The resultant vector of two particular displacement vectors does not equal the sum of the magnitudes of the individual vectors.Decribe the directions of the two vectors

Answers

Answer 1

Answer: If the resultant magnitude of the sum of two vectors is not
the sum of their individual magnitudes, then they are not both
acting in the same direction.

That's all you really know about them. They can be in ANY two
different directions; just not both in the same direction.

If they were both in the same direction, then the magnitude of
their vector sum would be the sum of their magnitudes, and
the direction of their vector sum would be the same direction
as both of them.

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The charge on a gamma ray is ____.
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An electron that has an instantaneous velocity of ???? = 2.0 × 106 m ???? ???? + 3.0 × 106 m ???? ???? is moving through the uniform magnetic field ???? = 0.030T ???? − 0.15T ???? . (a) Find the force on the electron due to the magnetic field (b) Repeat your calculation for a proton having the same velocity.

Answers

Explanation:

It is given that,

Velocity of the electron, $v=(2* 10^6i+3* 10^6j)\ m/s$

Magnetic field, $B=(0.030i-0.15j)\ T$

Charge of electron, $q_e=-1.6* 10^(-19)\ C$

(a) Let $F_e$ is the force on the electron due to the magnetic field. The magnetic force acting on it is given by :

$F_e=q_e(v* B)$

$F_e=1.6* 10^(-19)* [(2* 10^6i+3* 10^6j)* (0.030i-0.15j)]$

$F_e=-1.6* 10^(-19)* (-390000)(k)$

$F_e=6.24* 10^(-14)k\ N$

(b) The charge of electron, $q_p=1.6* 10^(-19)\ C$

The force acting on the proton is same as force on electron but in opposite direction i.e (-k). Hence, this is the required solution.

The portion of the total internal energy of a system that is proportional to its absolute temperature:a. work
b. heat
c. thermal energy
d. temperature

Answers

Answer:

d. temperature

Explanation:

Total internal energy of system of ideal gas is given as

$U = (f)/(2) nRT$

here we know that

f = degrees of freedom of gas

T = absolute temperature of the gas

no here if type of gas is same then we can say that internal energy of the gas is directly dependent on the temperature of the gas

so here correct answer will be

d. temperature

Final answer:

The portion of internal energy directly proportional to a system's absolute temperature is referred to as thermal energy. It is the energy due to the random motions of atoms or molecules.

Explanation:

The portion of the total internal energy of a system that is proportional to its absolute temperature is known as thermal energy. The internal energy of a system encompasses both kinetic and potential energy of particles within a system.

Thermal energy, on the other hand, specifically refers to the portion of this energy associated with the random movement of atoms or molecules and is directly proportional to the absolute temperature. For example, when you heat a pot of water, the thermal energy of the system (the water) increases in proportion to the rising temperature.

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a 1.0 kg ball is thrown into the air with an initial velocity of 30 m/s. How much kinetic energy does the ball have?

Answers

KE=.5mv^2
KE=.5(1)(30^2)
KE=(.5)(900)
KE=450
Assuming no air resistance....

Final answer:

The kinetic energy of a 1.0 kg ball thrown with an initial velocity of 30 m/s is calculated using the formula KE = 1/2 mv^2, resulting in an energy of 450 Joules.

Explanation:

The question you've asked pertains to calculating the kinetic energy of a ball thrown into the air. To find the kinetic energy (KE) of a 1.0 kg ball thrown with an initial velocity of 30 m/s, you can use the formula KE = ½ mv², where m is the mass of the ball and v is the velocity. Plugging in the values, you get KE = ½ × 1.0 kg × (30 m/s)² = 0.5 × 1.0 × 900 = 450 J. Therefore, the kinetic energy of the ball is 450 Joules.

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true or false the Richter scale describes the effects of an earthquake on people, buildings, and land at a given location.

Answers

It would not be the richter scale, so the answer would be false, it would be the Mercalli scale

The Answer Is False. A seismometer detects the vibrations caused by an earthquake. It plots these vibrations on a seismograph. The strength, or magnitude, of an earthquake is measured using the Richter scale. The Richter scale is numbered 0-10.

This figure shows the angular displacement of a pendulum on a planet with five times the earth's gravity. How long is the pendulum's string?1.0 m

3.2 m

0.80 m

4.0 m