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As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 32 cans of soda which are warm at 87.7°F. Each can has a mass of 402 g and ideally you want the temperature of the drinks to be 38.0°F. If there is no heat lost by the cooler and ignoring any heat lost to the soda containers, how much ice needs to be added to your cooler? (Assume the temperature of the ice is 32.0°F.)
_________lbs
Four particles with masses 4 kg, 2 kg, 4 kg, and 2 kg are associated by rigid rods of negligible mass. The origin is centered on the mass in the lower left corner, and all the particles are located in Quadrant 1. The rectangle is 5 m wide and 4 m ..
The light goes through a second polarizer and exits with an intensity of 225 W/m squared, What is the orientation angle of the second polarizer
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.196 mH and the capacitor has a value of 28.2 pF. Calculate the frequency of the radio station
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. m/s upward (b) Find the height it reaches.
question1a ferryboat transports tourists among three islands. it sails from the first island to the second island 5.98
An air-filled ion chamber is operated at a pressure of 3 atm, find the saturated ion current corresponding to a gamma-ray exposure of 1 mR/h
Now the gymnast (not holding any additional mass) walks directly above the right support. What is the force the left support exerts on the beam
A proton has a mass of 1.67 x 10^-27 kg and a charge of 1.60 x 10^-19 C. What is the gravitational force on a single proton at Earth's surface.
A block of mass 2.50 kg is pushed 2.60 m along a frictionless horizontal table by a constant 20.0 N force directed 25.0° below the horizontal. Determine the work done by the net force on the block
An electron is then fired directly toward the center of the shell, from point P at distance r from the center of the shell (r >> R). What initial speed v0 is needed for the electron to just reach the shell before reversing direction.
The satellite relays a radio signal from a transmitter near the North Pole to a receiver, also near the North Pole. Traveling at the speed of light, how long is the radio wave in transit
A small spherical insulator of mass 8 x 10 kg and change +0.600 micro Coulomb is hung by a tin wire of negligible mass. A charge of -0.900 micro Coulomb is held 0.150 m away the sphere and straight to the right of it, so the wire makes the angle with..
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