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Tatiana [17]
4 years ago
5

An object with a mass of 9 kg weighs 14.4 N on the Moon. What is the

Physics
2 answers:
erma4kov [3.2K]4 years ago
7 0

Answer:

1.6 m/s²

Explanation:

Weight equals mass times acceleration due to gravity.

F = mg

14.4 N = (9 kg) g

g = 1.6 m/s²

Luba_88 [7]4 years ago
7 0

You should give him the Brainliest.

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A stone is thrown from the ground at a speed of 72km / hr. If the wind barrier is not taken into account, how high will the rock
marusya05 [52]

Here's link to the answer:

tinyurl.com/wpazsebu

5 0
3 years ago
In lab you find that a 1-kg rock suspended above water weighs 10 N. When the rock is suspended beneath the surface of the water,
pav-90 [236]

Answer:

a. 2N

b. 12N

c. 20N

Explanation:

Dtaa given,

Weight of rock in air=10N

weight of rock in water =8N

a. When the rock is suspend in water, it will displace some water from thr container since Buoyant force is the acts upward and equals in magnitude to the volume of water displays,

The buoyant force is calculated as 10N-8N=2N

b. The scale reading will be the sum of the buoyant force and the weight of the container

scale reading =10N+2N=12N

c. When the rock rest at the bottom of the container, the weight of the rock(10N) is acting downward and the weight of the container also is acting downward. Hence the sum of the two weight gives the reading on the scale

scale reading=10N+10N=20N

4 0
3 years ago
A sled is initially given a shove up a frictionless 37.0 ∘ incline. It reaches a maximum vertical height 1.20 m higher than wher
labwork [276]

The initial speed of the sled at the given height is 4.85 m/s.

<h3>Initial speed of the sled</h3>

Apply the principle of conservation of energy;

K.E = P.E

¹/₂mv² = mgh

v² = 2gh

v = √2gh

where;

  • h is the vertical height reached
  • g is acceleration due to gravity

v = √(2 x 9.8 x 1.2)

v = 4.85 m/s

Thus, the initial speed of the sled at the given height is 4.85 m/s.

Learn more about initial speed here: brainly.com/question/24493758

#SPJ1

5 0
2 years ago
The nuclei of large atoms, such as uranium, with 92 protons, can be modeled as spherically symmetric spheres of charge. the radi
natali 33 [55]
Total number of Photons = 92. 
Radius of the Nucleus = 7.4 x 10^-15 m 
Charge of the nucleus = 1.6*10^-19. 
Total charge q = 92 x 1.6*10^-19 = 147.2 x 10^-19 
k = 9 x 10^9 N m^2 / C^2 
Electric field charge E = kq / r^2 
=> E = (9 x 10^9 x 147.2 x 10^-19) / (7.4 x 10^-15) ^2  
=> (1324.8 x 10^-10) / 54.76 x 10^-30 => 24.19 x 10^20 N/C
5 0
3 years ago
Read 2 more answers
A ball of mass 3 kg is released at the top of a track, as shown in the image below. The top of the ramp is 1 metre higher than
aliya0001 [1]

Answer:

potential energy

Explanation:

3 0
3 years ago
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