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Two forces are applied to a tree stump to pull it out of the ground. Force A has a magnitude of 2160 newtons and points 33.0° south of east, while force B has a magnitude of 3160 newtons and points due south. Using the component method, find direction of the resultant force A + B that is applied to the stump. Specify the direction with respect to due east.
In an advanced laboratory class a student performs the photoelectric experiment. Ultraviolet light is shone on a particular metal and the stopping potential is measured at the same time. What is Planck's constant based on this measurement
Two railroad freight cars with masses 100 and 150 approach with equal speeds of 0.300, Find the velocity of the heavier car after the collision
After going through a bad break-up with your significant other you end up drinking half a case of beer. The next day you decide the cloud of despair must be fought with exercise. How much longer will it take you to burn off the calories of the bee..
Write down the equation for a transverse sinusoidal wave with an amplitude of 2.5 cm and an angular frequency of 2.90 rad/s that is moving along the positive x-direction with a wave speed that is 5 times as fast as the maximum speed of a point on ..
A uniform 3.0-m plank weighing 150 N is suspended by vertical ropes at either end. determine the tension in the rope holding the left end of the plank
A 1500kg wrecking ball hangs from a 20m -long cable. The ball is pulled back until the cable makes an angle of 17.0° with the vertical. By how much has the gravitational potential energy of the ball changed?
Consider a container insulated from the environment and divided into two sections by a very thin, stiff membrane, In which direction heat energy is transferred
Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, What percentage is the earth's speed around the sun
A light rope is wrapped several times around a large wheel with a radius of .4 m. The wheel rotates in frictionless bearings about a stationary horizontal axis. Calculate the inertia of the wheel
You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 18 m/s2. Determine the total time the rocket is in the air
A 40 g rifle bullet travelling 260 m/s buries itself in a 4.0 kg pendulum hanging on a 3.0 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.
The sound produced by the loudspeaker has a frequency of 12002 Hz and arrives at the microphone via two different paths. The sound travels through the left tube LXM that has a fixed length.
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