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VikaD [51]
3 years ago
9

2. List down the following:

Physics
1 answer:
sveticcg [70]3 years ago
5 0

Answer:

2

a) 109, 111, 113, 115

b) An odd number always follows an even number. So there can't be four consecutive even numbers. 2009, 2011, 2013, 2015 are the next odd numbers between 2008 and 2030.

c) 995, 997, 999, 1001, 1003, 1005, 1007

3

a) The sum of two odd numbers will result in an even number.

b) The sum of two even numbers will result in an even number.

c) The sum of an odd and an even number will result in an odd number.

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How much heat is given off when 210.0g of water at 0 degrees freezes into ice?
Sergio [31]

In the freezing physical change, when 210.0 g of water a 0 degrees freezes into ice, it gives off 71.0 kJ of heat.

<h3>What is freezing?</h3>

It is a physical change in which liquids give off heat to form solids.

We have 210.0 g of water at 0°C. We can calculate the amount of heat given off when it freezes into ice using the following expression.

Q = ΔH°fus × m

Q = 0.334 kJ/g × 210.0 g = 70.1 kJ

where,

  • Q is the heat released.
  • ΔH°fus is the latent heat of fusion.
  • m is the mass.

In the freezing physical change, when 210.0 g of water a 0 degrees freezes into ice, it gives off 71.0 kJ of heat.

Learn more about freezing here: brainly.com/question/40140

#SPJ1

5 0
2 years ago
The only force acting on a 3.2 kg canister that is moving in an xy plane has a magnitude of 6.7 N. The canister initially has a
Fynjy0 [20]

Answer:

The work done by the force is  5.76 J

Explanation:

Given;

mass of canister , m = 3.2 kg

magnitude of force, f = 6.7 N

initial velocity of the canister on x-axis,  v_i= 3.3i m/s

final velocity of the canister on y- axis, v_f = 6.9j m/s

The work done on the canister = change in the kinetic energy of the canister

W = K.E_f - K.E_i

where;

K.Ei is the initial kinetic energy

K.Ef is the final kinetic energy

The initial kinetic energy:

K.E_i = \frac{1}{2} *m\sqrt{i^2 +j^2+z^2}\\\\K.E_i = \frac{1}{2} *3.2\sqrt{3.3^2 +0^2+0^2}\\\\K.E_i = 5.28 \ J

The final kinetic energy:

K.E_f = \frac{1}{2} *m\sqrt{i^2 +j^2+z^2}\\\\K.E_f = \frac{1}{2} *3.2\sqrt{0^2 +6.9^2+0^2}\\\\K.E_f = 11.04 \ J\\

W = 11.04 - 5.28

W = 5.76 J

Therefore, work done on the canister by the 6.7 N force during this time is 5.76 J

3 0
4 years ago
Help please I have to turn this in tonight!!
inna [77]

Answer:

True

Explanation:

i searched it up and well this thing is making me do it up till 20 characters long so yea

3 0
3 years ago
Read 2 more answers
30 Pts! Answer fast please!<br> mass= 1 kg KE= 18 Joules <br> What is the velocity?
makvit [3.9K]
Its 21!! sorry i was late! :)
5 0
3 years ago
(this is somehow part of my science unit, dont ask why)
nirvana33 [79]

Answer:

 Height of coffee mug = 5 cm

Explanation:

  Changing all the data given in to unit cm

              50 mm = 5 cm

              20 cm  = 20 cm

              8 m    = 800 cm

              0.1 km = 100 m = 10000 cm

Since we need to find the height of coffee mug, it's height will not be more than 10 cm.

  So 5 cm is the correct choice.

6 0
4 years ago
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