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a solid, uniform sphere (r=20 cm, density= 850 kg/m cubed) is attached by a massless cable to the ceiling of a room, but it is also sitting at rest on a kitchen scale. using a free body diagram and newton's laws, find the apparent weight (the reading on the scale) when the cable tension is
a) 150 N and
b) 0 N
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. Compute its steady-state temperature
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. What impulse did the athlete receive from the platform
Racing drivers like to warm up the tyres of their car as soon as possible. One reason is that warm tyres grip the road better but the temperature also affects the pressure of the air into he tyres.
Suppose a tank contains 770 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. The temperature is changed from 293.2 to 295.6 K. What is the increase in the internal energy of the neon?
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun
An 0.82 kg bucket full of water is being swung by a rope in a vertical circle of diameter 2.31 m. Compute the least speed a bucket must be moving so that the water doesn't fall out.
The compound gear to the right is located inside a truck, whose engine rotates the driving gear with a torque of 816 N·m. find the moments of inertia of both the large and small gears
A speed skater moving across frictionless ice at 8.80 hits a 4.20-m-wide patch of rough ice. What is her acceleration on the rough ice
Elucidate in detail the image of the "A" you would see as you look into the balloon with "A" facing you.
What is magnitude of the Coulomb force
State and explain magnetic dipole moment µ of a coil of number of turns N and area A carrying current i
A long, solid insulating cylinder of radius R = 1 mm has a uniform volume charge density and a total linear charge density of Lambda = 3:610^ -9 C/m.
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