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A basketball player makes a jump shot. The 0.603 kg ball is released at a height of 2.07 m above the floor with a speed of 7.19 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.18 m/s. What is the work done on the ball by air resistance, a nonconservative force?
What is the maximum torque on a 125 turn square loop of wire 18.0 cm on a side that carries a 46.0 A current in a 1.60 T field
Two long straight wires are carrying current out of this page. Make the plane of this paper the x-y plane, and put one wire at the origin with 5 A., find the force per unit length on that wire
When a-particles with energy of 5MeV are scattered on a thin gold foil, it is found that 10,000 a-particles are scattered at an angle greater than 50o, How many will be scattered between 70o and 80o
A shaving mirror is a concave mirror used to give someone a close up view of their face. how far is the man's face from the mirror
A camera has a lens with a focal length of 22.2 cm. When an object is placed 3.55 meters away is being photographed
In the above problem, if the radius of the circular loop expands to 1.0m in 2 seconds, calculate the EMF and the direction of the current in the loop
A 1050kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes car to bounce on its spring suspension.
A particular radioactive sample undergoes 3.60x10^6 decays/s. What is the activity of the sample in the following in curies
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. a)What is the work function of the surface? b) What is the cutoff frequency for this surface?
100 kg of water is raised to a height of 50m.the water is used to produce electricity.the electricity produced can run three 100w lamps for 1 hour. what is the efficiency?
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 24 m away. what is the height of the image in millimeters on the film
An 8,000 rocket is shot straight up from the Earth's surface with the initial speed of 800 m/s. How high does it go.
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