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You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground. (Figure 1) Assume the overhang of the roof is negligible, so that you may assume the edge of the roof is 6.0 m from you and 6.0 m from your friend. From the ground to where the roof begins is 3.0 m. The pitch of the roof is 45 degrees and meets the opposite side of the roof above the center of the house. You and your friend are 18.0 m apart making the width of the house 6.0 m. What minimum speed will allow the ball to clear the roof and at what angle should you throw the ball?
A piece of glass has a temperature of 73.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, determine the specific heat capacity of the liquid
Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20? C undergo an isobaric expansion until the volume has tripled. What is the gas volume after the expansion
a 1.8 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction is applied on the block. what is the work done by the force between the initial position and x = 2.0 m
A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch, What maximum power must the motor provide
What will the resultant force
A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. find the magnitude of the frictional force exerted on the ladder
You are trying to lose weight by working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, What is the magnitude of the force that you exert on the handle
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.111-mm wide slit on a screen. How far is the screen located from the slit
Assuming a mass density of 3.5 g/cm^3 for rock and 1 g/cm^3 for ice, calculate the radius of the rocky core for each of the galilean satellites with complete differentiation
A circular wire loop of radius 11.3 cm carries a current of 3.48 A. What is the magnitude of the torque acting on the loop
The first-order bright fringe is a distance of 4.84 from the center of the central bright fringe. For what wavelength of light would the first-order dark fringe be observed at this similar point on the screen.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
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