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A model rocket is constructed with a motor that can supply a total impulse of 36.0 N·s. The mass of the rocket is 0.164 kg. What is the speed that this rocket achieves when it is launched from rest? Neglect the effects of gravity and air resistance.
A metal cube of edge 2 cm is drawn into auniform wire of length 2 m. What is the effective resistance of the combination
A 10.0 O resistor, 10.0 mH inductor and a 110.0 µF capacitor are connected in series with a 50.0 V (rms) source having variable frequency. Find the energy delivered to the circuit during one period
a screen is placed 48.0 cm from a single slit that is illuminated with light of wavelength 682 nm. if the distance
An airplane takes off and flies 240km on a course of 35 degrees north of west, find the displacement from its starting point to its landing point
Explain by how much time is required for the bullet to reach the target? Using the approximate value of g = 10 m/s2, how far does the bullet fall in this time?
A sphere of radius 20 cm and mass 1.8 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10 mlong. Calculate its rotational speed when it reaches the bottom
A 94 g stone is whirled in a horizontal circle on the end of a 73 cm long string. The stone takes 1.10 s to make each complete revolution. Conclude the angle that the string makes with the horizontal.
if a hydroelectric facility is to produce 100 000 hp with an elevation difference of 300 ft, what is a suitable speed (in rpm) if a kaplan turbine, operating at high efficiency, is used
A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, What is the angle of the remaining piece
Consider three containers each at the same temperature and pressure. One holds a classical gas, one holds a gas of bosons, and one holds a gas of fermions. Arrange these containers in order from largest to smallest and explain how you know.
Blue light of frequency 6.5 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons.
Cut a 1 cm cube in dimension along the X, Y, and Z axis 10 times and calculate the volume and surface area at each cut.
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