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1. Draw FBDs for the following situations:
a) A skydiver beginning her fall
b) A skydiver as her chute opens
c) A skydiver in midair with chute open
d) A book that has been thrown, now sliding across the floor to a stop
2. Is the direction of net force always in the direction of motion? Explain.
3. Find or develop a question in which you are required to draw a free-body diagram and quantitatively determine the net force. Fully solve the question.
What type of optical device does the bandshell act like? Music played in front of the bandshell is clear and audible for a surprising distance in front.
A dipole is located at the origin, and is composed of charged particles with charge +e and -e, separated by a distance 4 10-10 m along the y axis. The +e charge is on the -y axis. Calculate the force on a proton due to this dipole at a location ..
A camel sets out to cross the desert, which is 31.5 km wide in thenorth-south direction. The camel walks at the uniform speed1.38km/hr along a strait line in the direction of 45.6onorth of East (only the camel knows why he chose that particulardire..
What is the Normal force acting on the box from the ramp?
The supersonic aircraft Concorde has a length of 61.6m when sitting on the ground on a typical day when the temperature is 12.0C . The Concorde is primarily made of aluminum
The temperature of a monatomic ideal gas remains constant through a process in which 4410 J of heat flows out of the gas. How much work (including the proper + or - sign) is done on the gas?
A soccer ball is kicked with the initial speed of 10.8 m/s . After 0.720 s it is at its highest point. What was its initial direction of motion
A CD originally at rest reaches an angular speed of 40rad/s in 5.0s. What is the magnitude of its angular acceleration
What is the wavelength of the peak of the blackbody radiation curve for an emitter at temperature 242 K
In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. Find the direction of the balloon's initial velocity
Determine the work done on the crate by each of the four forces that act on the box. Be sure to include the proper plus or minus sign for the work done by each force. Does the crate speed up, slow down, or move with a constant speed?
A 2.71kg block traveling right at 3.46m/s collides with a 5.80kgblock traveling left at 1.93m/s. What is the speed and direction of the 5.80kg block after the collision? Was energy lost or gained in the collision?
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