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Q. The specific heat of mercury is 138 J/kg Co Determine the latent heat of fusion of mercury using the following calorimeter data: 1 kg of solid Hg at its melting point of -39.0º C is placed in a 0.620 kg aluminium calorimeter with 0.40 kg of water at 12.8 °C; the resulting equilibrium temperature is 5.06°C.
Q. A uniformly charged disk of radius 35cm carries charge with a density of 7.9x 10-3 C/m2. Compute the electric field on the x axis of the disk at (a) 1 cm, (b) 5cm, (c) 30cm, and (d) 100 cm from the center of the disk.
A car is driven 125.0 km west and then 65.0 km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
A particular organ pipe can resonate at 213 Hz, 355 Hz, and 497 Hz, but not at any other frequencies in between. What is the fundamental frequency of pipe.
How do you establish the value of theta
An extension cord made of two wires of diameter 0.129 {rm cm} (no. 16 copper wire) and of length 1.5 m (5 ft) is connected to an electric heater which draws 13.5 A on a 120-{rm V} line. How much power is dissipated in the cord.
what is the magnitude of the net force acting on ball.
Two narrow slits 50 micrometers apart are illuminated with light of wavelength 500 nm . What is an angle of the m=2 bright fringe in radians? in degrees.
A planet moves in an elliptical orbit around the sun. The mass of the sun is Ms. The minimum and maximum distances of the planet from the sun are R1 and R2, in that order.
The components of a simplest clamping circuit.
Assume air resistance is negligible; from what height (in cm) above the compressed spring was the block dropped.
Calculate the speed of block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across capacitor after the dielectric is removed is measured to be 200 V.
What is the magnitude of the normal force that each brake pad applies to the rim . find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
A proton moves perpendicular to a uniform magnetic field, B, at 1.6 multiplied by 107 m/s and experiences an acceleration of 1.8 multiplied by 1013 m/s2 in the positive x direction while its velocity is in the positive z direction. Find out the magni..
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