Physics

A block of mass m1 2.45 kg and a block of mass m2 5.80 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R 0.250 m and mass M 10.0 kg. The fixed, wedge-shaped ramp makes an angle of 0 30.0° as shown in the…

Consider the following figure. (i) (a) Find the equivalent capacitance between points a and b for the group of capacitors connected as shown in the figure if C1=4.00μF,C2=14.00μF, and C3=2.00μF. Your response differs from the correct answer by more than 10%. Double check your calculations. μF (b) If the potential between points a and b…

Consider the circuit shown in the figure, with C1=6.52μF and C2=8.54μFμF μFμC 6.52μF capacitor μC 6.00μF capacitor μC 8.54μF capacitor μC 2.00μF capacitor μC (c) Find the potential difference (in V ) on each capacitor. 6.52μF capacitor V 6.00μF capacitor V 8.54μF capacitor V 2.00 uF capacitor V Answer Capacitor Network Analysis – Series and…

How much energy would it require to heat 20 grams of ice at -20°C to steam at 120°C ? Do the m ,[ice =0.5calgm Answer Thermodynamic Analysis: Ice to Steam Explained Thermodynamic Analysis: From Ice at -20°C to Steam at 120°C This comprehensive analysis walks through the detailed thermodynamic process of converting 20 grams of…

A small, rigid object carries positive and negative 2.00 nC charges. It is oriented so that the positive charge has coordinates (-1.20mm,1.60mm)1.50mm,-1.30mm Cmhat(i)+,Cmhat(j) (b) The object is placed in an electric field vec(E)=(7.80×103(hat(i))-4.90×103(hat(j))) NC.Find the torque acting on the object. N*m—Select— v (c) Find the potential energy of the object-field system when the object is…

Two charges, q1=-11.5nC and q2=28.5nC, are separated by a distance d=3.00cm as shown in the figure. Determine the following. (a) the electric potential (in kV ) at point A kV (b) the electric potential (in kV ) at point B, which is halfway between the charges kV Answer Electric Potential Due to Two Point Charges…

The coil of a large electromagnet has an internal resistance of R = 8.50 R. It is in series with a source of EMF of 80.75 V and a switch. The switch is initially open. At ( t=0 \mathrm{~s} ), the switch is closed. The graph shows the electric current flowing through the coil as…

A magnetic field, directed along the ( z )-axis, varies with time ( T ) as shown in the figure. A planar conducting loop is in the magnetic field. The magnetic field is perpendicular to the plane of the loop. Select the appropriate description for the magnitude of the EMF induced in the loop (EMF-mag)…