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A juggler traveling in a train on level track throws a ball straight up, relative to the train, with a speed of 6.40 m/s. The train has a velocity of 23 m/s due east.
(a) As observed by the juggler, what is the ball's total time of flight?
A 2.00 kg. frictionless block is attached to an ideal spring with force constant 300 n/m. At t=0 the block has velocity -4.0 m/s, what is the position of the block when its speed is 2.5 m/s
a planet has two small satellites in circular orbits around the planet. the first satellite has a period 12 hours and an orbital radius 6*10^7m. what is the orbital radius of the second satellite
q1. starting from rest a basketball rolls from the top of a hill to the bottom getting a translational speed of 7.36
Consider water vapor, H2O, at 26 °C. What percentage of water vapor molecules have a speed within 1 m/s of the most probable speed
A group of hikers hears an echo 5 s after shouting. If the temperature is 16.0°C, how far away is the mountain that reflected the sound wave.
a space vehicle is coasting at a constant velocity of 20.5 ms in the y direction relative to a space station. the pilot
Assume you are a scuba diver preparing for a 30m dive into sea water of density 1025 kg/m3, what volume will be in your lungs at a depth of 15m? at 30m
You have a 85.5-cm-long copper rod with a rectangular cross section of dimensions 5.21 cm by 7.45 cm. You maintain the ends of the rod at 48.7°C and 85.1°C, but otherwise insulate the rod from its environment. Find the heat current through the rod..
calculate the conductance and the resistance of a 10 m length of 14 gauge copper wire which has a diameter of 1.63 mm.
At the bottom, it strikes a block of mass M=2m which is at rest on the horizontal surface. Assume that the transition at the bottom is smooth, determine the speeds of the two blocks after the collision
how many 40w 60lmw flourescent lamps would be needed to provide an illuminance of 250lmm2 on a factory floor of an
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. find the change that has taken place in the momentum of the motorcycle
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