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There are two stable isotopes of the element Lithium. One of them has three neutrons and the other has four. All other isotopes are radioactive withshort half lives. Using the periodic table in the textbook, find the listed mass of lithium, inamu. Then, using this value, calculate the percentage of the two stable isotopes presentin natural lithium.
A cart is propelled over an XY plane. Its initial velocity has components Vx= 8 m/s and Vy= 12 m/s when it goes past (0,0). The time is t=0. what is the displacement at this time
A patient swallows a radiopharmaceutical tagged with phosphorus-32 (3215P), a ? - emitter with a half-life of 14.3 days. What is the total energy deposited in the body during the 5.5 days
question1a man pushes a lawn mower on a level lawn with the force of 200n it 40 percent of this force is directed
The plates of a parallel-plate capacitor have a separation of 3.56 mm , and each has an area of 14.0cm^2. what is the magnitude of the electric field between the plates
A technician wraps wire around a tube of length 37 cm having a diameter of 8.2 cm. what is the self-induced emf in the solenoid
Calculate the verage speed and time lead by the runner using the definition of average speed.
At relatively high temperatures nitrogen and oxygen more readily form a compound according to: N2(g) + O2 2NO(g). Calculate kp given that the initial pressures of nitrogen are 95 atm and 80 atm
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the faster locomotive
An electric heater consumes electrical energy at a rate of P = 200 W when connected to a battery with an emf of 120 V. What is the current in the heater
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of7.1 m/s. Find the fraction of kinetic energy lost in the collision
A human sprinter of mass 65kg starts a run at the maximum possible acceleration, pushing backward against a block set in the track
A cube with side length 1.53m of solid Styrofoam is completely submerged in fresh water such that the top of the Styrofoam block, what is the buoyant force acting upon the Styrofoam block
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