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Problem: A speed skater moving across frictionless ice at 8.3 m/s hits a 5.1 m-wide patch of rough ice. She slows steadily, and then continues on at 6.5 m/s.
Part A: What is her acceleration on the rough ice?
I need help to find her acceleration on the rough ice.
A low friction cart of mass m, traveling at speed v, collides (perfectly) elastically with a cart of triple the mass, initially at rest. What is the result of this collision
A lens with 50-cm focal length produces a real image the same size as the object. How far from the lens is the image
How many revolutions will the car have gone through.
Two long parallel wires carry currents of 3.57 Amp and 4.77 Amp. Evaluate what the separation distance of the wires expressed in millimeters
A 19.00kg lead sphere is hanging from a hook by a thin wire 3.40m long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart
A rifle is aimed horizonatally at a target 50 m away. The bullet hits the target 2.0cm below the aim point. what was the bullets speed as it left the barrel
An electron starts from rest 65.3centimeter from a fixed point charge with Q = -0.132uC. Calculate how fast will the electron be moving when it is very far away
A symmetric concave lens is made of material of refractive index n=1.50 and radii of curvature |r|=20 cm. Determine the image distance and image height by making measurements on your diagram
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
A car driving at 33 m/s is approaching a stoplight. As the stoplight turns red, the driver decides that the car is going too fast to stop at the white line and hits the brakes hard. How fast was the car going when the driver changed the rate of dec..
45 grams of water whose temperature is 30° Celsius are added to a thin glass containing 700 grams of water at 20° Celsius
a fully charged 12.0 volt car battery rated at 850 amp hours is connected to a spotlight rated at 150 watts for 12 volts. what current soed the spot operate on
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