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kaheart [24]
3 years ago
14

An object has a mass of 0.250 kg. What is the gravitational force of on the object by the earth?

Physics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

2.4525 N

Explanation:

The earths gravity is 9.81 N/Kg

And so to work this out you would multiply 9.81 by 0.250 which equals to 2.4525N

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A friend waves & yells at you. If the sound took 3.20 seconds to reach you and the speed of sound is 340 m/s,
xeze [42]

Answer:

1088 m

Explanation:

3.00 seconds times by 340 =1020+68=1088

5 0
3 years ago
An electron moves with velocity v⃗ =(5.9i−6.4j)×104m/s in a magnetic field B⃗ =(−0.63i+0.65j)T. Determine the z-component of the
HACTEHA [7]

Answer:

Explanation:

Force on the electron = q ( v x B )

q = - 1.6 x 10⁻¹⁹

v = (5.9i−6.4j)×10⁴

B = (−0.63i+0.65j)

v x B = (5.9i−6.4j)×10⁴  x (−0.63i+0.65j)

= (3.835  - 4.032 ) x 10⁴ k

= - 1970 k

Force on the electron = q ( v x B )

= - 1.6 x 10⁻¹⁹ x -1970 k

= 3.152 x 10⁻¹⁶ k

z-component of the force on the electron

Fz = 3.152 x 10⁻¹⁶ N  

7 0
3 years ago
Please help me:(
Lelechka [254]

Answer:B

Explanation:

I’m doing the same thing you are!

3 0
3 years ago
Which of the following best describes the role of culture in the achievement of developmental milestones?
Andrei [34K]

Answer:

Children achieve development milestones at the same time regardless of culture

Explanation:

7 0
3 years ago
fruit drinks are often 27 percent solutions by volume of real juice with water. If a bottle of fruit juice contains 2.00 L, what
Schach [20]
Percentage of real juice = 27% by volume.

For a 2 L juice bottle,

Fruit juice = 27/100*2 = 0.54 L
5 0
3 years ago
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