What is the tension of each of these wires

Assignment Help Physics
Reference no: EM139458

Q1. What would be the equilibrium temperature when a 256 g block of copper at 314 °C is placed in a 140 g aluminium calorimeter cup containing 827 g of water at 11.5 °C?

Q2. A street lamp weighs 145 N. It is supported equally by two wires that form an angle of 120° with each other.

What is the tension of each of these wires?

If the angle between the wires is condensed to 90.0°, what new force does each wire exert?

Reference no: EM139458

Questions Cloud

What is its final temperature : A highway curve with a radius of 555 m is banked properly for the car travelling 150 km/h. If a 1650 kg Porshe 928 S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid.
What is the velocity of ice-skater after she fires the gun : The springs of a 1600 kg car compress 5.0 mm when its 65 kg driver gets into the driver's seat. If the car goes over a bump, what would be frequency of vibrations.
Find out the time of one full oscillation of block : A 238 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 32.5 cm.compute the gravitational potential energy at A relative to B.
Find out the maximum height reached by the ball : An unstretched spring with spring constant 21 N/cm is suspended from the ceiling. A 3.3 kg mass is attached to the spring and let fall. To the nearest tenth of the centimeter, how far does it stretch the spring.
What is the tension of each of these wires : What would be the equilibrium temperature when a 256 g block of copper at 314 °C is placed in a 140 g aluminium calorimeter cup containing 827 g of water at 11.5 °C.
What is the force exerted on the cylinder by an axle : A 12.0 kg bucket of water of is suspended by a rope wrapped around a windlass, which is the solid cylinder 0.500 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center. The bucket is released from rest at t..
Compute the velocity of the bullet before striking block : A 19 g bullet is shot into a 5270-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.4 m/s. compute the velocity of the bullet before striking block.
The puck and octopus slide off together : An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
What is speed of sphere at lowest point : A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..

Reviews

Write a Review

Physics Questions & Answers

  What is momentum of the system

What is momentum of the system immediately after the pack is thrown?

  What is magnitude of the momentum

What is magnitude of the momentum

  What are the directions of electric field

What are the d irections of electric field

  How long did it take the apple to hit newton after falling

How long did it take the apple to hit Newton after falling off? Draw a graph of velocity vs

  What is the ratio of the amplitude

What is the ratio of the amplitude

  What is magnetic flux through the desk surface

What is magnetic flux through the desk surface

  Find out the angular velocity

Find out the angular velocity

  What is an image distance

A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.

  Direction of the surface winds

Direction of the surface winds What is the expected composition

  Will the car hit the barricade

Will the car hit the barricade

  What is a tension of the cable

Two boats start together and race across a 56-km-wide lake and back. Boat A goes across at 52 km/h and returns at 56 km/h. Boat B goes across at 36 km/h, and its crew, realizing how far behind it is getting, returns at 79 km/h. Turnaround times are n..

  Find out the normal force on each

The critical angle for a special type of glass in air is 41.8. The index of refraction for water is 1.33. What is the critical angle if glass is immersed in water.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd