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storchak [24]
3 years ago
13

How many total atoms are in one molecule of nickel hydroxide, Ni(OH)2?

Physics
2 answers:
Nataly [62]3 years ago
8 0
<span>so I'm pretty sure that the answer is 92.70808 g/mol</span>
Helga [31]3 years ago
6 0

Answer:

5 atoms

Explanation:

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If a vector that is 3cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale repre
poizon [28]

Answer: A. 50 km/h

Explanation:

3 * 10 = 30

5 * 10 = 50

5 0
2 years ago
A 0.5 kg mass moving East with a velocity of 8 m/s is acted upon by a force of 20 N for 2.0 sec.
Andrej [43]

Answer:b

Explanation:

7 0
3 years ago
7. A roller coaster’s velocity at the top of a hill is 10 m/s. Two seconds later it reaches the bottom ofthe hill with a velocit
zheka24 [161]

Answer:

7) a=8m/s^2

8) a=-5m/s^2

9) a=-1.5m/s^2

10) v=29.4m/s

Explanation:

For the problems 7, 8 and 9 we just apply the definition of acceleration, since no more information is given, which is:

a=\frac{\Delta v}{\Delta t}=\frac{v_f-v_i}{t_f-t_i}

So for each problem we will have:

7) a=\frac{26m/s-10m/s}{2s}=8m/s^2

8) a=\frac{10m/s-25m/s}{3s}=-5m/s^2

9) a=\frac{0m/s-15m/s}{10s}=-1.5m/s^2

For the problem 10, we use the equation of velocity in accelerated motion:

v=v_0+at

Since the ball starts from rest and the acceleration is that of gravity (we take the downward direction positive), we have:

v=(0m/s)+(9.8m/s)(3s)=29.4m/s

5 0
3 years ago
A forklift does 450 J of work to lift a 150 N hot tub. How high is the hot tub lifted? Round your answer to the nearest whole nu
vivado [14]
There are already 2 givens, hence we can do direct substitution to get the answer. To make the process simpler, derive the distance formula from the Work formula.

Work = Force x Distance

Distance = \frac{Work}{Force}


Work is 450J while the force is 150N hot tub

To get the proper units, get the equivalent of Joule to eliminate newton. A joule Is equal to 1 N-m

Distance = \frac{450N-m}{150N}
Distance = 3m

Hence, the hot tub is lifted 3 meters.
5 0
4 years ago
Read 2 more answers
A circuit consists of a resistance R, and an inductance L in parallel connected, which is in series with a second resistance R2.
Allisa [31]

Answer:

The impedance of the inductor is ω L:

This is in parallel wth R giving a resistance of the parallel combination:

1 / Rp = 1 / ω L + 1 / R

Rp = (ω L * R) / (ω L + R)      for the impedance of the parallel combination

Total resistance (impedance) Rt = Rp + R2 = Z

One can use the term impedance to show that the resulting current is not in phase with the resulting voltage    

phase angle φ -    cos φ  = ω L / Rt

V = I Z        shows the relation of voltage and urrent

5 0
2 years ago
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