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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?
Find the energy (in joules) of the photon that is emitted when the electron in a hydrogen atom undergoes a transition from the n = 5
the young modulus of a metal wire is 0.17 tpa and its cross-sectional area is .18mm2. the wire is extended by a force
Calculate the angular momentum of the Earth about its own axis, due to its daily rotation. Assume that the Earth is a uniform sphere
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis, Calculate the force of static friction exerted by the carousel on the bag
q1. for a damped oscillator with a mass of 280 g a spring constant 140 nm and a damping coefficient of 74 gs what is
A particle moves from an initial position with coordinates x = -2.0 m, y = +3.0 m, What is the magnitude of the average velocity for this displacement
In fact, it is found that if the heavier mass is given a downward speed of 0.21 m/s, it comes to rest in 6.7 s. What is the average frictional torque acting on the pulley
The plane of a 5.10cm by 9.00cm rectangular loop of wire is parallel to a 0.220T magnetic field, What is the magnetic moment of the loop
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
Small steel ball bearing with a mass of 17 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.39m. Calculate the horizontal distance ball would travel if the same spring we..
where the woman falls down from a great height, and comes to a full stop. For which case is the change in the woman's momentum the largest? For which case is the Impulse the largest?
A migrating bird is initially flying south at 10 m/s. To avoid hitting a high-rise building, What is the bird's average acceleration during this 2 s interval
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