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In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 375 N and Fg2 = 315 N. A distance of 1.65 m separates the scales. How far from the woman's feet is her center of mass?
q1. a box of mass 32 kg is at rest on a horizontal frictionless surface. a constant horizontal force then acts on the
question1consider mass and a frictionless ramp. the mass is pushednbspupward with some initial velocity. since of
A rotating cylinder about 16 {rm km} long and 7.40 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the same acceleration due to gravity as on Earth.
Four 3.5 kg spheres are located at the corners of a square of side 0.60 m. Calculate the magnitude and direction of the gravitational force
A 11.4-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.1 m/s, find the rotational kinetic energy
a 1200 kg car going 25m/s is brought to stop using its brakes. what is the change in temperature of the brakes and wheels
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
A car accelerates uniformly from rest to a speed of 35.0 mi/h in 9.0 s, find the constant acceleration of the car
The Wall of Death in an amusement park is comprised of a vertical cylinder that can spin around the vertical axis. Find the tangential velocity of the spinning wall
In a 45° - 90° - 45° prism with a ray of light entering and exiting on the long side of the prism after undergoing two total internal reflections. Determine the minimum index of refraction of the prism in order for this to occur
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field.
Suppose you measure the terminal voltage of a 3.260 V lithium cell having an internal resistance of 5.50 by placing a 1.00 kvoltmeter across its terminals, Find the actual terminal voltage to the nearest 0.01 V
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