161]

Answer:

400 milli-rems

Solution:

As per the question;

Maximum energy of particle, E_{m} = 0.0186\ MeV

Weight, w = 1 kg

Energy absorbed, E = 4\times 10^{- 3}\ J

Now,

Equivalent dose is given by:

D_{eq} = \frac{E}{w}  =\frac{4\times 10^{- 3}}{1} = 4\times 10^{- 3}\ J/kg

1 Gy = 1 J/kg

Also,

1 Gy = 1\times 10^{5}\ milli-rems

Therefore,

Dose equivalent in milli-rems is given by:

D_{eq} = 4\times 10^{- 3}\times 1\times 10^{5} = 400\ milli-rems

8 0
3 years ago
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