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A 51.0 kilogram swimmer with an initial speed of 1.28 m/s decides to coast until she comes to rest. If she slows with constant acceleration and stops after coasting 2.20 meter, find what was the magnitude of the force exerted on her by the water?
a beam of light in air is incident on the surface of a slab of fused quartz. part of the beam is transmitted into the
A textbook of mass 1.90kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.150m, What is the tension in the part of the cord attached to the textbook
a charged particle (q=1.6*10^-19C) enters a mass spectrometer with a speed of 2.5*10^6m/s, compute the mass of the charged particle
Elucidate the spacing between peaks
question1a student who weighs 490 n is wearing a backpack that weighs 88 n. the student is standing still on level
To determine the specific heat capacity of lead, you get 500g of lead shot to 100 degrees C and place it in an aluminum calorimeter of mass 250g, what is the specific heat of lead
A single loop of area 0.183 m2 is placed perpendicular to a magnetic field of 0.304 T. What is the angular speed of the loop
The current in a coil changes from 3.1 A to 1.9 A in 0.52 s. what is the self-inductance of the coil
A small, 300 g cart is moving at 1.30 m/s on an air track when it collides with a larger, 4.00 kg cart at rest. What is the speed of the large cart after the collison
Suppose a heat engine takes in 420 J of energy from a hot reservoir and performs 30 J of work in each cycle.
In a certain chemical process, a lab technician supplies 231J of heat to a system. What is the increase in the internal energy of the system
Two optically flat glass plates, L = 16 cm long, are in contact at one end and separated by d = 0.020 mm at the other end. What is the number m of bright fringes which are visible
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