Speed and direction
Question: A 68.5 kg astronaut is doing a repair on the space station. She throws a 2.25 kg tool away from her at 3.20 m/s. With what speed and direction will she begin to move?
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A boy and a girl are balanced on a massless seesaw. The boy has a mass of 75 kg and the girls mass is 50 kg. If the boy sits 2.0 meters from the pivot point on one side of the seesaw, where must the girl sit on the other side?
Lonely Guy Repair Service recently performed repair services for a customer that totaled $400. Somehow the bill was lost and the company accountant was trying to recreate the bill from memory. This is what was remembered.
A spaceship moving away from Earth at 0.67 c fires a particle beam toward Earth, with speed 0.74 c relative to the ship. At what speed does Earth receive the particles? At what speed does Earth receive the particles?
Carlos Consulting Inc. provides financial consulting and has collected the following data for the next year's budgeted activity for a lead consultant.
A 68.5 kg astronaut is doing a repair on the space station. She throws a 2.25 kg tool away from her at 3.20 m/s. With what speed and direction will she begin to move?
Wayne and Maria file a joint tax return on which they itemize their deductions and report AGI of $50,000. During the year, they incurred $1,500 of medical expenses when Maria broke her leg.
As the bubble rises to the surface, the pressure decreases and the volume of the bubble therefore increases. The temperature of the water is constant. Find the final volume of the bubble if its initial volume is 11.7 cm^3.
Calculate the energy difference between the ("spin up") and ("spin down") levels of a hydrogen atom in the 1 state when it is placed in a 1.60 magnetic field in the negative z-direction.
A 6.5-µF capacitor is connected in series with 4.2 MO resistor, and this combination is connected across an ideal 20-V DC battery. What is the current in the circuit when the capacitor has reached 27% of its maximum charge?
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