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A 0.54 cm high object is placed 8.7 cm in front of a diverging lens whose focal length is -7.5 cm. What is the height of the image?
The near point of a naked eye is 32 cm. When an object is placed at the near point and viewed by the naked eye, Determine the angular size of the image
The 60kg cradle A is carrying the 12 kg pipe B at the speed of 8 m/s when it hits the rigid wall. suppose all the impacts are plastic, determine the speed of the pipe immediately after the impacts. Neglect friction.
What is the wavelength of the waves emitted by source? What is the difference in frequency between directly radiated waves and the waves reflected from a whale travelling straight toward the ship at 4.99? Suppose that the ship is at rest in the water..
A test rocket is launched, starting on the ground, from rest, by accelerating it along an incline with constant acceleration "a", what is the position vector when the rocket is at its highest point
The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single waterfall has a height of 807 m. what is the maximum temperature of the water at the bottom of the falls
A hot-air balloon is ascending at the rate of 14 m/s and is 57 m above the ground when a package is dropped over the side. How long does the package take to reach the ground
What is the fraction of the hydrogen atom's mass (11H) that is in the nucleus? The mass of proton is 1.007276 u, and the mass of 11H atom is 1.007825 u.
A 3500 kg block falls vertically through 5 m and then collides with a 400 kg pile, driving it 3.0 cm into bedrock. Assuming that the block-pile collision is completely inelastic, find out the magnitude of the average force on the pile from the bed..
A wire of length L = 15 is bent into a semi circle . If the total charge on the wire is -45nC, determine the electric field at the center point of the semicirlce.
A screen is placed 1.40m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.60cm, What is the distance between the two second-order minima
A wheel released from rest is rotating with constant angular acceleration of 2.2 rad/s2. Through what angle has the wheel turned
A block (mass = 2.4 kg) is hanging from a massless cord that is wrapped around a pulley, Find the angular acceleration of the pulley and the tension in the cord
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