physics
posted by bhai .
A body of mass 10 kg is attached to a wire 30 cm long. Area of cross section of the wire is 10 raise to power 6 metre square. It's breaking stress is 4.8×10 raise to power 7 N/metre square. Find maximum angular velocity with which it can be rotated in the horizontal circle?

force=w*length wire
breaking stress*Areawire=w*lengthwire
solve for w
Respond to this Question
Similar Questions

Chemstry
A 4.1089 g piece of aluminum wire with a circular cross section is 42.06 cm long and has density of 2.6989 g/cm3. What is the volume of the wire and the cross sectional area of the wire in cm2? 
mechanics of materials
A metal bar with a crosssectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force responsible for the strain given that the material has a Young's modulus of 15GNm raise to the power 2 A 0.003N … 
Physics
Calculate the resistance of 80 metres of copper wire, with a c.s.a. of 0.5mm2, given its resistivity of 1.72 x 10^6 ohms per metre, Note, the area of the wire must be expressed as a portion of its base unit of measurement, which is … 
physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered … 
physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered … 
physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered … 
Electricity help needed please
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered … 
physics
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 108 Ù·m). The light bulb is plugged into a 120V outlet and draws a current of 2.36 A. If the radius of the tungsten wire is 0.00464 mm, how long … 
Physics
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 108 Ù·m). The light bulb is plugged into a 120V outlet and draws a current of 2.36 A. If the radius of the tungsten wire is 0.00464 mm, how long … 
science
Calculate the resistance of a copper wire cross section area 2*10_2 the resistivity of wire is 1.67*10_ohm metre