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Nesterboy [21]
2 years ago
10

Describe a process in which energy changes forms at least twice

Physics
1 answer:
olga55 [171]2 years ago
7 0
That would be like dropping your cell phone on to the ground by accident. The object (cell phone)'s gravitational potential energy would be converted to kinetic energy or energy in motion more precisely. This is just a hypothetical example though.
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Matter's resistance to a change in motion is called
AURORKA [14]

Answer:

Inertia! I hope this helps!

7 0
3 years ago
Read 2 more answers
Which type of bond has an electronegativity difference greater than 1.7? a. ionic c. nonpolar covalent b. metallic d. polar cova
cestrela7 [59]

Answer: Option (a) is the correct answer.

Explanation:

An ionic bond is formed by transfer of electrons between the two chemically combining atoms. Whereas a covalent bond is defined as the bond formed by sharing of electrons between the two chemically combining atoms.

When electronegativity difference is from 0.0 to 0.4 then bond formed between the two atoms is non-polar covalent in nature.

When electronegativity difference is greater than 0.4 and less than 1.7 then bond between the two atoms is a polar covalent bond.

When electronegativity difference is 1.7 or greater than the bond formed is ionic in nature.

Thus, we can conclude that ionic type of bond has an electronegativity difference greater than 1.7.

8 0
3 years ago
Which one of the following is an example of an indicator?
a_sh-v [17]
B. litmus paper :) :)
7 0
3 years ago
A 465 g block slides along a frictionless surface at a speed of 0.35 m/s. It runs into a horizontal massless spring with spring
katovenus [111]

Answer:

a) The duration, during which the block remain in contact with the spring is 0.29 s

b) The period of the simple harmonic oscillatory motion depends only on the mass and spring constant, therefore when the speed is doubled, the duration of contact remains the same as 0.29 s.

Explanation:

Mass of the block = 465 g

Surface speed = 0.35 m/s

Spring constant , k = 54 N/m

T = 2\times \pi \times \sqrt{\frac{m}{K} } = 2\times \pi \times \sqrt{\frac{0.465}{54} }  = 0.58 s

a) Since the period for the oscillatory motion is 0.58 s, then the time when the block and spring remain in contact is T/2 = 0.29 s

b) When the speed is doubled, we have

T = 2\times \pi \times \sqrt{\frac{m}{K} }

Therefore, since T is only dependent on the mass, m and the  spring constant, K, then the time it takes when the speed is doubled remain as

T /2 = 0.29 s

7 0
3 years ago
Find the velocity at which the bowling ball must move for its kinetic energy to be equal to that of the meteorite.
Vikentia [17]

Answer:

In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.

Explanation:

BOOM!!!

7 0
2 years ago
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