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A group of physics students are conducting an experiment in projectile motion. They want to launch a ball into a bucket that is 8 meter away from their spring loaded launcher. They have hypothesized that by setting their launcher to its long range setting and placing the launcher barrel at a 35o angle that they can consistently hit the bucket when they fire the launcher. Neglect air resistance; Find the time of flight for the ball in their experiment.
A large storage tank, open to the atmosphere at the top and filledwith water, develops a small hole in its side at a point11.0 m below the water level. Determine the speed at which the water leaves the hole
Unpolarized light passes through two polaroid sheets. The axisof the first is vertical, and that of the second is at 25.0° to the vertical. What fraction of the initial light is transmitted
A uniform string of length is 2.5 m and mass 0.01 kg is placed under a tension 10N. What is the frequency of its fundamental mode?
if the surface temperature of the skin is taken to be how much thermal power does the body described in the
ConsideragainFig.1.12.Nowletthe14-kgweighthangfromthemid- dle of the lower arm (20 cm from the fulcrum). Calculate the biceps force and the reaction force at the joint
An object is located 75.0 cm in front of a mirror and on the principle axis. The mirror is concave with a radius of curvature 50.0 cm. State the properties of the image
If the coefficient of static friction is 0.373, and the same ladder makes a 63.0° angle with respect to the horizontal, how far along the length of the ladder can a 66.5-kg painter climb before the ladder begins to slip?
An air spaced parallel plate capacitor has an initial charge of 0.05 uC after being connected to a 10 V battery. Calculate the work done in pulling the plates apart
A radio station broadcasts at a rate of 89.3 million cyces each second. what is the period of this wave and if the wavelength is 3.359 meters, what is the speed of this radio wave
A 50.0 kg snowboarder has an initial velocity of 2.00 m/s at the top of a 26o incline. How far from the bottom of the hill does she stop
a ball of mass 8.0 g with a speed of 20.5 ms strikes a wall at an angle 21.0o and then rebounds with the same speed and
A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.22 m and a mass of 0.009 kg. A uniform magnetic field of magnitude 0.070 T is directed from the ceiling to the floor.
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