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A 10.0-kg test rocket is fired vertically from Cape Canaveral. Its fuel gives it a kinetic energy of 1960-J by the time the rocket engine burns all of the fuel. What additional height will the rocket rise?
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
on a sphere with radius a there is an electric charche sigmasigmazerocostheta. determine the electrostatic potential
Reluctant diver Dave is hanging by his fingertips at the high-dive board, a distance of 8m from the water. His friend pries his fingers from the board, How long does it take Dave to reach the water
A piece of Nichrome wire has a radius of 5.2 x 10-4 m. It is used in a laboratory to make a heater that dissipates 3.50×102 W of power when connected to a voltage source of 100 V. Ignoring the effect of temperature on resistance, estimate the necessa..
You sing into a well and find that the well resonates at frequencies of 198 Hz and 234 Hz with no resonances between these two frequencies. What is the frequency of the fundamental mode
A transmission line that has a resistance of 0.5 omh per km of length is used to transmit 200 MW across 300 miles. what should be the transmission voltage
A 25.0 kg child on a 2.00 m long swing is released from rest when the ropes of the swing make an angle of 60.0 degrees with the vertical. determine the childs speed at the lowest position
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree,as well as its height, How far away is the tree?
A 2120 kg car moving east at 10.7 m/s collides with a 3240 kg car moving east. The cars stick together and move east as a unit after the collision at a velocity of 6.48 m/s.
A passenger car traveling down a rough road bounces up and down at 1.3 Hz with a maximum vertical acceleration of 0.20 m/s^2, What is the maximum speed of the oscillation
A slender rod with a length of 0.300m rotates with an angular speed of 9.00 rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
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