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pantera1 [17]
3 years ago
12

1. What is the pull that all objects exert on each other?

Physics
2 answers:
alukav5142 [94]3 years ago
6 0

Answer:

1. gravitational pull

2.  force

Explanation:

Lemur [1.5K]3 years ago
3 0

Number one 1.

The downward pull on the object is due to gravity. is the force that objects exert on each other because of their masses. You are familiar with the force of gravity between Earth and objects on Earth. Gravity is present not only between objects and Earth, however.

Number two 2

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects. When the interaction ceases, the two objects no longer experience the force.

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Starting from rest a model rocket accelerates upwards at 24 m/s2. How fast will it be moving after it has traveled 192 meters?
Gekata [30.6K]

Answer: 96 m/s

Explanation:

Given information

Acceleration of rocket = 24 m/s2

Distance travelled by rocket = 192 meters.

To be calculated

Velocity of rocket at 192 meters = ?

Using 2nd equation of motion, the difference of square of final and initial velocity is equal to the 2 times the product of acceleration and distance.

v2 – u2 = 2as

v2 – 0 = 2 * 24 * 192 (intial velocity is 0, so u = 0)

v2 = 9216

v =\sqrt9216

v = 96 m/s  

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4 years ago
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An AC source operating at 59 Hz with a maximum voltage of 170 V is connected in series with a resistor (R = 1.2 kΩ) and an induc
Alexxandr [17]

I = V/Z

V = voltage, I = current, Z = impedance

First let's find the total impedance of the circuit.

The impedance of the resistor is:

Z_{R} = R

R = resistance

Given values:

R = 1200Ω

Plug in:

Z_{R} = 1200Ω

The impedance of the inductor is:

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Given values:

f = 59Hz, L = 2.4H

Plug in:

Z_{L} = j2π(59)(2.4) = j889.7Ω

Add up the individual impedances to get the Z, and convert Z to polar form:

Z = Z_{R} + Z_{L}

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Z = 1494∠36.55°Ω

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Given values:

V = 170∠0°V (assume 0 initial phase)

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Round the magnitude of I to 2 significant figures and now you have your maximum current:

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5 0
3 years ago
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