Search & Filtering
Two similar charges of 250 static are situated on small spheres 15 cm apart. What is the electric field intensity midway between the spheres? What is the potential at this point?
Three point charges as shown in the accompanying figure are fixed in place in a right triangle. Determine the electric force on the -0.60 µC charge due to the other two charges.
Determine the electric field intensity at a point p midway between two point charges of +2.0×10^-7 c and -2.0×10^-7 c if they are 100 cm apart.
Determine the force between a point charge of -100 μc and +50 μc when they are 200 cm apart in a vacuum.
Calculate the force between the two point charges q1 = 2.25 μc and q2 = 1.50 μc if they are 10 cm apart.
When 25 g of ice at -20°c have absorbed 2500 cal of heat, what os the temperature of the resulting water?
How much heat is required to totally melt 6 kg of aluminum which is at 30 °C.
Determine the amount of heat required to changed 200 g of ice at -5°C to steam at 105°C.
A horizontal arm, capable of rotation about a vertical shaft, carries a mass of 2.5 kg, bolted to it by a 1 cm bolt at a distance of 50 cm from the axis of the shaft. The axis of the bolt is vertical. if the ultimate shearing strength of the bolt is 50 MN/ m 2, at what speed will the bolt snap?
A horizontal arm, capable of rotation about a vertical shaft, carries a mass of 2.5 kg, bolted to it by a 1 cm bolt at a distance of 50 cm from the axis of the shaft. The axis of the bolt is vertical. if the ultimate shearing strength of the bolt is 50 MN/ m 2, at what speed will the bolt snap?
