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Two astronauts are 1.0 m apart in theirspaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves. The time it takes for soundwaves to travel at 343 m/s through the air between the astronautsequals the time it takes for the electromagnetic waves to travel tothe earth. How far away from the earth is the spaceship?
A 299 turn solenoid has a radius of 8.00 cm and a length of 22.0 cm. Find the energy stored in it when the current in its windings is 0.495 A
Determine whether the ground state function for the hydrogen atom is an eigenfunction of each of the following operators kinetic energy operator for H atom and potential energy operator for H atom
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. What is the mass of this canister
The length of a table in the laboratory was measured as 182.36 cm, What is the relative uncertainty of the length, What is the uncertainty of the length
A bottle has a mass of 35.00 g whenempty and 98.40 g when filled with water. What is the specific gravity of this other fluid
At the sun's surface, the gravitational force between the sunand a 5.00 kg mass of hot gas has a magnitude of 1370 N, what is the sun's mean radius
An electron with kinetic energy 1.36 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 24.0 cm. Find the frequency of circling
A merry-go-round with moment of inertia of 550 kg m 2 has a boy of mass 45 kg riding in the center of the merry-go-round with an initial angular velocity of 9 revolutions per minute. The boy then travels from the center to the outside rim of the m..
An electric motor rotating a workshop grinding wheel at a rate of 1.13 102 rev/min is switched off. How long does it take for the grinding wheel to stop
A lever is 5.0 m long. The distance from the fulcrum to the weightto be lifted is 1.0 m. how much force must be exerted on the lever
What is the new tension in the slinky? (assume the slinky acts as a spring that obeys Hooke's Law) 6) What is the new mass density of the slinky? 7) What is the new time it takes for a wave pulse to travel down the slinky? 8) If the new wave pu..
A collie drags its bed box across a floor by applying a horizontal force of 3.1 N. find the increase in thermal energy of the bed and floor
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