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Inthe figure below, the pulleys and the cord are massless, all surfaces are frictionless, and the cord does not compress or stretch.
(a) How does the acceleration of block 1 compare with the acceleration of block 2? Report your answer in terms of the ratio . Explain your reasoning.
(b) If the mass of block 1 is 2 kg and the mass of block 2 is 1.5 kg, find the acceleration of block 2.
What is the magnitude of the torque exerted by the entire flagpole at the point of contact with the building.
In 2009, Formula 1 race cars were allowed to use a regenerative braking system that allowed them to store energy from braking and reuse it. What was the angular acceleration of the flywheel
A strip of copper 10 mm wide and 900µm thick is placed in a uniform magnetic field B vec of magnitude 0.30 T, with B vec perpendicular to the strip. A current i = 23 A is then sent during the strip such that a Hall potential dissimilarity V appears a..
If the frequency of oscillation of the wave emitted by an FM radio station is 95.8 MHz, calculate the wave period of vibration
The pressure inside a bottle of champagne is 4.5 atm higher thanthe air pressure outside. What is the frictional force on the cork due to the neck of the bottle
The basket is tied to a rope and it is stopped by a fixed clamp when it is falling down, I know there is initial KE however how come initial work is negative. Is not force and displacement are in the same direction, so work must be positive?
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown, What is the horizontal component of the ball's velocity just before it is caught
A golf ball (m = 46 gram) is struck with a force that makes an angle of 45.2Â degree with the horizontal. calculate what the average force of impact
1) Airplane travelers sometimes note that their cosmetics bottles, toothpaste tube, and other containers have leaked through a flight (when flown in cargo hold- checked baggage) what may cause this? When blood pressure is measured, why should the blo..
Two tiny, spherical water drops, with equal charges of -4.00 x 10-17 C, have a center-to-center separation of 1.4 centimeter. Find the magnitude of electrostatic force acting between them
an object of mass m=3.1g and charge q=+48 is attached to a string, find the magnitude of the electric field and the tension in the string
An FM radio station broadcasts electromagnetic waves at a frequency of 550 kHz. Calculate the wavelength of the waves.
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