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Two converging lenses with focal lengths of 40cm and 20cm are 14cm apart. A 3.0cm -tall object is 10cm in front of the 40cm -focal-length lens.
Calculate the image position and image height?
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
A light, rigid rod of length l = 1.00 m joins two particles, with masses m1 = 4.00 kg and m2 = 3.00 kg, at its ends. Determine the angular momentum of the system
suppose a large crate of 300kg is hung from a uniform steel beam of mass 100kg and 2 meters in length. what would be he initial angular acceleration of the beam
Atmospheric pressure is about 1.0 105 Pa on average. What is the downward force of the air on a desktop with surface area 0.1 m2
What is the energy released in this nuclear reaction 47Be + 01n ? 37Li + 11H
q1. a 0.12-kg ball is placed in a shallow wedge with an opening angle of 120deg as shown in the figure. for each
A 1530 kg car is travelling with the speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to the halt in a distance of 40.00 m.
A transverse wave on a string is described by the equation y(x, t) = (2.27 cm) sin[(109 rad/s)t + (13 rad/s)x]. How fast does the wave move along the string
On a spacecraft, two engines fire for a time of 598 s. One gives the craft an acceleration in the x direction of ax = 4.92 m/s^2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2. At the end of the firing period, the c..
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. how much energy could this modified capacitor store
A person exerts a horizontal force of F = 169N in the test apparatus. (h = 0.32m.) Find the horizontal force M that his flexor muscle exerts on his fore arm.
A 2.3 kg box, starting from rest, is pushed up a ramp by a 10 N force parallel to the ramp. The ramp is 2.0 m long and tilted at 17 degrees. How much work does the force do on the system
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