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A circular coil with a radius of 20 cm and containing 60 turns is placed in a uniform magnetic field which makes an angle of 30 degrees with respect to the plane of the coil. The total resistance of the coil is 12 O. If the magnetic field decreases from 1.3 T to 0.5 T in a time of 1.2 s, find the magnitude and direction of the induced current in the coil.
An object with a charge of -4.4?C and a mass of 1.7×10?2kg experiences an upward electric force, If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration
A dielectric-filled parallel-plate capacitor has plate area = 30.0cm^2 , plate separation = 5.00mm and dielectric constant = 5.00. The capacitor is connected to a battery that creates a constant voltage = 10V.
Presume the needle moves 7.5 mm from its highest to its lowest position and it makes 26 stitches in 9.1 s. What is the highest needle speed.
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
A cylindrical copper rod of length 1.2 m and cross-sectional area 4.8 cm2 is insulated to prevent heat loss through its surface, Find the rate at which heat is transferred along the rod
Differences in analysing a roller coaster system as particle and rigid body, such as the assumption(s) made when treating the roller coaster as particle, parameters involved in kinematic and kinetic analysis.
Rhea, one of Saturn's moons, has a radius of 765 km and an acceleration due to gravity of 0.278 m/s2 at its surface. Calculate its mass and average density.
You place an object with an electrical charge of +0.256 C at a point in space, What is the magnitude and direction of the electric field at that point in space
find the speed of the test charge. find the distance the car travels during this time in m.
A 75 kg parachutist descends through a vertical height of 310 m with constant speed. Find the increase in entropy produced by the parachutist, assuming the air temperature is 21°C.
A frog in a hemispherical bowl finds that he just floats without sinking in a fluid whose density is 1.35 g/cm^3. If the bowl has a radius of 6cm and negligible mass, what is the mass of frog.
For the following questions, express your answers in terms of q. (a) How much charge ends up on sphere C? (b) What is the total charge on the three spheres before they are allowed to touch each other? (c) What is the total charge on the three sphe..
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