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kirza4 [7]
3 years ago
11

Quiz Review Problems

Physics
1 answer:
zlopas [31]3 years ago
5 0

The momentum of a neutron p = 586.25 kg m / s.

<u>Explanation:</u>

The product of mass and the velocity gives the momentum of an object and it is a vector quantity. It is denoted by the letter p. The unit of momentum is kilogram meter per second (or) kg m / s.

Given mass m = 1.675 \times 10,            velocity v = 3.500 \times 10

                  Momentum, p = mv

where m represents the mass,

          v represents the velocity.

                   momentum p = (1.675 \times 10) \times (3.500 \times 10)

                   momentum p = 586.25 kg m / s.

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a sample of ideal gas is originally at 40 degrees celsius. what is the final temperature of the gas if the volume is doubled and
Assoli18 [71]

Answer:

313 K or 40 degree celsius.

Explanation:

Initial , V_{i}=V_{0}

P_{i}=P_{0}

T_{i} =40+273=313K

Now, final

P_{f} =\frac{1}{2}P_{0}

V_{f} =2V_{0}

Combined  the ideal gas law

\frac{P_{i}V_{i}}{T_{i}}=\frac{P_{f}V_{f}}{T_{f}} \\\frac{P_{0}V_{0}}{T_{0}}=\frac{1}{2} \frac{P_{0}2V_{0}}{T_{f}} \\T_{f}=T_{0}\\T_{f}=313K

Therefore, the final temperature of ideal gas is 313 K.

4 0
4 years ago
Before railroad were invented, goods often traveled along canals, with mules pulling barges from the bank. If a mule is exerting
morpeh [17]

Answer:

W = 112.76MJ

Explanation:

the work is:

W = F_xD

where F_x is the force executed in the direction of the displacement and the d the displacement.

so:

W = 12000Ncos(20)(10000)

we use the cos of the angule because it give us the proyection in the axis x of the force, that means the force in the direction of the displacement.

W = 112.76MJ

8 0
3 years ago
A mass on a spring oscillates with a period T. Part A If both the mass and the force constant of the spring are doubled, the new
garik1379 [7]

Answer:

The new time period will be T.

Explanation:

The time period in terms of spring constant and mass is given by :

T=2\pi\sqrt{\dfrac{m}{k}}

If mass and force constant is doubled, m' = 2m and k' = 2k

New time period is given by :

T'=2\pi\sqrt{\dfrac{m'}{k'}}

T'=2\pi\sqrt{\dfrac{2m}{2k}}

T'=2\pi\sqrt{\dfrac{m}{k}}

T'=T

So, the new period will remains the same. Hence, the correct option is (C).

4 0
3 years ago
A car (mass = 1090 kg) is traveling at 30.4 m/s when it collides head-on with a sport utility vehicle (mass = 2880 kg) traveling
Thepotemich [5.8K]

Answer:

The sport utility vehicle was traveling at V2= 11.5 m/s.

Explanation:

m1= 1090 kg

V1= 30.4 m/s

m2= 2880 kg

V2= ?

m1*V1 = m2*V2

V2= (m1*V1)/m2

V2= 11.5 m/s

7 0
4 years ago
Which type of solar radiation is the most powerful?
cluponka [151]

Answer: Gamma rays

Explanation:

4 0
4 years ago
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