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ikadub [295]
3 years ago
14

Heat gained or lost is mass times specific heat times change in temperature.

Physics
2 answers:
777dan777 [17]3 years ago
7 0

its A  i just had it on USATestPrep

BlackZzzverrR [31]3 years ago
6 0

the answer would be B

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Ikg.
Tcecarenko [31]

Answer:

The mass of G1 at all times during this trial was <u>0.5</u> kg.

The velocity of G1 + G2 after the collision was <u>-1.24</u> m/s.

The momentum of G1 after the collision was <u>-2.10</u> kg · m/s.

Explanation:

i got it right

6 0
4 years ago
Which object would be the best insulator of electricity?
solniwko [45]

Answer:

a rubber band

Explanation:

hope this helps!

7 0
3 years ago
Read 2 more answers
Three different experiments are conducted that pertain to the oscillatory motion of a pendulum. For each experiment, the length
svetlana [45]

Answer:

Check the explanation

Explanation:

Their is no data provided for the mass and length of pendulum in the picture.but it is very easy to check kinetic energy.KE is mv^2/2, m is the pendulum Bob and v is time dependent ,equation of displacement of SHM is given as x(t)=Asin(wt+∆) where ∆ is the phase angle now v=dX/dt _v=Awcos(wt+∆) and KE=mA^2.w^2(cos(wt+∆))^2/2,

Thus w angular frequency of oscillation is√(g/l)

g acceleration due to gravity and l length of pendulum.so KE is same for pendulum having same mass and length otherwise KE expression with time will vary for all other cases.now check if all experiment pendulum have same mass and length otherwise KE will not be same.You can now easily verify.

4 0
3 years ago
What is the voltage drop across the 10.0 ohm resistor?
DochEvi [55]

The voltage across all the resistors is the same i.e 120V

Each element of the parallel circuit has the same voltage applied to it. The total current flowing from the source is equal to the sum of the currents across each path. The electric potential difference (V) across each resistor in a parallel circuit is the same. Ohm's law states that I = V / R applies to the current in a resistor. The current will be lowest where the resistance is highest since the V is the same for each resistor. The currents passing through each resistor in a parallel combination have the same voltage across them because of their different resistance values and the laws of Ohms i., If two or more components are connected in parallel, they will be having same difference of potential (voltage) across their ends Parallel circuits are then used as current dividers.


To learn more about Parallel circuits please visit -
brainly.com/question/14997346
#SPJ1

7 0
2 years ago
Tarzan, who weighs 849 N, swings from a cliff at the end of a 18.0 m vine that hangs from a high tree limb and initially makes a
loris [4]

Answer:

Part a)

T = 342.5 \hat i + 675\hat j

Part b)

F_{net} = 342.5\hat i - 174\hat j

Part c)

F = 384.2 N

Part d)

\theta = 333 degree

Part e)

a = 4.4 m/s^2

Part f)

\theta = 333 degree

Explanation:

Part a)

Magnitude of tension force is given as

T = 757 N at 26.9 degree with vertical

T = 757 sin26.9 \hat i + 757 cos26.9 \hat j

T = 342.5 \hat i + 675\hat j

Part b)

Net force on Tarzen is given as

F_{net} = T + F_g

F_{net} = 342.5 \hat i + 675\hat j - 849 \hat j

F_{net} = 342.5\hat i - 174\hat j

Part c)

magnitude of the force is given as

F = \sqrt{F_x^2 + F_y^2}

F = \sqrt{342.5^2 + 174^2}

F = 384.2 N

Part d)

Direction of the force is given as

tan\theta = \frac{F_y}{F_x}

tan\theta = \frac{-174}{342.5}

\theta = 333 degree

Part e)

Magnitude of the acceleration

a = \frac{F}{m}

m = \frac{849}{9.81} = 86.5 kg

tex]a = \frac{384.2}{86.5}[/tex]

a = 4.4 m/s^2

Part f)

Direction of acceleration is same as the direction of the force

\theta = 333 degree

6 0
3 years ago
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