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Zina [86]
3 years ago
15

Which statement about two objects having the same momentum is true?

Physics
1 answer:
Reil [10]3 years ago
7 0

Answer:

The product of mass X velocity is the same for both

Explanation:

The momentum of a body is the product of its mass and velocity.

  Momentum  = mass x velocity

Two objects having equal momentum will have the same for the product of their mass and velocity.

  • It is amount of motion a body can produce.
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An electron is released from rest in a uniform electric field. The electron accelerates vertically upward, traveling 4.50 m in t
Softa [21]

Answer:

Explanation:

A. Using

E= ma/q

E=m/q(2s/t²)

So

E= 9.1x10^-31/1.6*10^-19( 2*4.5/ 3*10-12)

E=5.7NC

The electric field has to be downward since the force is positive that is upward

B.

The electron acceleration is of the order of 10^11 times greater so for practical purposes we neglect the effect of gravity

5 0
4 years ago
What type of fault usually occurs because of compression?
Kamila [148]
The answer is:
<span>Reverse</span>
6 0
3 years ago
a measuring cylinder contains 30cm3 of a liquid some more of the liquid is added until the liquid level reaches the 50cm3 mark t
S_A_V [24]

Answer:

1.5g/cm³

Explanation:

Given parameters:

Initial volume of the liquid  = 30cm³

Final volume of the liquid  = 50cm³

Mass of the liquid  = 30g

Unknown:

Density of the liquid  = ?

Solution:

Density is the mass per unit volume of a substance.

  Density  = \frac{mass}{volume}  

volume of the liquid  = final volume - initial volume  =  50cm³  -  30cm³

 volume of the liquid  = 20cm³

Density  = \frac{30}{20}   = 1.5g/cm³

6 0
3 years ago
What property is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by a star
Galina-37 [17]

Answer:<u><em>B. Temperature</em></u>

Explanation:The temperature of the star such as Sun is measured. Using this measurement, its peak wavelength and energy can be determined.For determination of wavelength, <u>Wien's displacement law is used</u>. This law states that, the sun like body emits all kinds of wavelengths and thus is nearly a black body.For black body, the peak wavelength emitted is inversely proportional to the temperature of the body. From the wavelength, energy can be calculated.<u>Temperature is the property which is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by star</u>.

5 0
3 years ago
The law of conservation of energy can be applied?
liberstina [14]

Answer:

Can you do this questions?

4 0
3 years ago
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