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The coefficient of linear expansion of gold is 14 x 106 °C. Find the coefficient of linear expansion on Fahrenheit scale.
A duffel bag of mass 15 kg slides down a 35o incline with an acceleration of 1.1 m/s2 as shown. Calculate the normal force exerted by the incline on the bag. Calculate the net force.
A softball of mass 0.220 kg that is moving with a speed of 8.5 m/scollides head- on and elastically with another ball initially atrest. calculate velocity of the target ball after the collision
An elevator is moving upward with a speed of 11 m/s.Three seconds later, the elevator is still moving upward, but its speed has been reduced to 5.0m/s what is the average acceleration of the elevator during the 3.0 s interval
What energy is released (in MeV) during a reaction in which 1.67 x10^-25 kg of material is converted to energy?
Considering the equation for heat transfer through a wall, describe two simple ways to modify ahome to decrease the rate at which heat is lost through the walls.
consider the function fx cosbsqrt of x where b 6.28 cm-0.5.a argue that this wave has crests at x0.1 cm 4cm 9cm and so
Alpha particles of kinetic energy K are scattered either from a gold foil or a silver foil of identical thickness. Find the ratio of the number of particles scattered
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
A 0.05 kilogram ball is thrown straight up into the air with an initial speed of 17 m/s. Obtain the momentum of the ball at its maximum height
What is the total contact force on the log by ropes 1 and 2 combined? (e) First give the magnitude of the N-S component of the combined contact forces of ropes 1 and 2. You have to decide for yourself if this combined component points North or Sou..
A spider hangs from a strand of silk whose radius is5.8x10-6 m.The density of the silk is 1100 kg/m3.When the spider moves, waves travel along the strand of silk at aspeed of 310 m/s. Determine the mass of the spider.
A 44.5 mA current is carried by a uniformly wound air-core solenoid with 435 turns, a 20.0 mm diameter, and 14.5 cm length. Compute the magnetic flux through each turn
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