Which of the following conditions would decrease the ability of a person to hear a sound? A. The distance to the sound source be
1 answer:
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Answer:
Tension T1 is less than tension T2.
T1 < T2
Explanation:
According to given data,
mass of box A ( mA) is grater than mass of box B (mB)
we can write,
m(A) > m(B)
Newton's second law states that:
Tension of object is directly proportional to the mass of the system.
T ∝ m
here Boxes A and B are being pulled to the right on a frictionless surface,
so Tension T1 generates due to the mass of box A m(A)
and Tension T2 arises due to mass of the system m(A) + m(B)
Thus tension T1 will be less than tension T2
T1 < T2
learn more about Tension force here:
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Answer:
9.1 x 10⁵ ohm
Explanation:
C = Capacitance of the capacitor = 9 x 10⁻⁶ F
V₀ = Voltage of the battery = 13 Volts
V = Potential difference across the battery after time "t" = 4 Volts
t = time interval = 3 sec
T = Time constant
R = resistance
Potential difference across the battery after time "t" is given as
T = 8.2 sec
Time constant is given as
T = RC
8.2 = (9 x 10⁻⁶) R
R = 9.1 x 10⁵ ohm
Answer:
(a) Acceleration
(b) Distance s = 25 m
Explanation:
We have given constant force F = 2000 N
Mass of the car = 1000 kg
(a) From newton's law we know that F = ma
So
(b) Tine is given as t = 5 sec
As the car is initially at rest so initial velocity u = 0 m/sec
From second equation of motion
So