Calculate how long does the light bulb stay lit

Assignment Help Physics

Reference no: EM13538936

A 1500 kg mass is lowered 200 m and as it is lowered it runs a generator which lights a 100 watt light bulb. Assuming perfect efficiency of this process, how long does the light bulb stay lit?

Reference no: EM13538936

Questions Cloud

Explain synthesize 2-butanol from an aldehyde : Synthesize 2-butanol from an aldehyde and a grignard reagent.Show two possible routes to the product.

Explain the percent yield of elemental sulfur : What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S. 2H2S + SO2---> 2H20 +3S

Explain what is the entropy change for a particle : A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.808 times that of the initial number of microstates

Find how fast will she be moving at bottom of the swing : A 25.0kg child plays on a swing having support ropes that are 1.80m long. How fast will she be moving at the bottom of the swing

Calculate how long does the light bulb stay lit : A 1500 kg mass is lowered 200 m and as it is lowered it runs a generator which lights a 100 watt light bulb.how long does the light bulb stay lit

Explain standard atmospheric pressure : The instruction booklet for your pressure cooker indicates that its highest setting is 13.4 . You know that standard atmospheric pressure is 14.7 , so the booklet must mean 13.4 above atmospheric pressure

What is moment of inertia of the block about rotation axis : A uniform disk of mass Mdisk = 4.7 kg and radius R = 0.22 m has a small block of mass mblock = 2 kg on its rim. It rotates about an axis a distance d = 0.16 m from its center intersecting the disk along the radius on which the block is situated.

What is the speed of the diver : An 82.0 kg skydiver jumps out of a balloon at an altitude of 1 280 m and opens the parachute at an altitude of 190 m. what is the speed of the diver when he lands on the ground

What is the magnitude of the frictional force on the sphere : A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4 m down a q = 28° incline. The sphere has a mass M = 5.2 kg and a radius R = 0.28 m. What is the magnitude of the frictional force on the sphere?

User Account

All Pages