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As astronauts travel between the Earth and the moon, their mass remains constant, but their weight diminishes. Assume the Earth and moon are in a fixed position relative to each other and the astronauts travel directly from the Earth to the moon. Determine the minimum weight an astronaut would have. Explain your conclusion.
A 6.0-cm-diameter circle lies in the xz-plane in a region where the electric field is E =(1200i^+1200j^+1200k^)N/C
Four equal charges of +2.5×10-6 C are placed on the corners of one face of a cube of edge length 15.0 cm. A charge of -2.5×10-6 C is placed at the center of the cube. What is the magnitude of the force on the charge at the center of the cube?
A solenoid that has a length equal to 24.6 cm, a radius equal to 0.842 cm, Find the magnetic flux through the solenoid
A proton in the upper atmosphere moves at 8.6×105m/s , perpendicular to Earth's magnetic field, Find the curvature radius of the proton's trajectory
A ball dropped from 50 cm rebounds to a height of 33cm. Find the fraction of the original energy lost
A platinum resistance thermometer has a resistance of 100ohm at 0 deg and the value of alpha is 0.00385. Calculate the temperature
Find the change in momentum of a 1140kg car that increases its speed from 4.5 m/s to 18.0 m/s in a time of 19s while travelin in the same direction
What is true of the net force when 3 or more forces are in a state of equilibrium, and If a force (F) make an angle (theta) with the x-axis, what are the formulas used to the x and y components of this force
a 68.0 kg person throws a 0.0490-kg snowball forward with a ground of 29.0 m/s. What are the velocities of the two people after the snowball is exchanged
The Cosmoclock 21 Ferris wheel in Yokohama City, Japan, has a diameter of 100 m. Find the speed of the passengers when the Ferris wheel is rotating at this rate (in m/s)
A movie camera has a converging lens with a focal length of 80.0 mm. What is the height of the image on the film
A 2.5 kg stone is dropped from a height of 4m. What is its momentum on impact
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