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An athlete executing a long jump leaves the ground at 28.0 angle and travels 7.80 m a)What was the take off speed? b)If this speed were increased by just 5.0%,how much longer would the jump be?
a highway patrol officer on the ground uses a radar gun to measure the speed of a suspects car to be 60 ms. a patrol
Water is flowing through a pipe with a constriction. The area of the narrow section is one-half the area of the wide section. what is the velocity of the fluid in the narrow section
What is the distance between town and johns present location
Suppose that you want to find the equation for a line that passes through the two points (0,3) and (4,9). What is the slope of this line
Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase blood flow. By what factor must the radius of an artery be increased
A capacitor with an initial potential difference of 144 V is discharged through a resistor when a switch between them is closed at t = 0 s. At t = 10.0 s, What is the time constant of the circuit
In a physics laboratory experiment, a coil with 210 turns enclosing an area of 13cm^2 is rotated from a position, What is the average emf induced in the coil
Ball 1, with a mass of 154g and traveling at 12.8m/s, collides head on with ball 2, which has a mass of 324g and is initially at rest. What is the final velocity of ball 1 if the collision is perfectly elastic
Movers are pushing a 78.0 kg trunk at .710 m/s when they encounter a 2.25 m long stretch of floor where the coefficient of friction is 0.295. If they push by a steady force F= 220N,decide the speed of the trunk at the end of the 2.25m stretch?
A tugboat pulls two barges with a force of 3000N. The water slows each of the boats with a force of 200N (3 total forces of 200N each). what is the accleration of the boats
A 2.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 10.0kg cylindrical pulley shown in the figure below. Find the acceleration of the stone
A machine is designed to perform a given amount of work in a given amount of time. Find the power of the second machine
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