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Sirius is a binary star (two stars orbiting their center of gravity) they are separated by 2 light hours (2.3E-4 light years) and are 9 light years from earth (no unit conversion from light years to meters is necessary).
a.) What diameter aperture must we use in the telescope to resolve the red light(700 nm) from the two stars?
In the neighborhood of the origin in the coordinate system x,y,z, there is an electric field E of magnitude 100 statvolts/cm, What magnetic field does this observer report
A bicycle tire pump has a piston with area 0.44 in. If a person exerts a force of 30lbs on the piston while inflating a tire, what pressure does this produce on the air in the pump.
A 90 kg astronaut and a 1600 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.24 m/s directly away from the shuttle.
A projectile is shot from the edge of a cliff h = 105 m above ground level with an initial speed of v0 = 135 m/s at an angle of 37.0Â ° with the horizontal.
Derive the speed of a satellite in a circular orbit of radius R about planet of mass M, show the connection between v and T (orbital period)
A skier traveling 11.0 m/s reaches the foot of a steady upward 19 degree incline and glides 16m up along this slope before coming to rest. compute the average coefficient of friction
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
What is the weight of the displaced amount of water when the boulder is placed inside the tank (measured in N)? The tank had an original volume of water of 5000 L. while the boulder got placed inside the tank, the volume of water rose to 5010.165 ..
A car takes 11 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using equation d = 1/2 at2, what value should you use for a.
A squirrel has x- and y-coordinates ( 1.4m , 3.3m ) at time t1=0 and coordinates ( 4.8m , -0.40m ) at time t2 = 2.7s, Find the magnitude of the average velocity
On an essentially frictionless, horizontal ice rink, a skater moving at 6.0m/s encounters a rough patch, Use the work-energy theorem to find the length of this rough patch.
During the propulsive phase of a dive (pushing off the diving board), the net vertical and horizontal forces were 100 N and -100 N, what was the net angular impulse applied to the body
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