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A braking force is applied to a 300kg motorcycle to reduce its speed to reduce its speed from 20.0m/s to 16.0m/s in 10.0s.a) find the change that has taken place in the momentum of the motorcycleb) the braking force.
A proposed space station includes living quarters in a circular ring 52.0 m in diameter. At what angular speed should the ring rotate
A step-down transformer (turns ratio = 1:8) is used with an electric train to reduce the voltage from the wall receptacle to a value needed to operate the train, What is the current in the primary coil?
a sound wave with a frequenc of 512 hz and a wavelenth of 2.99 m is directed toward the bottom of a lake to measure its
A 2.3 µF capacitor and a 5.3 µF capacitor are connected in parallel across a 320 V potential difference. Calculate the total energy in joules stored in the capacitors
Which object has the higher temperature after being left outside for an entire dark winter night: a metal door knob or a styrofoam pad?
A car of mass 1200kg is heading east at 10m/s. A second car of mass 1500kg is heading west at 20.0m/s. They meet in an elastic collision. What was the initial kinetic energy of the system
Two blocks of masses m1=1 kg and m2 =2 kg are connected by a massless cord passing over a massless, frictionless pulley. what are the accelerations of the two masses with respect to the ground
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. How many food Calories did the person burn during the walk
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
A fish takes the bait and pulls on the line with a force of 2.3N . The fishing reel, which rotates without friction, is a uniform cylinder of radius 0.060m and mass 0.86kg, What is the angular acceleration of the fishing reel
In a physics demonstration, two rubber balls are dropped down a tube towards the ground,with the lighter ball behind, How high does the light ball rise after the two collisions
A 3kg object moving along the positive x direction with a speed of 10m/s exploeds into a 2kg and a 1kg fragments. what is the speed of the 2kg fragment?
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