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A certain nuclear power plant is capable of producing 9.0×108 W of electric power. During operation of the reactor, mass is converted to energy. How much mass is converted per hour if the efficiency of the plant is 28 percent?
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
A large balloon of mass 220 kg is filled with helium gas until its volume is 321 m3. Calculate the buoyant force acting on the balloon
8 equal drops of water are falling through air with a steady velocity of 10 cm/s. then the terminal velocity of the big drop is
The drive propeller of a ship starts from rest and accelerates at 3.00 x 10-3 rad/s2 for 2.70 x 103 s. Find the total angular displacement of the propeller
Draw a free body diagram for the block, carefully labeling all forces acting on the block. What is the mass density of the liquid? What will each scale read if block A is pulled up our of the liquid.
A firefighter a distance d from a burning building directs a stream of water from a fire hose at angle ?i above the horizontal, at what height h does the water strike the building
A 25.0kg child plays on a swing having support ropes that are 1.80m long. How fast will she be moving at the bottom of the swing
A positive charge of 4.20 ?C is fixed in place. From a distance of 3.50 cm a particle of mass 6.20 g, How close to the fixed charge does the particle get before it comes to rest and starts traveling away
Two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cm. What is the rotational inertia of the cylinder
A thin film of glass (n = 1.48) floats on a liquid of n = 1.35 and is illuminated by light of ? = 600 nm incident from air above it. Find the minimum thickness of the glass
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.2 s, illustrate what is the average force exerted on the ball by the wall
Science is about collecting data. What kind of data do you think you will collect in Physics 320 class? What kind of data will you collect about heat
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