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The weight of a body varies inversely with the square of its distance from the center of Earth. Assuming that the radius of Earth is 3960 miles, how much would a man weigh at an altitude of 1 mile above Earth's surface if he weighs 200 pounds on Earth's surface?
A student decides to spend spring break by driving 50miles dues east, then 50miles 30degrees south of east, How far will he drive, and how many vectors must he sum to calculate his displacement
The only two forces acting on a body have magnitudes of 20 Nand 36 N and directions that differ by40°. What is the mass of the body
A .41m copper rod w/ mass .17 kg carries a current of 13A in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field
A ball is thrown upward from the edge of a building that is 100mt all. On its way back down, the ball just misses the building, falling to the ground below. The elapsed time between the throw andthe ball hitting the ground is 6.5 sec.
A pair of cylindrical shoes each having a radius of 1 m and height of 5 cm are designed to allow a person to stand on water without getting their feet wet. What is the largest mass the person can have
What types of lifestyle changes will be brought about by living in a house whose space heating and hot water needs are supplied almost completely by the sun.
A 200.0-kg object is attached via an ideal pulley system to paddle wheels that are submerged in 0.480 kg of glycerin at 20.0 °C in an insulated container as shown. determine the final temperature of the glycerin
A glass flask whose volume is 1000.37cm^3 at 0 degree celsius is completely filled with mercury at this temperature. Compute the coefficient of volume expansion of the glass
A projectile is fired with an initial speed of 69.0m/s at an angle of 42.8 degrees above the horizontal on a long flat firing range
A 60 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 36 kg child. What is the direction of the child's velocity just before the collision
A cubical box 20cm on a side is constructed from 1.5cm -thick concrete panels. What is the air temperature inside the box when the light is on if the surrounding air temperature is 20 ?C
If he struck a ball with the a speed and launch angle that would result in a maximum 120m horizontal range on Earth, how far would it go?
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