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Part A A mountain climber jumps a 2.4 -wide crevasse by leaping horizontally with a speed of 7.2 . If the climber's direction of motion on landing is -45, what is the height difference between the two sides of the crevasse?
Part B Where does the climber land? (m) beyond.
This bat hears its own sound plus the sound reflected by the wall. Explain how fast should the bat fly in order to hear a beat frequency of 10.0Hz?
A horizontal pipe contains water at a pressure of 111 kPa flowing with a speed of 1.8.00 m/s. The pipe narrows to one-half its original diameter. What are speed and pressure of the water while the pipe narrows?
Suppose manufactures increase in size of compact disks. By what factor will the moment of inertia increase
What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it, What is the power of one laser pulse
A basketball player makes a jump shot. The 0.606 kg ball is released at a height of 2.18 m above the floor with a speed of 7.26 m/s. What is the work done on the ball by air resistance, a nonconservative force
An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5.0 W
What is minimum important in returning blood to the heart? Negative intrathoracic pressure, valves and veins, the pumping action of skeletal muscles, or the pushing of blood by arterial system.
A mass m is attached to an ideal cord of length L (figure at left). What is the tension in the cord at that moment
A uniform flat rectangular sheet of mass m and side lengths a and b rotates with angular speed ? around a diagonal, What is the upper bound on the torque
compute the coefficient of kinetic friction between block A and the tabletop.
Suppose that the aluminum cup inside a calorimeter has a mass of 48 g and contains 84 g of water. Both the cup and water are initially at a temperature of 5.6 degrees C, what is your best estimate of the specific heat of the aluminum
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