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A camera is supplied with two interchangeable lenses, whose focal lengths are 41.0 and 150.0 mm. A woman whose height is 1.50 m stands 8.20 m in front of the camera. What is the height (including sign) of her image on the image sensor, as produced by
(a) the 41.0-mm lens and
(b) the 150.0-mm lens?
Conside a spherical asteroid (radius 10km and constant mass density 3g/cm^3). The core extends to 3km, Determine the temperature at the center of the asteroid
A 2.00-g charged particle is released from rest in a region that has a uniform electric field = (160 N/C), Determine the charge of the particle
Chef at the infamous Fattening Tower of Pizza tosses the spinning disk of uncooked pizza dough into the air. The disk's diameter increases during the flight, whereas its rotational speed.
When light with a wavelength of 206 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 2.57 x 10-19 J. find the wavelength (in nm) of light that should be used to double the maximum kinetic energy of ..
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
An indestructible bullet 1.85 cm long is fired straight through a board that is 11.10 cm thick. The bullet strikes board with a speed of 455m/s and emerges with a speed of 279m/s. (To simplify, suppose that the bullet accelerates only while the fr..
A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley
A 22.5-kg rock is sliding on a rough, horizontal surface at 9.50 m/s and eventually stops due to friction. What average power is produced by friction as the rock stops
In coming to a stop, a car leaves skid marks 91m long on the highway. Assume a deceleration of 7.5m/s2, compute approximately the speed of the car just before braking.
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
A series circuit consists of a 50.0-Hz ac source, a 50.0-ohm resistor, a 0.500-H inductor, and a 60.0-µF capacitor. What is the voltage amplitude of the source
A thin uniform rod has a length of 0.500m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end, What is the mass of the bug
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