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A person on a rocket traveling at 0.50c (with respect to the Earth) observes a meteor come from behind and pass her at a speed she measures as 0.50c. How fast is the meteor moving with respect to the Earth?
Light of wavelength 5.0*10^-7 m in air is incident normally (perpendicular) on a doubled slit. The distance between the slit is 4.0*10^-4 m, Caculate the line density in slits/mm of the diffraction grating
Two blocks connected by a rope of negligible mass are being dragged by a horizontal force. Suppose F = 65.0 N, m1 = 10.0 kg, m2 = 26.0 kg, evaluate the acceleration of the system
A diver has a vertical velocity of -12 m/s when she is 1.8 m above the water. What was her peak height
Suppose a molecular motor consumes 3 ATP molecules in every step. If this motor has a step size of 5.8 nm, what is the maximum force the motor could exert
A 23.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block if T = 20.56 N
The construction of a flat rectangular roof (5.15 m × 7.44 m) allows it to withstand a maximum net outward force of of 2.33 × 104 N. At what wind speed will this roof blow outward
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
A 100-V rms, 60-Hz source is applied to a load impedance Z. The apparent power entering the load is a 140 VA at a power factor of 0.707 lagging. Calculate the complex power
Laser light of wavelength 633 nm is incident upon two narrow slits separated by 0.15 mm. how far apart are the interference fringes
During a thunderstorm the electric field at a certain point in the earth's atmosphere is 1.11 105 N/C, directed upward, Find the acceleration of a small piece of ice of mass1.08 10-4 g
Calculate the work done on 0.205 mol of methane when it is compressed from 10.0 L to 2.25 L at 25 degree's Celsius, assuming that methane is (a) an ideal gas and (b) a van der Waals gas.
A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
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