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A car drives over a hilltop that has a radius of curvature 120 m at the top of the hill with a speed of 20.0m/s. What is the normal force felt by the car tires?
A projectile is fired at 34.9° above the horizontal. Any effects due to air resistance are negligible. Calculate the horizontal component of the initial velocity
A 9500 line/cm grating reveals that a beam of light contains three different wavelengths. When the light strikes the grating at normal incidence, What are the wavelengths for each angle
Assume a dampening depth, d, of 30 cm and a period, lambda, of 24 hours (8.64 x 104 sec). Assume a volumetric heat capacity, C, of 0.5 cal/cm °C, find the thermal diffusivity and conductivity
A Carnot engine absorbs 940 J of heat each cycle and provides 380 J of work. How much heat is rejected each cycle
In a mass spectrometer the charged particles have to reach a common specific speed. To do so, they are accelerated with an electric field, determine the direction of the magnetic force
An electron entering Thompson's e/m apparatus has an initial velocity( in the horizontal direction only) of (5.00*10^6)m/s. the magnet used in the apparatus has a strength of 15.0mT. (a.) what electrical field will you need in order to produce zer..
2 long parallel wires carry currents 20 A and 5 A in opposite directions the wires are separted by 20 cm what is the magnetic field between the two wires
determine average net force exerted in the barrel of cannon.
In an experiment on the photoelectric effect, a cessium plate is illuminated with UV light of wavelength 2000 angstroms. The stopping potential is found to be 4.21 volts. What is the work function of the cessium surface?
q1.an green hoop with mass mh 2.4 kg and radius rh 0.14 m hangs from a string that goes over a blue solid disk pulley
Plutonium has a half life of 2.4 × 104 years. How long does it take for 99% of the plutonium to decay, What is the binding energy of the 4He nucleus
A pair of slits, separated by 0.180 mm, is illuminated by light having a wavelength of ? = 612 nm. Express this path difference in terms of the wavelength
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