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What is the linear size of the smallest box in which you can confine an electron if you want to know for certain that the electron's speed is no more than 19 m/s ?
a skier starts from rest at the top of a hill inclined at 10.5 degrees. The hill is 200m long and the coefficient of friction is .075. How far does she slide before coming to a rest
An object is observed moving at 0.60 c when it explodes. In the reference frame of the object, the explosion disburses small fragments equally in all directions at speed 0.20 c. From the reference frame of the observer, the explosion appears to disbu..
Mattwe pulls his little sister sarah in a sled on an icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12m, then determine the work done by matthew?
A spherical concave lens has a focal length of 40 cm, and an object is placed 20 cm from the lens. Draw a ray diagram. (Submit a file with a maximum size of 1 MB.) Estimate the image distance
a sphere of radius r starts from rest and rolls without slipping along a curved surface dropping through a vertical
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.75 m/s, and its maximum acceleration is 7.79 m/s2. How much time elapses betwen an instant when the object's sp..
Two kids are playing a game in which they try to hit a box on the floor with a marble fired from a spring loaded gun that is mounted on a table. Find how far should Rhoda compress the spring to score a direct hit
q1. mary is driving her car at 48 kmh. she approaches an intersection just as the traffic light turns yellow. the
Identical conducting spheres
Determine the mass of a pure sample of a radioactive isotope (atomic mass number 40) with an initial decay rate of 1.7 x 105 s-
A cylindrical capacitor has an outer conductor with a radius of 3.5 mm and an inner conductor with a radius of 2.1 mm. The two conductors are separated by vacuum and the entire capacitor has a length of 2.2m.
a 6-kg bowling ball rooling at 5m/s strikesa stationary 4-kg bowling ball.if ball number one is moving forward at 2m/s after the collision, what is the impluse of the system
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