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True/ False
1. The Flux of the E-Field is a scalar.T/F?2. If the net charge enclosed by a Gaussian Surface is zero, then byGauss' Law, the E-Field is zero at all points on the surface.T/F?3. The total Electric Flux through a closed surface is independent ofstatic charges outside the surface.T/F?4. The Electric flux through a closed surface wholly within a chargedconductor is zero.T/F?5. It is more dangerous to sit inside a car when lightning strikesthan to stand in the open.T/F?
A penny of mass 3.10 g rests on a small 22.40 g block supported by a spinning disk of radius 11 cm. The coefficients of friction between block and disk are 0.715 (static) and 0.64 (kinetic) while those for the penny and block are 0.564 (static) an..
The temperature of a silver bar rises by 10.0°C when it absorbs 1.23 kJ of energy by heat is 525 grams. determine the specific heat of silver
A person pushes a 17.2-kg shopping cart at a constant velocity for a distance of 24.2 m on a flat horizontal surface. Determine the work done by the pushing force
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. What stopping potential would be observed when using light from a red lamp (?=668.0nm)
a recipe for bread states that the dough must bake for 40 minutes at a temperature of 190degc. the oven you are using
Calculate the net torque about the asle of the wheel assuming that a friction torque of .40m*N opposes the motion. determine its angular acceleration and angular speed
Draw a free body diagram for each block in the system. Find the acceleration of the system and the tensions in the ropes. Coefficient of kinetic friction of 0.3 exists between the two blocks with no other frictional surfaces.
a block on a frictionless horizontal surface is attached to a spring (k=30 N/m). the mass is displaced to the right of equilibrium and released from rest. calculate amplitude of oscillations
A baseball and a bowling ball are both rolled off a level table at the same time. which will hit the ground first
A rubber ball is dropped from a distance of 1.40 m above ground and bounces to 60% of its original height. how long is the ball in contact with the ground
You are working on the analysis of rocks brought back from the Moon, What is the density of the rock
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
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