A pole-vaulter approaches the takeoff point at a speed of 9.00 m/s. Assuming that only this speed determines
the height to which he can rise, find the maximum height at which the vaulter can clear the bar. (4.13m)
Find the resistance of a circuit runs with 20 A and 54.2 nV
How much energy is in the elastic potential energy store of a spring with a spring constant of 4 N/m if it is stretched from 1 m to 1.1 m in length?
A 1.65x10-4 F capacitor is used in conjunction with a motor. How much
energy is stored in it when 119 V is supplied?
What is the energy stored in the 1.00x10-5 F capacitor of a heart
defibrillator charged to 9.00x103 V?
Determine the capacitance of a bakelite dielectric capacitor whose plate area
is 1.25x10-4 m2. The plates are separated by 5.0x10-4 m.
A square loop of wire 10.0 cm on a side is in a 1.25 T magnetic field B. What are the maximum and minimum values of flux that can pass through the loop?
the flux is given by eq.2
Determine the amount of charge stored on either plate of a capacitor
(4x10-6 F) when connected across a 12 V battery.
Calculate the voltage of a battery connected to a parallel plate capacitor
with a plate area of 2.00x10-2 m2 and a plate separation of 2.0x10-3 m if
the charge stored is 4.00x10-12 C.
A parallel plate capacitor is constructed of metal plates, each with an
area of 0.20 m2. The capacitance is 7.9x10-9 F. Determine the plate
separation distance.