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Two convex lenses are used together to image objects. Pinky the cat is sitting 30 cm from the first lens, which has a focal length of 10 cm. A second lens, with focal length 5 cm, is positioned 25 cm from the first. what is the magnification of pinky's image through the two lenses?
q1. after being accelerated to a speed of 1.84times105 the particle enters a uniform magnetic field of strength 1.00
A positive charge of 0.800 uC is located in a uniform field of 1.10 x 105 N/C. How close are the two charges
Now, a second resistor R2 of 3.2x10^5 ? is connected in parallel to the existing resistor in the circuit, and a second capacitor C2 = 4.20 µF is connected to the existing capacitor in parallel. What will be the new time constant
A 10 g object moving to the right at 20 cm/s makes an elastic head-on collision with a 15 g object moving in the opposite direction at 30 cm/s. Evaluate what the velocity of each object after collision
An ambulance moving at 37 m/s sounds its siren whose frequency is 500 Hz. What frequency does a person in the car hear as the ambulance approaches the car
A car battery stores about 3.00 MJ of energy. If all this energy were used to generate a uniform electric field of 27.0 kV/m, what volume would it occupy.
A 0.145- kg baseball traveling 36.10 m/s is stopped in 0.143 s by a catcher's mitt. What is the average acceleration of the ball
A person eats a container of yogurt. The Nutritional Facts labelstates that it contains 240 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of thisenergy? At body temperature, the latent heat of vaporizat..
A 1.0- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 5.0- cm radius. How far apart are the masses of the dumbbell
When an electric turntable is first switched on, it accelerates at a constant rate through (+)1.25 revolutions in order to attain its full operating speed of 78.0 rpm.
Find the tension in both pieces of string for the case of zero friction - What static friction coefficient would be required between the 2 kg mass and the table to stop the masses from accelerating?
Suppose the ray, in air with n =1.00, enters a slab with n = 2.34 at a 30.9°angle with respect to the normal, then exits the bottom of the slabinto water, with n = 1.33. At what angle to the normaldoes the ray leave the slab?
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