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At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. If the total mass of the gondola and occupants is 2,145 kg, what is the maximum allowed braking force? (The answer is a positive braking force, not a negative force).
Two space walkers, one with a mass of 77 kg and the other with a mass of 78 kg, hold on to the ends of a lightweight cable 14.5 m long. how far will the less massive astronaut move
Sheena can row a boat at 2.95 mi/h in still water. She needs to cross a river that is 1.17 mi wide with a current flowing at 1.79 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream.
A cylinder with a piston contains 0.300 moles of oxygen at 2.20×10^5 pa and 340 K . The oxygen may be treated as an ideal gas. Find the internal-energy change during the final cooling
q1. two astronauts each having a mass of 95.0 kg are connected by a 10.0-m rope of negligible mass. they are isolated
Water at a pressure of 4.3 atm at street level flows into an office building at a speed of 0.6 m/s through a pipe 5 cm in diameter. What is the pressure in the top floor pipe
A vector has components of 10.0 units along the x axis and 11.0 units along the y axis. What is the magnitude of the vector
Waves of frequency 198 Hz and amplitude 1.48 cm move along a 21.0 m string that has a mass of 0.046 kg and a tension of 48.0 N
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
In the last seconds of the championship basketball game, a 7 ft center's team is down by 2 points. He must make a 3 point shot to win the game. He is standing on the 3 point shot line.
Water is flowing in a cylindrical pipe of varying circular cross-sectional area, and at all points the water completely fills the pipe. What is the radius of the pipe at this point
What type of car was involved in the hit and run
A typical microwave oven has a power consumption of about 1200 W. Estimate how long it should take to boil a cup of water in the microwave, How does this estimate correspond to everyday experience
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