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# Category physics

## A 12.0 kg box resting on a horizontal, friction-less surface is attached to a 5.00 kg weight

A 12.0 kg box resting on a horizontal, friction-less surface is attached to a 5.00 kg weight by a thin, light wire that passes over a friction-less pulley. The pulley has the shape of a uniform solid disk of mass…

## Give a description of the three basic types of spectra

Give a description of the three basic types of spectra. What are the circumstances under which each would be formed? Assignment help

## Calculate the maximum velocity of slider B if the system is released from rest with X = Y

Calculate the maximum velocity of slider B if the system is released from rest with X = Y (the red line is a frictionless, mass less linkage of length .9 m ) Motion is in the vertical plane. Friction is…

## what is the boiling point of water?

In Breckenridge, Colorado, the typical atmospheric pressure is 520 torr. what is the boiling point of water (delta Hvap = 40.7 kJ/mol) in Breckenridge? physics assignment help

## A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping

A pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping. If an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what…

## A 2.0 mH inductor is connected in parallel with a variable capacitor

A 2.0 mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied from 100 pF to 200 pF. Part A What is the minimum oscillation frequency for this circuit? ANSWER: Answer not displayed Hz Part…

## A college student is working on her physics homework in her dorm room

A college student is working on her physics homework in her dorm room. Her room contains a total of 6.0×1026 gas molecules. As she works, her body is converting chemical energy into thermal energy at a rate of 125 W.…

## What is the electric field strength at r = 25.0 cm?

A spherically symmetric charge distribution produces the electric field E = (5700r^2) N/C, where r is in m a) what is the electric field strength at r = 25.0 cm? b) What is the electric flux through a 34.0-cm diameter…

## Consider a small frictionless puck perched at the top of a fixed sphere of radius R

Consider a small frictionless puck perched at the top of a fixed sphere of radius R. If the puck is given a tiny nudge so that is begins to slide down, through what vertical hight will it descend before it…

## Find the initial angular acceleration of the coil just after the current is started (rad/s^2)

A uniform rectangular coil of total mass 270 g and dimensions 0.5m x 1.0m is oriented perpendicular to a uniform 3.90-T magnetic field (the figure). A current of 2.30 A is suddenly started in the coil. Find the initial angular…