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Leokris [45]
3 years ago
6

Will knows that the gravitational pull of mars is less than the gravitational pull of earth. When he lands on mars, his mass wil

l be
Physics
1 answer:
slamgirl [31]3 years ago
4 0

Answer:

nuni

Explanation:

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Give the number of protons (p), electrons (e), and neutrons (n) in one atom of nickel-62. A) 28 p, 28 e, 28 n B) 28 p, 28 e, 34
Reika [66]
<h2>Option B is the correct answer.</h2>

Explanation:

We need to find number of protons, electrons and neutrons in ⁶²Ni

Mass number is 62.

That is

       Number of proton + Number of neutron = 62

We know that number of proton = 28 for nickel

So

       28 + Number of neutron = 62        

        Number of neutron = 62 - 28 = 34

We also know

         Number of protons = Number of electrons

          Number of electrons = 28

Option B is the correct answer.

3 0
3 years ago
A ball with a mass of 0.25 kg hits a gym ceiling with a force of 78.0 n. what happens next?
QveST [7]
<span>a. The ball accelerates downward with a force of 80.5 N. This is a rather badly worded question since the answer depends upon whether or not the impact with the gym ceiling was elastic or non-elastic. With an elastic collision, the ball will accelerate downward with it's original force plus the acceleration due to gravity. With a non-elastic collision (the energy in the ball being used to damage the ceiling of the gym), then the initial energy the ball has would be expended while causing damage to the gym ceiling and then the ball would accelerate downward solely due to the force of gravity. In either case, we need to take into consideration the force of gravity. So multiply the mass of the ball by the gravitational acceleration, giving F = 0.25 kg * 9.8 m/s^2 = 2.45 kg*m/s^2 = 2.45 N Since the initial force is 78.0 newtons, let's add them 78.0 N + 2.45 N = 80.45 N and after rounding to 3 figures, gives 80.5 N So we have a possible answer of 2.45N or 80.5N depending upon if the collision is elastic or not. And unfortunately, both possible answers are available. Since no mention of the ceiling being damaged is made in the question, and to be honest a 100% non-elastic collision is highly unlikely, I will assume the collision is elastic, so the answer is "a".</span>
6 0
3 years ago
A boat heads north in still water at 4. 5 m/s directly across a river that is running east at 3. 0 m/s. What is the velocity of
Delicious77 [7]

Answer:

5.

i am not sur

bcoz i am giving thos answer only for points

8 0
3 years ago
Compounds are created when atoms of different elements _____. form physical bonds have different chemical properties form chemic
Inessa05 [86]

Answer:

Could it be Bond together?

Explanation:

Usually the word bond means join I may be wrong sorry x

7 0
3 years ago
Which of the following is the recommended amount of fats per meal for male clients
grigory [225]

Answer:

44 grams- 55 grams through the whole day. Probably about 14.6 grams per meal.

Explanation:

6 0
3 years ago
Read 2 more answers
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