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An 80 kg stuntman jumps from a window of a building situated 30 m above a catching net. Assuming that air resistance exerts a 100 N force on the stuntman as he falls, determine his velocity just before he hits the net.
what is the new force between the objects. if Andromeda contains roughly the same number of stars and attracts the Milky Way with a gravitational force of 2.4*10^30N.
consider two parallel-plate capacitors c1 and c2 that are connected in parallel. the capacitors are identical except
a block 20cm wide by 60 cm long balances (symetrically on a similar block which is fixed to the ground. What is the mass of the upper block
oppositely charged parallel plates are separated by 3.65 mm. a potential difference of 600 v exists between the plates.
An object has a kinetic energy of 317 J and the momentum of magnitude 24.0 kg · m/s.
A hockey stick is swung with the average angular acceleration of 1.5 rad/s2. What is the angular velocity of the stick as it strikes the ball at the end of 0.8 second swing.
Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. To make a direct comparison, Find the magnetic field at the center of the solenoid
A solenoid 2.9 m long has a radius of 0.85 cm and 630 turns. It carries a current I of 2.5 A. What is the approximate magnetic field B on the axis of the solenoid
Consider the following two events: a concert begins in Miami, Florida and 5 seconds later (according to a clock at rest on Earth) a different concert begins in NYC. How much times passes between the two events according to someone at rest on Earth
a stepladder consists of two halves hinged at the top and connected by a tie rod that keeps the two halves from
Monochromatic light of a given wavelength is incident on a metal surface. However, no photoelectrons are emitted. how should the incident light be adjusted
ball 1 with m1= 4.00kg is connected through a mass less rod with ball 2 with m2= 3.00kg. What is the net force on each ball
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