By how much will this area (in square decimeters) increase during a hot summer day on the month of May when the temperature is 120.20F?
A block of ice weighs 950 N and was placed on a metal surface that has a coefficient of friction of μ = 0.12. How much friction is present? *
An insulating sphere of radius 4.0 cm has a total charge of 4.0 * 10 ^ - 9 C distributed uniformly over its volume. Find (a) its volume charge density and (b) the potential at its surface.
The critical angle at an air-liquid interface is 50°. Calculate the refractive index of the liquid
A ray of light in air-incident at an angle of 45° on the boundary with water. Calculate the angle of refraction if the relative refractive index of air is 0.55?
A parallel plate capacitor is made up two plates, each having an area of 8.0 x 10 ^-4 m² and separated from each other by 5.0 mm. Half of the space between the plate is filled with glass and other with mica. Find the capacitance of this capacitor.
Given: A = 8.0 x 10^-4m²
d = 5.0 mm = 0.005 m
You are going for a drive, but detour takes you out of the way of your destination. You drive north for 10 miles, turn right and drive east for 5 miles, turn to the north and drive for 3 miles, drive west for 10 miles, and arrive at your destination.
Safawi kicked a ball with an initial speed of 20 ms-1 at 30o angle. If the ball experienced a constant vertical acceleration of -9.81 ms-2, calculate the ball’s maximum height and distance. Explain how soccer player could apply the force of summation theory to optimize his kicks performance.
A flat circular plate of copper has a radius of 0.243m. It's mass is 62kg. Friend the thickness of the plate. [the density of the copper is known to be 8.93g/cm³]
2. An insulated rigid tank contains helium of 1.5 lb at 80°F and 50 psia. A paddle wheel with a power rating of 0.20 hp is operated within the tank for 30 min. Determine the final temperature of the specific heat at constant volume is 0.753 Btu/lbm E. (1 hp =
2545 Btu/hr)