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bezimeni [28]
3 years ago
15

Give the abbreviation for the unit which is equivalent to (kgm)/s2.

Physics
1 answer:
nata0808 [166]3 years ago
6 0
Only units of the SI and those units recognized for use with the SI are used to express the values of quantities. Equivalent values in other units are given in parentheses following values in acceptable units only when deemed necessary for the intended audience.
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HELP ASAP! GIVING BRAINLIEST!!!<br><br> I need the answers to 1,2,3!!
artcher [175]

1) 72/4 = 18 years

2) 72/10 = 7.2 years

3) 72/13 = 5.54 years

Explanation: With the rule of 72, you simply take 72 and divide it by whatever the rate of return (or return on investment) is.

Let me know if you have any questions.

7 0
3 years ago
What is the answer? Explain best and I will mark brainliest!
iVinArrow [24]
I would say B because it is near the ocean which can cause a tsunami but also because of the wind coming from the ocean (it might cause hurricanes and lots of storms) I’m not sure though but that’s what I think makes sense. Good Luck!
5 0
3 years ago
Read 2 more answers
two balls are dropped to the ground from the different heights. one is dropped 1.5s after the other, but they reach the ground a
SCORPION-xisa [38]

Answer:

h = 120 m

h = 60 m

when rounded to two significant digits.

Explanation:

height of the higher ball drop point

h = ½gt² = ½(9.8)5.0² = 122.5 m

lower ball drop point

h = ½(9.8)(5.0 - 1.5)² = 60.025

8 0
2 years ago
Which of the following can sometimes be zero for a moving body i average velocity ii distance travelled iii average speed iv dis
Anika [276]

Answer:

<h3>displacement can be zero...because it only care about initial and final positions</h3>

3 0
3 years ago
2 kg<br> Use 10 m/s2 for g
Iteru [2.4K]

Answer:

See below

Explanation:

At point A    the PE = mgh = 2 * 10 * 1 = 20 J

  at point B, all of the PE , 20 J , is converted to Kinetic Energy

KE = 1/2 m v^2

20 = 1/2 (2)(v^2 )

20 = v^2     v = sqrt 20 = 4.47 m/s

for the friction part

 vf = vo t  + 1/2 a t^2      vf = final velocity = 0 (stopped)

                                       vo = original velocity = 4.47 m/s  

                                         a = -1 m/s^2

  0 = 4.47 t + 1/2 (-1) t^2

            - .5t^2  + 4.47 t = 0

                 t ( -.5t+ 4.47) = 0    shows t =  4.47/.5 = 8.9 seconds

6 0
1 year ago
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