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Paul [167]
3 years ago
12

A balloon drifts 14 km at an angle of 30º to the ground. What is the vertical component of the balloon

Physics
1 answer:
ivanzaharov [21]3 years ago
3 0

Sin is the vertical component. So multiply sin 30 and 14. BOOM! You got the answer.

\sin(30)  \times 14 \:  = 7

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An elevator accelerates upward at 1.2 m/s 2 . the acceleration of gravity is 9.8 m/s 2 . what is the upward force exerted by the
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We can find the force by using the following formula;
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8 0
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How many amps are there in the current of a circuit if the voltage source is 140v and the resistance is 2 ohms?
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Voltage (V)= Current (I) * Resistance (R)
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7 0
3 years ago
Con lắc lò xo có độ cứng k = 100N/m được gắn vật có khối lượng m=0.1kg, kéo vật ra khỏi vị trí cân bằng 1 đoạn 5cm rồi buông tay
Delvig [45]

Answer:

The maximum velocity is 1.58 m/s.

Explanation:

A spring pendulum with stiffness k = 100N/m is attached to an object of mass m = 0.1kg, pulls the object out of the equilibrium position by a distance of 5cm, and then lets go of the hand for the oscillating object. Calculate the achievable vmax.

Spring constant, K = 100 N/m

mass, m = 0.1 kg

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w = \sqrt{K}{m}\\\\w = \sqrt{100}{0.1}\\\\w = 31.6 rad/s

The maximum velocity is

v_{max} = w A\\\\v_{max} = 31.6\times 0.05 = 1.58 m/s

8 0
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Explanation:

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