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A solid sphere and a solid cylinder of the same mass and radius roll without slipping at the same speed. It is correct to say that the total kinetic energy of the solid sphere is
A) equal to the total kinetic energy of the cylinder.B) less than the total kinetic energy of the cylinder.C) more than the total kinetic energy of the cylinder.D) impossible to compare to the total kinetic energy of the cylinder.
A parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material. The capacitor is connected to a power supply, and a potential difference of 80 V is applied to the plates. With the power supply discon..
If the heat necessary to warm 545 g of water from a temperature of T1 = 25.0 °C to T2 = 81.0 °C, what would be the speed of water
a mass spectrometer is used to examine the isotopes of uranium. ions in the beam emerge from the velocity selector at a
1 the manufacturer of the roto-dyne wheel reports that the mass of the wheels rotating components is 1.41- 0.05 kg.
Imagine a stationary sourceof sound waves. By stationary, we mean that it is not moving with respect to the medium. How fast would you have to move toward the source in order to perceive twice the “actual”frequency? The speed of sound in air is 34..
Find the group velocity of 0.57 MeV protons. Find the phase velocity of 0.57 MeV protons. Find the phase velocity of 0.57 MeV electrons
two speakers are driven by the same oscillator at frequency 420 hz. one speaker is mounted on the ceiling and the
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. Fuzzy has a mass of 1.80 kg and is initially known to be within a pond 1.00 m wide. What is the minimum uncertainty in the duck's speed
Your little sister (mass 25.0 kg) is sitting in her little red wagon (mass 8.35 kg) at rest. Calculate the impulse you imparted to the wagon and its passenger
Your friend's car has broken down, and you volunteer to push it to the nearest repair shop, If the mass of your friend's car is 1050 kg, what is the normal force between the two bumpers
question1an average human body might be considered to have a black surface of area 10m2 and surface temperature is
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