Answer from: Quest

The objects are acted upon by only one force. gravity. mass times the acceleration of gravity (-9.81meters/second squared).

Answer from: Quest

Answerboth technicians (a) and (b);

Answer from: Quest

Since you have not included the experiment situation and the data, of course, i can not give you specific details about it. but i can you with this question.1) i will assume that the motion is projectile (parabolic) motion.2) yes, the horizontal distance depends on the horizontal velocity as, naming vx the horizontal velocity and t the time, it is: x = vx × t3) now, observe that the flight time depends on the vertical velocity as, naming voy the initial vertical velocity, t the time and y the vertical distance before reaching the ground: y = yo + voy×t - gt² / 2.the higher the initial vertical velocity (voy) the longer the object will be flying and so t will be higher in the equation for the horizontal distance.that explains the relationship between the horizontal distance and the horizontal velocity.

Answer from: Quest

96.77 amp

explanation:

rl = 250/100 = 2.5 ohms.

egl = 250 + (100 × 0.1) + 2 = 262 v.

at 700 r.p.m., eg2 = 262 × 700/1000 = 183.4 v.

if ia is the new current, then eg2 - 2 - (ia × 0.1) = 2.5 ia

which means this will give ia = 96.77 amp.

Physics, 22.06.2019 07:10, naomicervero

If 112 moles of ideal mono-atomic gas initially at 500 kpa undergoes isothermal expansion from 0.555 m^3 to 2.56 m^3 then (a) what is the initial and final temperatures of the gas ? (b) how much work is done during this process ?

Answers: 2

Physics, 22.06.2019 17:30, ghernadez

Abeam of electrons with an energy of 1000 ev impinges on a double slit apparatus. the resultant double slit interference pattern had maxima spaced 9 cm apart on the screen used for detection. assume the small angle remains valid, what is the spacing if the velocities of the electrons are increased 3-fold

Answers: 1

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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?

Answers: 1

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