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Question: A small bag of sand is released from an ascending hot-air balloon whose upward constant velocity is v0 = 1.55 m/s. Knowing that at the time of the release the balloon was 56.3 m above the ground determine the time it takes the bag to reach the ground from the moment of its release.
I know the correct answer for above problem but explain how to get this answer! Thanks.
Consider the following fission reaction (1n)+235U --> 90Kr + 142Ba +4(1n) +6 \(\gamma\) where 90Kr and 142Ba are the initial fission fragments. What is the total energy eventually emitted
A child swings a 0.38-kg ball in a circle on a string that is 1.3 m long. if the ball makes 1.2 rev/s, what is the magnitude of the ball's angular momentum? (Please provide calculations)
In an RLC series circuit the capacitive reactance is 24Ω. If the AC frequency doubles, what will be theresulting capacitive reactance
the 150 turn primary coil of a transformer is connected to a 120 V AC source. Find the current in the primary coil
A simple pendulum has a length of 1.15 m and a mass of 1.25 kg. The amplitude of oscillations of the pendulum is 30.0 cm. Calculate the quantum number for the pendulum.
The drawing shows a baggage carousel at an airport. Your suitcasehas not slid all the way down the slope and is going around at aconstant speed on a circle (r = 10.6 m) as the carousel turns
An empty beer can have a mass of 50 gram, a length of 12 centimeter, and a radius of 3.3 centimeter. Find what is the mass of the shell
What is the force on the bottom of a 36.0 cm tall cylindrical beaker with a diameter o 6.0 cm with water filled to its brim, answers in N.
A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 8.0 cm. If a timer is started when its displacement is a maximum (hence x=8 cm when t =0), what is the displacement of the mass when t = 3.7s?
At 20 C, a steel rod of length 40.000 cm and a brass rod oflength 30.000 cm, both of the same diameter, are placed end to endbetween two rigid supports 70.000 cm apart, How far from its old positioin is the new junction
Illustrates the difference between acceleration and velocity
Decide the magnitude of the electric field at a point midway among a -8.0C and a 8.6C charge 8.0 cm apart. Suppose no other charges are nearby.
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