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A physics professor demonstrates the Doppler Effect by tying a 600. Hz sound generator to a 1.00-meter-long rope and whirling it around his head in a horizontal circle at 100 rpm. What are the highest and lowest frequencies heard by a student in the classroom?
An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is 1837 times that of the electron. Assume that all motion, before and after the collision, occursalong the same straight line.
Imagine two blocks before and after colision. Initially the left hand block of mass m1 = 2 kg is moving towards the right at v = 1 m/s. Determine whether the collision is elastic or inelastic
A 4.0 kg shell is shot with an initial velocity of magnitude 20.0 m/s at an angle of 60o with the horizontal, Find how long it takes for the shell to rise to the top of its trajectory
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
A baseball approaches home plate at a speed of 41.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 50.0 m/s straight up. The ball has a mass of 145 g and is..
The power (in watts) dissipated by a resistor is given by P = IV. The resistors used in this experiment are 1 watt resistances i.e. they are capable of dissipating a maximum of 1 watt without overheating. What is the maximum voltage that can be put ..
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
A bale of hay sits on the bed of a trailer. The trailer is starting to accelerate forward, and the bale is slipping toward the back of trailer. What would a force diagram and a free-body diagram look like for the above situation.
is there any difference between the intensive properties of saturated vapor at a given temperature and the vapor of a
With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal, find the grating spacing in nanometers
a square loop of wire of side 3.3 cm carries 3.0 a of current. a uniform magnetic field of magnitude 0.67 t makes an
A bird stands on a dc electric transmission line carrying 2500 A, What is the potential difference between the bird's feet
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