Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
69 j of work are needed to stretch a spring from 14 m to 29 m from equilibrium what is the value of the spring
when the apollo astronauts were orbiting around the moon at low altitude they detected several mass concentrations
the mass of pluto was not known until 1978 when a moon of pluto was finally discovered how did the discovery of this
two metal disks one with radius r1 255 cm and mass m1 0850 kg and the other with radius r2 490 cm and mass m2 157
two identical 300-ohms wires are laid side by side and soldered together s they touch each other for half of their
a rifle with a weight of 20 n fires a 50-g bullet with a speed of 220 msa find the recoil speed of the rifleb if a
at one time television sets used rabbit-ears antennas such an antenna consists of a pair of metal rods the length of
describe the components in the atom indicate the charge on each of the species and their location indicate the role if
a obtain the wavelength in vacuum for blue light whose frequency is 658 1014 hzblue nmb obtain the wavelength in
a series circuit with a resistor and a capacitor has a time constant of 041 ms the circuit has an impedance of 419 o at
in a 131 t magnetic field directed vertically upward a particle having a charge of magnitude 860 uc and initially
in an rlc series circuit these three elements are connected in series a resistor of 670 a 330-mh inductor and a
an isotope of the element thalium ti-206 undergoes beta decay with a half life of 31 minutes assume you begin with 10
an athlete at the gym holds a 3kg steel ball in his hand his arm is 70 cm long and has a mass of 4kg what is the
a 395 turn circular loop coil 16 cm in diameter is initially aligned so that the axis is perpendicular to the earths
a car is doing a loop-the-loop trick the loop has a radius of4 m asssume that the car is starting with the minimum
a disk of radius r has a uniform surface charge sigma on one side a circular hole of radius r2 is now cut in the center
the k0 particle has a mass of 4977 mevc2 it decays into a p- and p each having mass 1396 mevc2 following the decay of a
we want to model the flow of water in a 15 cm diameter pipe at ms our air blower produces 14 x 10-3 m3s what pipe
a dam holds back water in the dam is a turbine that produces power with an efficiency of 073 the dimension c is 75 ft
a golf ball of mass 0045 kg is hit off the tee at a speed of 49 ms the golf club was in contact with the ball for 47 x
at a given instant an 55 mh inductor stored an energy of 73 microjwhat is the current in the inductor at this
you need a transformer to reduce a voltage of 150 v in the primary circuit to 25 v in the secondary circuit the primary
when a potential difference of 12v is applied to a wire 66m long and 035mm in diameter the result is an electric
a variable capacitor is connected to a battery of voltage v the capacitor initially has a capacitance c0 and charge q0