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In preparation for this problem, review Conceptual Example 7. From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 9.09 m/s.
(a) What is the acceleration (magnitude and direction) of the pebble during the downward motion?
(b) After 0.640 s, how far beneath the cliff top is the pebble?
A flea's eye having a diameter of 0.003 mm is examined under a microscope. If the microscope has a magnification of 500X, determine the size of the image of the eye
A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 21 m. obtain the magnitude of the acceleration of the car
an electric field as shown in the figure. an electric field of 1000. v/m is directed toward the right. The ball has a mass of 2.00x10^-3 kg, what is the net charge on the ball
If the gas in a container absorbs 293 J of heat, has 106 J of work completed on it and after that does 35 J of work, what is the enhancement in the internal energy of the gas.
Three resistors, 19 ?, 60 ?, and 100 ?, are connected in series, and a 0.45-A current passes through them. find the potential difference across this equivalent resistance
A disc undergoes 30 revolutions as it accelerates uniformly from rest to 5 rev/sec. What's the angular acceleration of the disk
q1. an electric field of 220000 nc points due west at a certain spot. what is the magnitude of the force that acts on a
The stoplight had just changed and a 1900kgCadillac had entered the intersection, heading north at 3.4m/s , How fast was the Volkswagen going just before the impact
The fundamental frequency of an open organ pipe corresponds to the A above middle C (440 Hz on the chromatic musical scale). What is the length of the open pipe
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.20 kg wrench from 3.00 mm above the ground, Express the planet's mass in terms of the earth's mass
question1a cylindrical distribution of charge rho alphasprtr where alpha 2 microcm52 extends from 0 cm to 9.6 cm .
A state highway patrol car radar unit uses a frequency of 8.00×10^9Hz. What frequency difference will the unit detect from a car receding at the speed of 44.50 from a stationary patrol car.
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