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A rock climber throws a small first aid kit to another climber who is higher up the mountain. The initial velocity of the kit is 19 m/s at an angle of 64° above the horizontal. At the instant when the kit is caught, it is traveling horizontally, so its vertical speed is zero. What is the vertical height between the two climbers?
What must be the mass m2 of the hanging block if it is to descend 11.0m in the first 3.00s after the system is released from rest
Two cars leave a stoplight, one 0.5128 s before the other. The second car accelerates with twice the acceleration of the first. What is the ratio of their speeds at that instant
A skier (m = 63.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. Find the skier's total kinetic energy as she reaches the ground
A piece of Nichrome wire has a radius of 5.00 x10-4 m. It is used in a laboratory to make a heater that uses 2.00 102 W of power when connected to a voltage source of 120 V. Ignoring an effect of temperature on resistance, estimate the necessary l..
A horizontal pipe of diameter 0.806 m has a smooth constriction to a section of diameter 0.4836 m. what is the rate at which oil is flowing
White light is shone on a very thin layer of ice (n = 1.31), and above the ice layer, What is the thickness of the ice layer
question1a space vehicle is travelling at 4190 kmh relative to earth when the exhausted rocket motor is disengaged and
The surfer in the photo is catching a wave. Suppose she starts at the top of the wave with a speed of 1.50 m/s, how much work is done by the (non-conservative) force of the wave
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.84 cm high, what is the height of the image on her retina
A potential difference of 81 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the ce..
What is the distance between an object and its real image formed by a thin converging lens with focal length f, if the object distance is p? What is this minimum object-image distance
Bill can throw a ball vertically at a speed 1.4 times faster than Joe can. How many times higher will Bill's ball go than Joe's
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