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3 years ago

What type of convergent boundary is the himalayan mountains formed by

Physics

1 answer:

Diano4ka-milaya [45]3 years ago

8 0

The Himalayan Mountains formed at a convergence plate boundary between the Eurasian plate and the Indian plate.

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Find the missing spaces in the charts below! Please!

Neko [114]

Answer:

Zinc- Zn

Mass Numbers:

Tin-118.71 u

Zinc- 65.38

Protons:

Tin-50

Atomic number zinc 45.38

Zinc has 30 electrons

Tin has 50 electrons

35 neutrons in zinc

iodine-

atomic number- 53

78 neutrons

cl-1 is chlorine

atomic number 17

18 neutrons

17 electrons

atomic number 35 is bromine

symbol Br

35 protons

45 neutrons

35 electrons

Aluminium

protons and electrons 13

neutrons 14

atomic number 14

fe+2

26 protons

24 electrons

30 neutrons

ferrous iron

Cu+1 copper

63.546 mass number

proton and electron 29

neutron 35

5 0

3 years ago

If a platinum atom has 78 protons. How many electrons does it contain?

GenaCL600 [577]

I think the answer would be 78 electrons, maybe?

3 0

3 years ago

A 4 kg block is launched up a 30° ramp with an initial speed of 5 m/s. The coefficient of kinetic friction between the block and

zlopas [31]

Answer:

The speed of the block when it has returned to the bottom of the ramp is 6.56 m/s.

Explanation:

Given;

mass of block, m = 4 kg

coefficient of kinetic friction, μk = 0.25

angle of inclination, θ = 30°

initial speed of the block, u = 5 m/s

From Newton's second law of motion;

F = ma

a = F/m

Net horizontal force;

∑F = mgsinθ + μkmgcosθ

$a = \frac{F_{NET}}{m} = \frac{mgsin \theta + \mu_kmgcos \theta}{m} \\\\a = gsin \theta + \mu_kgcos \theta\\\\a = 9.8sin (30) + 0.25*9.8cos(30)\\\\a = 4.9 + 2.1217\\\\a = 7.022 \ m/s^2$

At the top of the ramp, energy is conserved;

Kinetic energy = potential energy

¹/₂mv² = mgh

¹/₂ v² = gh

¹/₂ x 5² = 9.8h

12.5 = 9.8h

h = 12.5/9.8

h = 1.28 m

Height of the ramp is 1.28 m

Now, calculate the speed of the block (in m/s) when it has returned to the bottom of the ramp;

v² = u² + 2ah

v² = 5² + 2 x 7.022 x 1.28

v² = 25 + 17.976

v² = 42.976

v = √42.976

v = 6.56 m/s

Therefore, the speed of the block when it has returned to the bottom of the ramp is 6.56 m/s.

4 0

4 years ago

HELP

rusak2 [61]

Answer:

H₂0_{(s)} + heat → H₂O(l)

Explanation:

An ENDOTHERMIC reaction is a chemical reaction in which heat is absorbed by the reactants. As such the product is usually cooler than the products. In the equation above (the answer), heat is on the reactant side of the equation thus indicating that heat is absorbed by the reactants.

On the other hand, in the first equation heat is on the product side of the equation which is consistent with an Exothermic reaction.

Have a good day♥

4 0

3 years ago

An anchor with a density of 700 lb/ft3 tied to a rope is submerged in water (but is not touching the bottom). It has a volume of

Ivanshal [37]

Answer:

Explanation:

Given

Density of anchor $\rho _a=700\ lb/ft^3$