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Two 22.7 kilogram ice sleds that are located a short distance apart, one directly behind the other. A 3.63 kilogram cat initially standing on one sled jumps to the other one and then back to the first. Both jumps are made at a speed of 3.05 m/s relative to the ice.
(a) Calculate the final speeds of the first sled and
(b) Calculate the final speeds of the second sled?
If the rms speed of the molecules of a quantity of helium at temperature 142 K is the same as the rms speed of neon atoms at a second temperature
Two capacitors (C1 = 6.00 µF and C2 = 11.0 µF) are now connected in series and to a 9.00-V battery, Find the charge on each capacitor
A window in a house is rectangular, with height 49 cm and width 29 cm. What is the force on the window
A 83.55kg woman walked a 5k race in 53.33 minutes. How much power did it take to complete the race
A radio station broadcasts with a frequency of 1000 kHz with apower of 89 kW. How many photons per second does the antenna emit
Compute the voltage between the surface and the axis of a uniformly charged infinite cylinder of radius a
A 1.00 kg duck is flying overhead at 1.50 m/s. When a hunter firesstraight up. The 0.0100Kg bullet is moving 100m/s when it hits duckand stay lodged in the duck's body. What is the speed of the duckand bullet immediately after the hit?
The coefficients of kinetic and static friction between a 1000 lb refrigerator and flor are .4 and .45. when at rest the refrigerator is pushed with a horizontal force of 300 lb. what is the force of friction between the fridge and the floor?
a close grip lat pull downs involves the upper body in this exercise the person pulls the weight of the upper body arms
A laser beam aimed from the earth is swept across the face of the moon. a. If the beam is rotated at an angular velocity of 1.55*10^-3 rad/s , what is the angle of divergence of the laser beam
A baseball player hits a home run into the right field upper deck. The ball lands in a row that is 140 horizontally from home plate and 30.0 above the playing field. Determine the ball's average velocity components
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 30 MW and lasts 2.9 ns. How many photons are emitted in this pulse
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