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Using a refracting telescope, you observe the planet Mars when it is 2.11 × 1011 m from Earth. The diameter of the telescope\'s objective lens is 0.925 m. What is the minimum feature size, in kilometers, on the surface of Mars that your telescope can resolve for you? Use 551 nm for the wavelength of light.
Using a 673-nm wavelength laser, you form the diffraction pattern of a 0.109-mm wide slit on a screen. How far is the screen located from the slit
Calculate the moment of inertia of a skater given the following information. THe 65 kg skater is approximated as a cylinder that has a .110 m radius
During a rain storm, rain comes straight down with a velocity Vi = -15 m/s, find the average force exerted by the rain on the roof during a 3 second time interval
A solid sphere, solid cylinder and hoop all with the same mass M and radius R roll down an incline without slipping. Determine by how much time the sphere beats the cylinder
what orientation of the coil allows current to flow? what happens as you rotate the windings 180 degrees from this
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.02 mT. obtain the radius of the circular path
What tension in Newtons should a 50cm length of string support in order to whirl an attached 2000g stone in a circular path at 5 m/s.
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing
A 63.7-kg canoeist stands in the middle of her canoe. The canoe is 3.9 m long, and the end that is closest to land is 2.5 m from the shore. What is the canoe's mass
You are playing raquetball at the rec center. When you are 10 m away from the wall you hit a ball 26m/s towards the wall at an angle of 30 degrees. How long is the ball in the air before it hits the wall
Three pucks have masses m1=100g, m2=125g, and m3=150g. The pucks with masses m1 and ms move with velocities v1=4.00m/s in the negative-y direction, what is the angular momentum of the system
A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground. what is the average force exerted by the ground on the ball
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