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Solve the all parts of given problem:
Problem: A hot-air balloon is ascending at a rate of 14 m/s at a height of 98 m above the ground when a packet is dropped from it.
Part A: With what speed does the packet reach the ground?
Part B: How much time does the fall take?
I need help to find with what speed the packet reaches the ground.
In the figure below, a nonconducting rod of length L = 7.50 cm has charge -q = -4.68 fC uniformly distributed along its length. What is the linear charge density of the rod?
A luggage handler pulls a 20.0-kg suitcase up a ramp inclined at 24.0° above the horizontal by a force of magnitude 148 N that acts parallel to the ramp. Calculate the work done on the suitcase by the force
An object is placed in front of a concave mirror with a focal length of 37 cm. What is the position of the resulting image if the image is upright
How much work is needed to push a 137- kg packing crate a distance of 2.65 m up an inclined plane that makes an angle of 27 o with the horizontal, when inclined plane is frictionless
An electron moving in the positive x-direction passes through a slit of width ?y = 95.5 nm. What is the minimum uncertainty in the electron's velocity in the y-direction
a 0.55 kg mass sliding on a horizontal frictionless surface is attached to one end of a horizontal spring with k 850
What is the minimum frequency of light needed to free an electron from a neon nucleus when the electron is in its lowest energy level n=1
An energy of 0.1 J is stored in the metal ball on top of a Van de Graaff generator. A spark carrying 1 micro coulomb (10^-6 C) discharges the ball. What was the ball potential relative to ground?
On a very large distant screen, how many totally dark fringes (indicating complete cancellation) will there be, including both sides of the central bright spot
question two students with vibrating 440-hz tuning forks walk away from each other with equal speeds. how fast must
Illustrate what are the nominal and effective interest rates? Also determine the effective interest rate that a typical credit card issuer charges today.
Two resistors are connected in series to a battery with an emf of 12 V. The voltage across the first resistor is 2.9V, Find the resistance of the second resistor
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