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Two equal diverging lenses are separated by 17 centimeter. The focal length of each lens is -8 centimeter. An object is placed 4 centimeter to the left of the lens that is on the left. Find the final image distance relative to lens on the right.
A Dynamics cart with its plunger depressed is placed at a certainheight on a inclined plane at a known angle how can the coefficientof kinetic energy be calculated if the mass, the height, the angleand spring constant are known?
An aluminum rod is 24.0 cm long at 20°C and has a mass of 350 g. If 14,000 J of energy is added to the rod by heat, what is the change in length of the rod
A girl is standing at the edge of a cliff 145 m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed of 6.79 m/s. How long does it take the rock to hit the ground
A hydrogen balloon at Earth's surface has a volume of 6.78 m3 on a day when the temperature is 26.5°C and the pressure is 1.00 x 105 N/m2. The balloon rises and expands as the pressure drops. What would the volume of the same number of moles of hydro..
You are 1.5 m tall and you are standing 2.0 m away from a flat mirror. The Top of the mirror is at the same level as the top of your head. How large is the mirror
Close a door by pushing on the doorknob. Close the door again using approximately the same force but applying it 5 centimeters away from the hinges. Try again by applying the force on the edge of the door in a direction pointing toward the hinges. Su..
Two hikers begin on opposite sides of a circular lake and walk around the lake in the same direction. How far does the faster hiker walk before catching up to the slower one
A 1.5 kg particle-like object moves in a plane with velocity components vx = 40 m/s and vy = 90 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m.
What are the first, second, and third frequencies audible from a 20cm long organ pipe when (1) only one end is open and when (2) both ends are open. The speed of sound through the air inside the organ pipe is 343 m/s. (Hint: if a harmonic does not..
A parallel-plate air capacitor of area A=17.0cm2 and plate separation d=3.40mm is charged by a battery to a voltage 56.0 V. how much additional charge will flow from the battery onto the positive plate
A person with perfect pitch sits on a bus bench listening to the 450{\rm Hz} horn of an approaching car. how fast is the car moving
Most materials will expand when the temperature is increased. The change in size will depend on several factors, including the original size, What is the fractional change in length
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