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Q1. A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B?
Q2. David is driving a steady 28.0 {rm m/s} whilst he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 {rm m/s^2} at the instant while David passes.
How far does Tina drive before passing David?
What is her speed when she passes him?
A surface is infinitesimally close to and surrounds a dipole. The electric flux during the surface must be zero, since the net charge it surrounds is zero. How is it possible for the dipole to have an electric field and be consistent with Gauss' t..
A constant force, F = (4.55, ?3.79, 2.10) N,acts on an object of mass 17.4 kg, What is the total work done by this force
a capacitor is charged up to 6V , then disconnected from the power supply and connected in series with a 0.2mh inductor, determine the numerical value of the capacitance
Suppose you want to make a scale model of a hydrogen atom. For the nucleus you choose a small ball bearing with a radius of 1.7 mm, What would be the radius of the model
A person with a near-point distance of 29 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
A 2.0g metal ball that carries a charge of 10uC is placed into an electric field, what is the electric potential difference between point A and point B
Male mosquitoes in the mood for mating find female mosquitoes of their own species by listening for the characteristic "buzzing" frequency of the female's wing beats.
A ranger in a national park is driving at 59 km/h while a deer jumps onto the road 61 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3 m/s2. What is the maximum reaction time allowed if ..
A beam of neutrons that all have the same energy scatters from the atoms that have a spacing of 9.30×10^?2nm in the surface plane of a crystal
Let%u2019s say you have a 1.0 kg mass at rest, struck by a 2.0 kg mass traveling at -2.0 m/s. What is the velocity of the combined mass
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. What is the temperature of the bottom surface of the kettle
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