Physics Answers

120 ͦC to ͦF

With Solution pls thank you so much

Find the electric field midway between a 2-uC point charge which are 2.5 m apart

The average angular acceleration of a stone lodged in a rotating car wheel is 100 rads .What will the stone’s final angular speed be after 3.0 s, if it starts

From rest? Also calculate its angular displacement during this time.

A satellite of mass 200 kg is displaced by a distance of

2RE

from a point on the

Earth’s surface, where

RE

is the radius of the Earth. Calculate the work done on

the satellite by the force of gravitation. Take the values of the constants in your

calculation from the astrophysical data given in the course

Write an expression for visibility (v) of interference pattern resulting from two coherent waves assuming (i) their fields to be parallel (ii) their fields to be equal and parallel? v= (I max -I min ) (I max +I min )

Charge is placed on a metallic sphere which is surrounded by air. If the radius of the sphere is 15 cm, how much charge can be placed on the sphere before the air near the sphere suffers electric breakdown? The critical electric field strength that leads to breakdown in air is 3 x 10^6 N/C

Assuming a velocity distribution which is a

parabola having its vertex 12 in from the boundary,

calculate the shear stress at y= 0, 3, 6, 9 and 12 inches.

Fluid’s absolute viscosity is 600 P

What do you understand by intensive and extensive variables of a system? state with reasons which of following variables are intensive and which are extensive ? (i) Number of gas molecules enclosed in a box (ii) density of a gas in a box (iii) wavelength of radiation emitted by a black body at temperature T(iv) intensity of radiation emitted by a black body at temperature T

Define viscosity discuss the effect of temperature and pressure on viscosity a

A metal of length 15.0lm is heated until temperature rise by 60c° If it's New length is 15.05m.calculate The linear expensivity