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A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 16.7 m/s at an angle of 44.0? above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistance, find the speed of the ball just before it lands.
A pilot is flying an airplane that is used for aeriel surverying to make a map of ground detail of New Jersey. If the scale of the map is to be 1:50,000 and the camera has focal length of 6in
q1. megans mass is 30 kg. she climbs the 4.8 m ladder of a slide and reaches a velocity of 2.8 ms at the bottom of the
A torque of 2.2 N.m is applied to a spherical shell of radius 0.25 m. what is the mass of the disk
A piece of iron is heated to 900?C. What is the median wavelength of its blackbody radiation
A uniform electric field of magnitude 415 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
The free-fall acceleration on the surface of Neptune is about one and one half times that on the surface of the Earth. Find the ratio of their average densities
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0053 cm, By how many Celsius degrees should the rod be cooled
What is the magnitude of the apparent weight of an 80-kg astronaut 5200-km from the center of the Earth's Moon in a space vehicle moving at constant velocity.
A block of mass m = 3.07 kg is attached to a spring (k = 29.3 N/m) by a rope that hangs over a pulley of mass M = 6.14 kg and radius R = 8.81 cm. find the maximum extension of the spring
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.45km below the surface, What's the water pressure at that depth
a starship departs for the triple star system of Alpha/Proxima Centauri which is 4.30 LY from earth. what will be the reading of the clocks back on earth
a 90 ohm resistor has a current of .6A and is connect in series with a 150 ohm resistor. What is the emf of the battery to which the resistors are connected
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