Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a cylindrical spaceship of length 400 m and diameter 845 m is traveling in the direction of its cylindrical axis length
part a if a camera with a 55 mm lens is to resolve two objects that are 50 mm from each other and both objects are 35 m
a student drops two metallic objects into a 32 g steel container holding 169 g of water at 29c one object is a 486 g
a box with a total surface area of 111 m2 and a wall thickness of 31 cm is made of an insulating material a 129 w
a child has a temperature of 101f if her total skin area is 18 m2 find the energy loss per second due to radiation
a parallel-plate capacitor with circular plates of radius 65 mm is being discharged by a current of 75 a at what
the output voltage of an ac source is given by v 120 sin 260pt where v is in volts and t is in seconds the source is
an electromagnetic eve has an electric field with a peak value of 150 nc what is the average intensity of the
a coil of wire with a resistance of 045 ohm has a self-inductance of 0083 h if a 30-v battery is connect across the
the distance from earth to the center of our galaxy is about 30000 light years 1 ly 1 light year 947 x 1015 m as
a particle known as a pion lives for a short time before breaking apart into other particles suppose a pion is moving
two boxes are connected by a cord running over a pulley as shown in fig 1 box i of mass 80 kg rest on the top of the
how many half-lives are required for the number of radioactive nuclei to decrease to 1105 of the initial
in a real or imaginary nucleus of 51 x 108a how many protons are in the nucleusb how many neutrons are in the nucleus
a laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glaucoma in which
a laser is used in eye surgery to weld a detached retina back into place the wavelength of the laser beam is 470 nm
in a rutherford scattering experiment each atom in a thin foil can be considered a target with a circular cross section
a car of mass 1540 kg rests on a hydraulic lift with a piston of radius 027 m that is connected to a second piston of
consider an airplane window area 034 m2 if the pressure inside the plane is atmospheric pressure and the pressure
the surface temperature of the sun is about 5800 k taking the suns radius to be 696e8 m calculate the power radiated by
in a mass spectrometer a singly ionized 24mg ion has a mass equal to 3983 10-26 kg and is accelerated through a 260-kv
a circular disk 03 in diameter pivoted about a horizontal axis through its center has a cord wrapped around its rim
cylinder made of red brass k 130 wm degrees c supports a hot reservoir at a temperature of 64o celsius the cylinder
monochromatic light is incident on a metal surface the ejected electrons give rise to a current in a circuit the
a 60-kg runner expends 295 w of power while running a marathon assuming that 100 of the energy is delivered to the