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On a frictionless horizontal air table, puck A (with mass 0.255 ) is moving toward puck B (with mass 0.369 ), which is initially at rest. After the collision, puck A has velocity 0.115 to the left, and puck B has velocity 0.655 to the right.
A 2.4-kg block is dropped from a height of 5.0 m onto a spring of spring constant 3955 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm.
The energies associated with molecular rotation and vibration are quantized and photons can be emitted or absorbed by molecules making transitions from one rotational or vibrational state to another.
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
The bonds are dated April 1, 2000, and are issued on that date. The discount rate of interest for such bonds on April 1, 2010, is 10%. Illustrate what cash proceeds did Harding Company receive from issuance of the bonds?
A 32.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 21.00 m. Calculate the mechanical energy lost due to friction
Derive the magnitude of the angular momentum vector of the electron in the ground state in tritium.
A sample of ethyl alcohol (C2H5OH) has a density of 806 kg/m3 and a volume of 1.73 x 10-3 m3. Determine the mass (in kg) of a molecule of ethyl alcohol
q1. a 60 m ladder leans against a wall. what is the minimum force of friction essential to prevent the ladder from
At an air show, a jet plane has velocity components v_x = 645km/h and v_y = 415km/h at time 4.00s and v_x = 878{km/h and v_y = 450km/h at time 6.77s. For this time interval, find the direction of its average acceleration
A 19 g bullet is shot into a 5270-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.4 m/s. compute the velocity of the bullet before striking block.
An electron remains in an excited state of an atom for typically 10-8 s. What is the minimum uncertainty in the energy of the state
A coaxial cable consists of a cylindrical metal sheath of radius b=3.5cm surrounding a conducting wire with outer radius a=.6cm
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