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You built a circuit consisting of three parallel plate capacitors with capacitances of 2.0 F, 3.0 F, and 5.0 F, respectively, which are connected in parallel. The whole circuit is connected to a 100 V line. What is the (a) total capacitance, (b) charge stored in each capacitor, and (c) potential difference across each capacitor?
An inclined plane as shown in figure 1 is used to raise an object of mass 30 kg. If the plane is
inclined 5° above the horizontal and the coefficient of friction is 0.20, calculate the ideal
mechanical advantage, actual mechanical advantage, and the efficiency of this machine.
If another galaxy is seen at a redshift of 0.5, what redshift would it see us at?
The series combination of five cells, each electromotive force of 1.5 V and internal resistance of 0.5Ω, is connected to an external resistance of 5.0 Ω. Find the (a) total internal resistance, (b) electromotive force of the battery, (c) total resistance of the circuit, (d) current through the external circuit, (e) terminal voltage of the battery, and (f) terminal voltage of a cell.
A galvanometer with a resistance of 15.0Ω gives a full-scale reading for current of 3.0 A. What shunt resistance is needed to convert this into an ammeter with a 30.0 A full-scale reading?
Three resistors with values of 60.0Ω, 30.0Ω, 20.0Ω, respectively, are connected in series to a 110.0 V battery of negligible internal resistance. Draw a circuit diagram and find the (a) equivalent resistance of the combined resistors, (b) current flowing through each resistor,
(c) voltage drop across each resistor, and (d) the power dissipated by each resistor.
a projectile is fired from a point at125m/s so as to strike a point a horizontal distance of 100m and 200m higher than the point of firing neglecting air resistance, calculate (a) the angle with the horizontal, at which the projectile should be fired in order to strike the point in minimum time (b) the time taken by the projectile to strike the point
an arrow leaves a bow at 25m/s (a) what is the maximum range? (b) at what two angles above the the horizontal can it be sent to reach target 50m away?
A point particle of charge 2.5 nC and mass 3.25 x10-^3 is in uniform electric field directed to the right .It is released from rest and moves to the right .After it is travel ed 12.0 cm,it's speed us 25m/s.Find the
a) qork done on the particle
b)change un the electric potential energy of the particle
c) magnitude of the electric field.
Calculate the gravitational force between two objects when they are 0.630m apart. Each object has a mass of 7.00kg.
