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A 3.5 cm tall object is 15cm in front of a diverging lens that has -27 cm focal length. Calculate the image position and the image height.
When a 0.045 kg golf ball takes off after being hit, its speed is 37 m/s. How much work is done on the ball by the club
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.884 A) sin [(333 Hz)t]. What is the average power delivered to the light bulb
The magnetic field in a radio wave traveling through air has amplitude 2.5 10-11 T and frequency 2.9 MHz. Find the amplitude and frequency of the electric field
A proton is located at the origin, and a second proton is locatedon the x-axis at x = 5.12 fm (1 fm = 10-15 m). Use conservation of energy to calculate the speed of the alphaparticle at infinity.
An object is thrown up in theair straight up and it takes 10 seconds to reach a maximum height. What is the object's initial speed?
Calculate the eccentricity, e, of a planet's orbit around a central star if the ratio of its gravitational potential energies at the aphelion and at the perihelion is ? = 0.175
A solenoid 10.0 cm in diameter and 65.8 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. What power must be delivered to the solenoid
A 1.50 kg block of wood sits at the edge of a table, 0.782m above the floor. A 0.0105 kg bullet moving horizontally with a speed of 770m/s embeds itself within the block. What horizontal distance does the block cover before hitting the ground.
Two boats are heading away from shore. Boat 1 heads due north at a speed of 2.94 m/s relative to the shore. find the speed of the passenger relative to the shore
The height of the lower part of the container is 2.5-m and the neck contains a column of water 8.50-m high. The total volume of the column of water in the neck is 0.200 m^3. What is the magnitude of the force exerted by the water on the bottom of ..
in bohr model of hydrogen atom the average kinetic energy of the electron in the first excited state is four times the
How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 24°C water in reaching equilibrium, What is the change in entropy due to this heat transfer
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