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A 2--tall object is 26 to the left of a lens with a focal length of 13 . A second lens with a focal length of -5 is 37 to the right of the first lens.
Calculate the distance between the image and the second lens.
Calculate the image height.
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 9.47 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest i..
mayan kings and many school sports teams are named for the puma cougar or moutain lion felis concolor the best jumpr
A 12 V battery causes a current of 0.7A through a resistor. How many joules of energy does the battery lose in a minute
the 25g bullet travelling at 350m/s strikes a block of wood. The block of wood exerts an average force of 50,000N opposing the motion of the bullet. How far does the bullet penetrate while stopping.
Determine the tension in each cable if boat has a mass of 490 kg and the angle of each cable is 50 degrees from the horizontal and the boat is being momentarily held at rest. Evaluate this to the tension when the boat is raised and held at rest so th..
A high-speed lifting mechanism supports a 880-kg object with a steel cable that is 39.0 m long and 4.00 cm2 in cross-sectional area. Determine the elongation of the cable
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude 1.9nC, are separated by the distance of 60 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
A wheel having a radius 0.50 m and inertia of 11.7 kg · m2 is rotating freely at 54 rev/min. The wheel can be stopped in 4.0 s by pressing a rag against the rim and exerting a radially inward force of 75 N. Find the effective coefficient of kinetic f..
An elevator (cabin mass 530 kg) is designed for a maximum load of 3100 kg, and to reach a velocity of 2.6 m/s in 3 s. what is the tension the elevator rope has to withstand
an earth satellite moves in a circular orbit 690 km above the earths surface. the period of the motion is 98.4min.a
The latent heat of fusion
The electric field in a cathode ray tube is supposed to accelerateelectrons from 0 to 3.20*107 m/s in a distanceof 3.00 cm. What electric field is required?
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