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Atarantula is sitting 4.5m in front of a concave spherical mirror with radius of R =1.4m.
1. Construct a ray diagram to scale showing the object, image and the mirror. Decide graphically the characteristics of the image.
2. If the image is 5.0cm tall, how high is the tarantula?
A 20kg sled, initially at rest, slides down a hill, which is 20m tall. what is the speed of the sled at the bottom of the hill
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A 5.0 kg object is moving to the right at 4 m/s and collides with another object of mass 10 kg moving to the left at 5 m/s. Find the momentum of the combined object
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A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 283.0 Hz. The tuner hears 5.0 beats per second. What was the original frequency of the untuned string
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A solid cylindrical disk has a radius of 0.15 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
A block with mass m1 = 9.4 kg is on an incline with an angle ? = 33.0° with respect to the horizontal. For the first question there is no friction between the incline and the block. When there is no friction, the magnitude of the acceleration of t..
In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. The wire has a length of 2.2 m when it is uncoiled. What current does the wire carry
A motorist is driving at 20m/s when she sees that a traffic light 200 meter ahead has just turned red. Find her speed as she reaches the light at the instant it turns green
A hand exerts a constant horizontal force on a block that isfree to slide on a frictionless surface. The block start from restat point A, and by the time it has travelled a distance to point B,it is travelling with a speed Vb.
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
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