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A car with a total mass of 1.65*103 kg has wheels ofradius 35.0 cm and moment ofinertia 0.760 kg ·m2. Suppose that the wheels were then replaced byoversized wheels of the same shape and made of the same materials, but 49% wider and witha 49% larger radius. By what factor would the rotational energy increase?
A parallel plate capacitor of capacitance C0 has plateof area A with separation d between them. When it isconnected to a battery of voltage V0 it has chargeof magnitude Q0 on its plates.
A 40.0 cm diameter cylinder of helium gas is 70.0 cm long and at 30.0 ^circC. The pressure gauge reads 140 psi. How many helium atoms are in the cylinder.
A 89.0kg skydiver can be modeled as a rectangular "box" with dimensions 24.0cm \times 44.0cm \times 175cm. What is his terminal speed if he falls feet first
A 100-kg streetlight is supported equally by two ropes. One rope pulls up and to the right, 40° above the horizontal; What is the tension in each rope
A solenoid with 1200 turns per meter has a diameter of 5.00 cm. A current I = 2.44 A flows in the clockwise direction (when viewed from location P) in the solenoid. Find the magnitude of the magnetic flux through the loop
resistance to the motion of an automobile consists of road friction which is almost independent of speed and air drag
Helium-neon laser light (632.8nm) is sent through a 0.3nm-wide single slit. What is the width of the central maximum on a screen 1m in back of the slit
A 8.00 kg bullet traveling at 475 m/s embeds itself in a 1.69 kg wooden block at rest on a frictionless surface. Find the amplitude of the subsequent simple harmonic motion
Calculate the magnitude of the electric field at one corner of a square 0.820m on a side if the other three corners are occupied by 6.03×10?6C charges
Particles P and Q areinitially at rest 1.0 m apart. P has a mass of0.10 kg and Q a mass of 0.30kg. P and Q attract eachother with a constant force of 10–2 N. No external forces act on the system.
Point charges of -8.20 micro Coulombs are placed at each corner of a square that is 0.250m on a side. Find the electric potential at the center of a square
Suppose a 32.0 kg child sits 1.37 m to the left of center on the same seesaw as the problem you just solved. A second child sits at the end on the opposite side, Find the normal force acting at the pivot point
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