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A vertical spring has one end attached to the ceiling and a 2.50-kg fish attached to the other one. find how fast the fish is moving after it drops 20.0 cm
A rocket with a mass of 5 x 10^5 kg has a total energy that is 6 times its rest energy. What is the relativistic kinetic energy of the rocket
The energy imparted to an electron as it moves through a potential of magnitude V is eV, where e is the charge on an electron. How do you find theoretical value for the slope of your line
An atom (not a hydrogen atom) absorbs a photon whose associated wavelength is 281 nm, How much net energy (in terms of eV) is absorbed by the atom
An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. After how many minutes does the ice start to melt
A piano wire with mass 2.90g and length 82.0cm is stretched with a tension of 35.0N. Calculate the average power carried by the wave
A 60 power telescope has an eyepiece with a focal length of 10 cm. find the objective focal length
Light strikes a metal surface, causing photoelectric emission. The stopping potential for the ejected electrons is 3.4 V, What is the wavelength of the incident light
A laser beam of power 4.60 W and diameter 2.6 mm is directed upward on the circular face ( diameter of the face < 2.6mm) of a perfecting reflecting cylinder. What is the height h of the cylinder
A spring, with a force constant 5.00x10^2 n/m, is horizontal with one end fixed to a wall and the other end free. How far will the block travel once the spring is released
A person exerts 200 J of work onto a 50 N crate while moving it 2 m. If the crate also undergoes 10 N of friction, the net energy for the crate is what
A ball with v0 = 15 m/s collides with two identical balls which are lined up vertically as in the diagram below. Find the velocities of all three balls after the collision
Block 1, mass m, slides from rest down the inside of a bowl shaped container, starting from a vertical height h. The surface of the container is frictionless. To what vertical height does the combin
A puck of mass 80.0 g and radius 4.30 cm slides along an air table at a speed of 1.50 m/s, What is the Angular Speed about the center of mass
converging lens with a focal length of 6.00cm forms an image of a 5.00mm -tall real object that is to the left of the lens. where are the object images located
An aircraft weighing 902 N is accelerated at 10.8 m/s/s for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
At the beginning of a dive, a diver is in the layout position with an angular velocity of 100°/s and a moment of inertia of 15 kg·m2. What is the diver's moment of inertia in the tuck posi
The distance from the thrower's axis of rotation to the hammer head is 1.2 m. The hammer has a mass of 7 kg. What is the linear (tangential) velocity of the hammer head
A runner's kinematics are being recorded to analyze gait. At a certain moment, the absolute angle of the trunk is 80°, What is the relative hip angle
You are examining a flea with a converging lens that has a focal length of 4.40 cm. If the image of the flea is 8.00 times the size of the flea, how far is the flea from the lens
The dimensions of the picture on a 35.0 mm color slide are x = 24.0 mm by y = 36.0 mm. How far is the slide from the lens
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
The catapult on an aircraft carrier can take an aircraft from 0 to 192 mph in 12 seconds, at which time the aircraft launches
A beam of electrons is incident on two slits separated by a distance of 2.0×10-6 m. Calculate the kinetic energy of the electrons
A 0.178 kg ball is released from rest at the top of a 57.9 m tall building. Calculate the de Broglie wavelength of the ball