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Monochromatic light of wavelength 633 nm falls on a slit. If the angle between the first bright fringes on either side of the central maximum is 35°, estimate the slit width. (*how do you know to multiply by 3/2?)
Ten cars at an intersection are blowing their horns simultaneously, What is the average sound level for each car
A microwave oven generates electromagnectic waves of frequency2.45 GHz. The microwaves enter the oven and are reflected by the walls. Calculate the speed of the micro waves from these data
Figure 28-50 shows a wood cylinder of mass m = 0.246 kg and length L = 0.0755 m, with N = 23.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder.
A bullet with a mas of 10 g and an initial velocity of 800m/s penetrates 5 cm into a fixed block of wood before stopping. The average force on the buller by the wood is? A block of mass 4.25 kg hanging from a light string is struck by a projectile of..
for an arrangement sshown block 1 and block 2 are both the same mass. determine the downward acceleration of block1
a c35 pf parallel plate capacitor has plates of area a402cm2. what is the electric field between its plates when it is
Consider a book of mass 10 kg on a frictionless incline that makes an angle of 40? with the horizontal. Find the acceleration of the book down the incline
A lamp (R = 152 ), anelectric heater (R = 23 ), and a fan(R = 48 ) areconnected in parallel across a 116 V line. What total current is supplied to the circuit?
Determine the maximum height the projectile achieves
Dermatologists often remove small precancerous skin lesions by freezing them quickly with liquid nitrogen, which may have a temperature as low as 78.1 K. What is this temperature on the (a) Celsius and (b) Fahrenheit scales?
If a convex lens with n=1.30 and f=25 cm is immersed in a fluid with an index of refraction that is also 1.30, what is the new focal length of the lens
A 4.5 x 104 kilogram space probe is traveling at a speed of 13000 m/s through deep space. Evaluate what is the final speed of the probe
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