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You are in a hot air balloon (yes, another balloon problem!) rising from the ground at a constant velocity of 2.10 m/s upward. To celebrate the takeoff, you open a bottle of champagne, expelling the cork with a horizontal velocity of 4.40 m/s relative to the balloon. When opened, the bottle is 4.80 m above the ground.
What is the initial speed of the cork, as seen by your friend on the ground?
What is the initial direction of the cork as seen by your friend? Give your answer as an angle relative to the horizontal.
Determine the maximum height of the cork above the ground.
How long does the cork remain in the air?
A 10.0 kg mess kit sliding on a frictionless surface explodes into two 5 kg parts, one moving at 4.5 m/s, due north, What was the original speed of the mess kit
Two particles of equal mass m are at the vertices of the base of an equilateral triangle. What is the mass m' at the third vertex
What law of physics would be violated
A small radio operates on 3.00 V and has a resistance of 15 coulomb. At what rate does the radio use electric energy.
Two long parallel wires are separated by 3.2 mm. The current flowing in one of the wires is twice that in the other wire. what are the values of the two currents
A wire has a mass per unit length of 0.500 g/cm. what is the magnitude and direction of the minimum magnetic field
Evaluate if the ball clears the crossbar, what is its height with respect to the crossbar when it reaches the plane of the crossbar?
An electric dipole has opposite charges of 6.35*10^-15 C seperated by a distance of 0.29mm, Determine magnitude of the torque exerted on the dipole by the electric field.
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire), how much power is dissipated in the cord
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a tightly wound inner core. what is the angular speed of the spool
A 2.28uF capacitor is charged to 1230V and a 7.87uF capacitor is charged to 530V. These capacitors are then disconnected from their batteries, What will be the potential difference across each
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