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A bullet of mass 25.0 g is fired into a wooden block of mass 2.200 kg that is initially at rest. The bullet becomes lodged in the block, and the two slide together on a horizontal floor for a distance of 2.71 m before coming to rest. If the coefficient of friction between the block and the floor is 0.61, what is the speed of the bullet before it impacted the block?
A 1000 kg race car makes three and half laps around a circular race track with a 400m radius in 180 sec at a constant speed. determine the car's linear speed
The plates of a parallel-plates capacitor each have an area of 4.0cm^2 and are seperated by 0.02mm. The plates are charged with 30 uC, How much electrical energy is stored in the capacitor
The current in a series circuit is 22.0 A. When an additional 12.0-? resistor is inserted in series, the current drops to 11.0 A. What is the resistance in the original circuit
Consider a circuit. The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2?
For a particular collision you detect the emitted products and find 15 protons, 2 antiprotons, 6 positrons, and 25 neutral particles. How many electrons are also emitted?
A support strap is attached to the patient's ankle 13.0 from the bottom of his foot. Illustrate what weight is needed to support the leg horizontally?
The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 multiply.gif 10-4 m2. Find the maximum stress that this bone can withstand
A cart mass M moves on a frictionless track. It is attached to a string, which goes over a pulley wheel & has a mass m hanging from it. At t=0 s the cart starts from rest & accelerates. Find the tension in the sting & acceleration of the cart.
A circular conducting loop with a radius of 0.30 m and a small gap filled with a 10.0 ohm resistor is oriented in the xy-plane. what is the magnitude of the current that will be caused to flow in the conductor
The normal airflow over the Rocky Mountains is west to east. The air loses much of its moisture content and is chilled as it climbs the western side of the mountains. What is its temperature at the end of the descent
Determine the magnitude of the emf EMF induced in the loop after exactly time 6.00 s has passed since the circumference of the loop started to reduce.
A sport utility vehicle (SUV) and a sports car travel around the same horizontal curve. The SUV has a static stability factor of 0.74, At what maximum speed can the sports car negotiate the curve without rolling over
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