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A concave mirror and a plane mirror (f = 6.70 cm) are facing each other and are separated by a distance of 20.0 cm. An object is placed 11.0 cm in front of the plane mirror. Consider the light from the object that reflects first from the plane mirror and then from the concave mirror. Find the location of the image that this light produces in the concave mirror. Identify this distance relative to the concave mirror.
A simple magnifying glass can focus sunlight enough to heat up paper or dry grass and start a fire. what is the intensity of the image of the Sun
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a golf club improvised from a tool.
You are given a pair of Hemholtz coils, each with radius R = 12 cm, containing 140 turns of wire in each coil. Calculate the magnetic field produced in the center of the space between the coils
A pail of water is rotated in a vertical circle of radius 1.45 m. What is the minimum speed of the pail at the top of the circle if no water is to spill out
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
A 13 kg dog is standing on the edge of astationary, frictionless turntable of rotational inertia 95kg·m2 and radius 2.05 m.The dog walks once around the turntable. What fraction of a fullcircle does the dog's motion make with respect to the ground?
In discharging a capacitor what percentage of the initial potential remains after one time constant has passed? After two times constants? Three times constants
A 755N diver drops from a board 10m above the water's surface. Find out the diver's speed 5m above the water's surface. Then find the diver's speed just before striking the water.
An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.70 multiply.gif 10-28 kg, what is the speed of the heavier fragment
The rotor in a certain electric motor is a flat, rectangular coil with 81 turns of wire and dimensions 2.57 cm by 4.32 cm. Find the maximum torque acting on the rotor
A rod of mass M and length L is hanging from one end on africtionless axis. What is the maximum height the rod and ball reach after the collision
A uniform 20.0 kg chain 2.00 m long supports a 55.0 kg chandelier in a large public building. Find the tension in the bottom link of the chain
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